projects/ldc: druntime/src/common/core/thread.d annotate

author	Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date	Tue, 11 Nov 2008 01:52:37 +0100
parents
children

rev	line source
759 d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	1 /**
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	2 * The thread module provides support for thread creation and management.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	3 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	4 * Copyright: Copyright (c) 2005-2008, The D Runtime Project
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	5 * License: BSD Style, see LICENSE
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	6 * Authors: Sean Kelly
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	7 */
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	8 module core.thread;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	9
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	10
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	11 // this should be true for most architectures
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	12 version = StackGrowsDown;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	13
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	14
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	15 ///////////////////////////////////////////////////////////////////////////////
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	16 // Thread and Fiber Exceptions
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	17 ///////////////////////////////////////////////////////////////////////////////
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	18
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	19
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	20 /**
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	21 * Base class for thread exceptions.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	22 */
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	23 class ThreadException : Exception
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	24 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	25 this( string msg )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	26 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	27 super( msg );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	28 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	29 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	30
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	31
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	32 /**
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	33 * Base class for fiber exceptions.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	34 */
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	35 class FiberException : Exception
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	36 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	37 this( string msg )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	38 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	39 super( msg );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	40 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	41 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	42
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	43
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	44 private
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	45 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	46 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	47 // exposed by compiler runtime
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	48 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	49 extern (C) void* rt_stackBottom();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	50 extern (C) void* rt_stackTop();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	51
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	52
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	53 void* getStackBottom()
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	54 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	55 return rt_stackBottom();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	56 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	57
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	58
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	59 void* getStackTop()
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	60 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	61 version( D_InlineAsm_X86 )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	62 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	63 asm
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	64 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	65 naked;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	66 mov EAX, ESP;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	67 ret;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	68 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	69 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	70 else
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	71 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	72 return rt_stackTop();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	73 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	74 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	75 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	76
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	77
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	78 ///////////////////////////////////////////////////////////////////////////////
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	79 // Thread Entry Point and Signal Handlers
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	80 ///////////////////////////////////////////////////////////////////////////////
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	81
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	82
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	83 version( Windows )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	84 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	85 private
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	86 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	87 import stdc.stdint : uintptr_t; // for _beginthreadex decl below
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	88 import sys.windows.windows;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	89
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	90 const DWORD TLS_OUT_OF_INDEXES = 0xFFFFFFFF;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	91
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	92 extern (Windows) alias uint function(void*) btex_fptr;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	93 extern (C) uintptr_t _beginthreadex(void, uint, btex_fptr, void, uint, uint*);
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	94
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	95
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	96 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	97 // entry point for Windows threads
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	98 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	99 extern (Windows) uint thread_entryPoint( void* arg )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	100 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	101 Thread obj = cast(Thread) arg;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	102 assert( obj );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	103 scope( exit ) Thread.remove( obj );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	104
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	105 assert( obj.m_curr is &obj.m_main );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	106 obj.m_main.bstack = getStackBottom();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	107 obj.m_main.tstack = obj.m_main.bstack;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	108 Thread.add( &obj.m_main );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	109 Thread.setThis( obj );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	110
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	111 // NOTE: No GC allocations may occur until the stack pointers have
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	112 // been set and Thread.getThis returns a valid reference to
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	113 // this thread object (this latter condition is not strictly
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	114 // necessary on Win32 but it should be followed for the sake
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	115 // of consistency).
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	116
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	117 // TODO: Consider putting an auto exception object here (using
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	118 // alloca) forOutOfMemoryError plus something to track
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	119 // whether an exception is in-flight?
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	120
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	121 try
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	122 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	123 obj.run();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	124 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	125 catch( Object o )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	126 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	127 obj.m_unhandled = o;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	128 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	129 return 0;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	130 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	131
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	132
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	133 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	134 // copy of the same-named function in phobos.std.thread--it uses the
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	135 // Windows naming convention to be consistent with GetCurrentThreadId
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	136 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	137 HANDLE GetCurrentThreadHandle()
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	138 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	139 const uint DUPLICATE_SAME_ACCESS = 0x00000002;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	140
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	141 HANDLE curr = GetCurrentThread(),
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	142 proc = GetCurrentProcess(),
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	143 hndl;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	144
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	145 DuplicateHandle( proc, curr, proc, &hndl, 0, TRUE, DUPLICATE_SAME_ACCESS );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	146 return hndl;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	147 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	148 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	149 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	150 else version( Posix )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	151 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	152 private
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	153 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	154 import stdc.posix.semaphore;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	155 import stdc.posix.pthread;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	156 import stdc.posix.signal;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	157 import stdc.posix.time;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	158 import stdc.errno;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	159
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	160 extern (C) int getErrno();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	161 version( GNU )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	162 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	163 import gcc.builtins;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	164 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	165
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	166
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	167 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	168 // entry point for POSIX threads
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	169 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	170 extern (C) void* thread_entryPoint( void* arg )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	171 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	172 Thread obj = cast(Thread) arg;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	173 assert( obj );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	174 scope( exit )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	175 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	176 // NOTE: isRunning should be set to false after the thread is
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	177 // removed or a double-removal could occur between this
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	178 // function and thread_suspendAll.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	179 Thread.remove( obj );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	180 obj.m_isRunning = false;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	181 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	182
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	183 static extern (C) void thread_cleanupHandler( void* arg )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	184 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	185 Thread obj = cast(Thread) arg;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	186 assert( obj );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	187
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	188 // NOTE: If the thread terminated abnormally, just set it as
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	189 // not running and let thread_suspendAll remove it from
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	190 // the thread list. This is safer and is consistent
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	191 // with the Windows thread code.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	192 obj.m_isRunning = false;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	193 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	194
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	195 // NOTE: Using void to skip the initialization here relies on
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	196 // knowledge of how pthread_cleanup is implemented. It may
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	197 // not be appropriate for all platforms. However, it does
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	198 // avoid the need to link the pthread module. If any
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	199 // implementation actually requires default initialization
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	200 // then pthread_cleanup should be restructured to maintain
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	201 // the current lack of a link dependency.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	202 pthread_cleanup cleanup = void;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	203 cleanup.push( &thread_cleanupHandler, cast(void*) obj );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	204
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	205 // NOTE: For some reason this does not always work for threads.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	206 //obj.m_main.bstack = getStackBottom();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	207 version( D_InlineAsm_X86 )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	208 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	209 static void* getBasePtr()
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	210 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	211 asm
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	212 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	213 naked;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	214 mov EAX, EBP;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	215 ret;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	216 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	217 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	218
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	219 obj.m_main.bstack = getBasePtr();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	220 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	221 else version( StackGrowsDown )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	222 obj.m_main.bstack = &obj + 1;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	223 else
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	224 obj.m_main.bstack = &obj;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	225 obj.m_main.tstack = obj.m_main.bstack;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	226 assert( obj.m_curr == &obj.m_main );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	227 Thread.add( &obj.m_main );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	228 Thread.setThis( obj );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	229
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	230 // NOTE: No GC allocations may occur until the stack pointers have
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	231 // been set and Thread.getThis returns a valid reference to
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	232 // this thread object (this latter condition is not strictly
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	233 // necessary on Win32 but it should be followed for the sake
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	234 // of consistency).
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	235
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	236 // TODO: Consider putting an auto exception object here (using
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	237 // alloca) forOutOfMemoryError plus something to track
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	238 // whether an exception is in-flight?
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	239
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	240 try
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	241 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	242 obj.run();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	243 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	244 catch( Object o )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	245 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	246 obj.m_unhandled = o;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	247 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	248 return null;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	249 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	250
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	251
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	252 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	253 // used to track the number of suspended threads
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	254 //
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	255 sem_t suspendCount;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	256
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	257
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	258 extern (C) void thread_suspendHandler( int sig )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	259 in
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	260 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	261 assert( sig == SIGUSR1 );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	262 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	263 body
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	264 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	265 version( LDC )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	266 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	267 version(X86)
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	268 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	269 uint eax,ecx,edx,ebx,ebp,esi,edi;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	270 asm
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	271 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	272 mov eax[EBP], EAX ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	273 mov ecx[EBP], ECX ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	274 mov edx[EBP], EDX ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	275 mov ebx[EBP], EBX ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	276 mov ebp[EBP], EBP ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	277 mov esi[EBP], ESI ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	278 mov edi[EBP], EDI ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	279 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	280 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	281 else version (X86_64)
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	282 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	283 ulong rax,rbx,rcx,rdx,rbp,rsi,rdi,rsp,r10,r11,r12,r13,r14,r15;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	284 asm
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	285 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	286 movq rax[RBP], RAX ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	287 movq rbx[RBP], RBX ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	288 movq rcx[RBP], RCX ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	289 movq rdx[RBP], RDX ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	290 movq rbp[RBP], RBP ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	291 movq rsi[RBP], RSI ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	292 movq rdi[RBP], RDI ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	293 movq rsp[RBP], RSP ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	294 movq r10[RBP], R10 ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	295 movq r11[RBP], R11 ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	296 movq r12[RBP], R12 ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	297 movq r13[RBP], R13 ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	298 movq r14[RBP], R14 ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	299 movq r15[RBP], R15 ;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	300 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	301 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	302 else
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	303 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	304 static assert( false, "Architecture not supported." );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	305 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	306 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	307 else version( D_InlineAsm_X86 )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	308 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	309 asm
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	310 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	311 pushad;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	312 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	313 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	314 else version( GNU )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	315 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	316 __builtin_unwind_init();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	317 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	318 else
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	319 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	320 static assert( false, "Architecture not supported." );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	321 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	322
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	323 // NOTE: Since registers are being pushed and popped from the
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	324 // stack, any other stack data used by this function should
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	325 // be gone before the stack cleanup code is called below.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	326 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	327 Thread obj = Thread.getThis();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	328
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	329 // NOTE: The thread reference returned by getThis is set within
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	330 // the thread startup code, so it is possible that this
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	331 // handler may be called before the reference is set. In
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	332 // this case it is safe to simply suspend and not worry
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	333 // about the stack pointers as the thread will not have
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	334 // any references to GC-managed data.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	335 if( obj && !obj.m_lock )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	336 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	337 obj.m_curr.tstack = getStackTop();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	338 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	339
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	340 sigset_t sigres = void;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	341 int status;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	342
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	343 status = sigfillset( &sigres );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	344 assert( status == 0 );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	345
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	346 status = sigdelset( &sigres, SIGUSR2 );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	347 assert( status == 0 );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	348
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	349 status = sem_post( &suspendCount );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	350 assert( status == 0 );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	351
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	352 sigsuspend( &sigres );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	353
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	354 if( obj && !obj.m_lock )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	355 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	356 obj.m_curr.tstack = obj.m_curr.bstack;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	357 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	358 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	359
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	360 version( LDC )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	361 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	362 // nothing to pop
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	363 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	364 else version( D_InlineAsm_X86 )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	365 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	366 asm
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	367 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	368 popad;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	369 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	370 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	371 else version( GNU )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	372 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	373 // registers will be popped automatically
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	374 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	375 else
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	376 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	377 static assert( false, "Architecture not supported." );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	378 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	379 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	380
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	381
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	382 extern (C) void thread_resumeHandler( int sig )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	383 in
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	384 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	385 assert( sig == SIGUSR2 );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	386 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	387 body
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	388 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	389
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	390 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	391 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	392 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	393 else
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	394 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	395 // NOTE: This is the only place threading versions are checked. If a new
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	396 // version is added, the module code will need to be searched for
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	397 // places where version-specific code may be required. This can be
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	398 // easily accomlished by searching for 'Windows' or 'Posix'.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	399 static assert( false, "Unknown threading implementation." );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	400 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	401
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	402
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	403 ///////////////////////////////////////////////////////////////////////////////
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	404 // Thread
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	405 ///////////////////////////////////////////////////////////////////////////////
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	406
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	407
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	408 /**
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	409 * This class encapsulates all threading functionality for the D
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	410 * programming language. As thread manipulation is a required facility
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	411 * for garbage collection, all user threads should derive from this
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	412 * class, and instances of this class should never be explicitly deleted.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	413 * A new thread may be created using either derivation or composition, as
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	414 * in the following example.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	415 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	416 * Example:
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	417 * ----------------------------------------------------------------------------
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	418 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	419 * class DerivedThread : Thread
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	420 * {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	421 * this()
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	422 * {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	423 * super( &run );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	424 * }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	425 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	426 * private :
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	427 * void run()
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	428 * {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	429 * printf( "Derived thread running.\n" );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	430 * }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	431 * }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	432 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	433 * void threadFunc()
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	434 * {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	435 * printf( "Composed thread running.\n" );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	436 * }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	437 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	438 * // create instances of each type
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	439 * Thread derived = new DerivedThread();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	440 * Thread composed = new Thread( &threadFunc );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	441 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	442 * // start both threads
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	443 * derived.start();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	444 * composed.start();
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	445 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	446 * ----------------------------------------------------------------------------
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	447 */
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	448 class Thread
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	449 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	450 ///////////////////////////////////////////////////////////////////////////
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	451 // Initialization
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	452 ///////////////////////////////////////////////////////////////////////////
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	453
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	454
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	455 /**
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	456 * Initializes a thread object which is associated with a static
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	457 * D function.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	458 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	459 * Params:
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	460 * fn = The thread function.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	461 * sz = The stack size for this thread.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	462 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	463 * In:
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	464 * fn must not be null.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	465 */
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	466 this( void function() fn, size_t sz = 0 )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	467 in
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	468 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	469 assert( fn );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	470 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	471 body
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	472 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	473 m_fn = fn;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	474 m_sz = sz;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	475 m_call = Call.FN;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	476 m_curr = &m_main;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	477 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	478
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	479
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	480 /**
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	481 * Initializes a thread object which is associated with a dynamic
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	482 * D function.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	483 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	484 * Params:
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	485 * dg = The thread function.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	486 * sz = The stack size for this thread.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	487 *
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	488 * In:
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	489 * dg must not be null.
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	490 */
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	491 this( void delegate() dg, size_t sz = 0 )
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	492 in
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	493 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	494 assert( dg );
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	495 }
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	496 body
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	497 {
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	498 m_dg = dg;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	499 m_sz = sz;
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	500 m_call = Call.DG;

759

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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1 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2 * The thread module provides support for thread creation and management.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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5 * License: BSD Style, see LICENSE

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

6 * Authors: Sean Kelly

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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7 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

8 module core.thread;

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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9

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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10

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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11 // this should be true for most architectures

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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12 version = StackGrowsDown;

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13

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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14

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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15 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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16 // Thread and Fiber Exceptions

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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17 ///////////////////////////////////////////////////////////////////////////////

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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18

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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19

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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20 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

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21 * Base class for thread exceptions.

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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22 */

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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23 class ThreadException : Exception

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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24 {

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

25 this( string msg )

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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26 {

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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27 super( msg );

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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28 }

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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29 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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30

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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31

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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32 /**

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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33 * Base class for fiber exceptions.

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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34 */

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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35 class FiberException : Exception

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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36 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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37 this( string msg )

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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38 {

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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39 super( msg );

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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40 }

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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41 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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42

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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43

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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44 private

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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45 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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46 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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47 // exposed by compiler runtime

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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48 //

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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49 extern (C) void* rt_stackBottom();

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50 extern (C) void* rt_stackTop();

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51

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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52

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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53 void* getStackBottom()

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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54 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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55 return rt_stackBottom();

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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56 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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57

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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58

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

59 void* getStackTop()

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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60 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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61 version( D_InlineAsm_X86 )

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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62 {

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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63 asm

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

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64 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

65 naked;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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66 mov EAX, ESP;

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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67 ret;

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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68 }

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69 }

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70 else

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71 {

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72 return rt_stackTop();

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73 }

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74 }

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75 }

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76

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77

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78 ///////////////////////////////////////////////////////////////////////////////

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79 // Thread Entry Point and Signal Handlers

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80 ///////////////////////////////////////////////////////////////////////////////

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81

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82

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83 version( Windows )

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84 {

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85 private

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86 {

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87 import stdc.stdint : uintptr_t; // for _beginthreadex decl below

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88 import sys.windows.windows;

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89

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90 const DWORD TLS_OUT_OF_INDEXES = 0xFFFFFFFF;

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91

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92 extern (Windows) alias uint function(void*) btex_fptr;

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93 extern (C) uintptr_t _beginthreadex(void*, uint, btex_fptr, void*, uint, uint*);

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94

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95

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96 //

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97 // entry point for Windows threads

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98 //

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99 extern (Windows) uint thread_entryPoint( void* arg )

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100 {

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101 Thread obj = cast(Thread) arg;

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102 assert( obj );

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103 scope( exit ) Thread.remove( obj );

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104

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105 assert( obj.m_curr is &obj.m_main );

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106 obj.m_main.bstack = getStackBottom();

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107 obj.m_main.tstack = obj.m_main.bstack;

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108 Thread.add( &obj.m_main );

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109 Thread.setThis( obj );

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110

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111 // NOTE: No GC allocations may occur until the stack pointers have

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112 // been set and Thread.getThis returns a valid reference to

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113 // this thread object (this latter condition is not strictly

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114 // necessary on Win32 but it should be followed for the sake

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115 // of consistency).

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116

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117 // TODO: Consider putting an auto exception object here (using

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118 // alloca) forOutOfMemoryError plus something to track

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119 // whether an exception is in-flight?

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120

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121 try

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122 {

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123 obj.run();

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124 }

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125 catch( Object o )

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126 {

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127 obj.m_unhandled = o;

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128 }

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129 return 0;

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130 }

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131

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132

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133 //

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134 // copy of the same-named function in phobos.std.thread--it uses the

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135 // Windows naming convention to be consistent with GetCurrentThreadId

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136 //

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137 HANDLE GetCurrentThreadHandle()

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138 {

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139 const uint DUPLICATE_SAME_ACCESS = 0x00000002;

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140

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141 HANDLE curr = GetCurrentThread(),

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142 proc = GetCurrentProcess(),

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143 hndl;

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144

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145 DuplicateHandle( proc, curr, proc, &hndl, 0, TRUE, DUPLICATE_SAME_ACCESS );

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146 return hndl;

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147 }

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148 }

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149 }

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150 else version( Posix )

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151 {

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152 private

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153 {

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154 import stdc.posix.semaphore;

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155 import stdc.posix.pthread;

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156 import stdc.posix.signal;

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157 import stdc.posix.time;

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158 import stdc.errno;

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159

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160 extern (C) int getErrno();

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161 version( GNU )

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162 {

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163 import gcc.builtins;

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164 }

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165

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166

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167 //

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168 // entry point for POSIX threads

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169 //

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170 extern (C) void* thread_entryPoint( void* arg )

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171 {

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172 Thread obj = cast(Thread) arg;

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173 assert( obj );

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174 scope( exit )

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175 {

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176 // NOTE: isRunning should be set to false after the thread is

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177 // removed or a double-removal could occur between this

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178 // function and thread_suspendAll.

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179 Thread.remove( obj );

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180 obj.m_isRunning = false;

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181 }

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182

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183 static extern (C) void thread_cleanupHandler( void* arg )

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184 {

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185 Thread obj = cast(Thread) arg;

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186 assert( obj );

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187

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188 // NOTE: If the thread terminated abnormally, just set it as

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189 // not running and let thread_suspendAll remove it from

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190 // the thread list. This is safer and is consistent

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191 // with the Windows thread code.

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192 obj.m_isRunning = false;

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193 }

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194

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195 // NOTE: Using void to skip the initialization here relies on

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196 // knowledge of how pthread_cleanup is implemented. It may

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197 // not be appropriate for all platforms. However, it does

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198 // avoid the need to link the pthread module. If any

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199 // implementation actually requires default initialization

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200 // then pthread_cleanup should be restructured to maintain

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201 // the current lack of a link dependency.

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202 pthread_cleanup cleanup = void;

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203 cleanup.push( &thread_cleanupHandler, cast(void*) obj );

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204

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205 // NOTE: For some reason this does not always work for threads.

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206 //obj.m_main.bstack = getStackBottom();

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207 version( D_InlineAsm_X86 )

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208 {

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209 static void* getBasePtr()

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210 {

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211 asm

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212 {

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213 naked;

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214 mov EAX, EBP;

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215 ret;

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216 }

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217 }

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218

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219 obj.m_main.bstack = getBasePtr();

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220 }

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221 else version( StackGrowsDown )

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222 obj.m_main.bstack = &obj + 1;

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223 else

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224 obj.m_main.bstack = &obj;

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225 obj.m_main.tstack = obj.m_main.bstack;

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226 assert( obj.m_curr == &obj.m_main );

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227 Thread.add( &obj.m_main );

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228 Thread.setThis( obj );

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229

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230 // NOTE: No GC allocations may occur until the stack pointers have

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231 // been set and Thread.getThis returns a valid reference to

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232 // this thread object (this latter condition is not strictly

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233 // necessary on Win32 but it should be followed for the sake

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234 // of consistency).

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235

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236 // TODO: Consider putting an auto exception object here (using

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237 // alloca) forOutOfMemoryError plus something to track

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238 // whether an exception is in-flight?

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239

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240 try

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241 {

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242 obj.run();

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243 }

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244 catch( Object o )

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245 {

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246 obj.m_unhandled = o;

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247 }

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248 return null;

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249 }

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250

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251

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252 //

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253 // used to track the number of suspended threads

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254 //

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255 sem_t suspendCount;

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256

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257

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258 extern (C) void thread_suspendHandler( int sig )

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259 in

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260 {

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261 assert( sig == SIGUSR1 );

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262 }

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263 body

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264 {

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265 version( LDC )

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266 {

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267 version(X86)

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268 {

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269 uint eax,ecx,edx,ebx,ebp,esi,edi;

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270 asm

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271 {

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272 mov eax[EBP], EAX ;

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273 mov ecx[EBP], ECX ;

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274 mov edx[EBP], EDX ;

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275 mov ebx[EBP], EBX ;

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276 mov ebp[EBP], EBP ;

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277 mov esi[EBP], ESI ;

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278 mov edi[EBP], EDI ;

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279 }

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280 }

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281 else version (X86_64)

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282 {

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283 ulong rax,rbx,rcx,rdx,rbp,rsi,rdi,rsp,r10,r11,r12,r13,r14,r15;

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284 asm

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285 {

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286 movq rax[RBP], RAX ;

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287 movq rbx[RBP], RBX ;

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288 movq rcx[RBP], RCX ;

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289 movq rdx[RBP], RDX ;

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290 movq rbp[RBP], RBP ;

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291 movq rsi[RBP], RSI ;

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292 movq rdi[RBP], RDI ;

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293 movq rsp[RBP], RSP ;

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294 movq r10[RBP], R10 ;

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295 movq r11[RBP], R11 ;

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296 movq r12[RBP], R12 ;

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297 movq r13[RBP], R13 ;

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298 movq r14[RBP], R14 ;

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299 movq r15[RBP], R15 ;

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300 }

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301 }

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302 else

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303 {

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304 static assert( false, "Architecture not supported." );

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305 }

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306 }

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307 else version( D_InlineAsm_X86 )

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308 {

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309 asm

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310 {

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311 pushad;

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312 }

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313 }

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314 else version( GNU )

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315 {

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diff changeset

316 __builtin_unwind_init();

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317 }

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diff changeset

318 else

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319 {

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diff changeset

320 static assert( false, "Architecture not supported." );

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321 }

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diff changeset

322

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323 // NOTE: Since registers are being pushed and popped from the

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324 // stack, any other stack data used by this function should

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325 // be gone before the stack cleanup code is called below.

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326 {

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327 Thread obj = Thread.getThis();

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328

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329 // NOTE: The thread reference returned by getThis is set within

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330 // the thread startup code, so it is possible that this

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331 // handler may be called before the reference is set. In

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332 // this case it is safe to simply suspend and not worry

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333 // about the stack pointers as the thread will not have

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334 // any references to GC-managed data.

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335 if( obj && !obj.m_lock )

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336 {

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337 obj.m_curr.tstack = getStackTop();

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338 }

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339

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340 sigset_t sigres = void;

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341 int status;

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342

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343 status = sigfillset( &sigres );

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344 assert( status == 0 );

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345

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346 status = sigdelset( &sigres, SIGUSR2 );

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347 assert( status == 0 );

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348

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349 status = sem_post( &suspendCount );

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350 assert( status == 0 );

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351

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352 sigsuspend( &sigres );

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353

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354 if( obj && !obj.m_lock )

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355 {

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356 obj.m_curr.tstack = obj.m_curr.bstack;

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357 }

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358 }

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359

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360 version( LDC )

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361 {

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362 // nothing to pop

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363 }

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364 else version( D_InlineAsm_X86 )

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365 {

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366 asm

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367 {

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368 popad;

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369 }

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370 }

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371 else version( GNU )

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372 {

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373 // registers will be popped automatically

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374 }

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375 else

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376 {

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377 static assert( false, "Architecture not supported." );

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378 }

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379 }

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380

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381

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382 extern (C) void thread_resumeHandler( int sig )

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383 in

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384 {

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385 assert( sig == SIGUSR2 );

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386 }

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387 body

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388 {

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389

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390 }

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391 }

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392 }

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393 else

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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394 {

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395 // NOTE: This is the only place threading versions are checked. If a new

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396 // version is added, the module code will need to be searched for

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397 // places where version-specific code may be required. This can be

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398 // easily accomlished by searching for 'Windows' or 'Posix'.

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diff changeset

399 static assert( false, "Unknown threading implementation." );

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400 }

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401

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

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diff changeset

402

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403 ///////////////////////////////////////////////////////////////////////////////

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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404 // Thread

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

405 ///////////////////////////////////////////////////////////////////////////////

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diff changeset

406

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

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diff changeset

407

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408 /**

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409 * This class encapsulates all threading functionality for the D

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

410 * programming language. As thread manipulation is a required facility

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diff changeset

411 * for garbage collection, all user threads should derive from this

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412 * class, and instances of this class should never be explicitly deleted.

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413 * A new thread may be created using either derivation or composition, as

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414 * in the following example.

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415 *

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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416 * Example:

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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417 * ----------------------------------------------------------------------------

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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418 *

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419 * class DerivedThread : Thread

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420 * {

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421 * this()

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

422 * {

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423 * super( &run );

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424 * }

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

425 *

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

426 * private :

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

427 * void run()

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

428 * {

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429 * printf( "Derived thread running.\n" );

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430 * }

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diff changeset

431 * }

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

432 *

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

433 * void threadFunc()

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diff changeset

434 * {

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diff changeset

435 * printf( "Composed thread running.\n" );

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parents:

diff changeset

436 * }

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

437 *

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

438 * // create instances of each type

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

439 * Thread derived = new DerivedThread();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

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diff changeset

440 * Thread composed = new Thread( &threadFunc );

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diff changeset

441 *

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

442 * // start both threads

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

443 * derived.start();

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

444 * composed.start();

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

445 *

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

446 * ----------------------------------------------------------------------------

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

447 */

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

448 class Thread

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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449 {

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diff changeset

450 ///////////////////////////////////////////////////////////////////////////

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diff changeset

451 // Initialization

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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

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diff changeset

452 ///////////////////////////////////////////////////////////////////////////

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parents:

diff changeset

453

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

454

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

455 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

456 * Initializes a thread object which is associated with a static

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

457 * D function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

458 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

459 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

460 * fn = The thread function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

461 * sz = The stack size for this thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

462 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

463 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

464 * fn must not be null.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

465 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

466 this( void function() fn, size_t sz = 0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

467 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

468 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

469 assert( fn );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

470 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

471 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

472 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

473 m_fn = fn;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

474 m_sz = sz;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

475 m_call = Call.FN;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

476 m_curr = &m_main;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

477 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

478

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

479

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

480 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

481 * Initializes a thread object which is associated with a dynamic

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

482 * D function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

483 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

484 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

485 * dg = The thread function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

486 * sz = The stack size for this thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

487 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

488 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

489 * dg must not be null.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

490 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

491 this( void delegate() dg, size_t sz = 0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

492 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

493 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

494 assert( dg );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

495 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

496 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

497 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

498 m_dg = dg;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

499 m_sz = sz;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

500 m_call = Call.DG;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

501 m_curr = &m_main;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

502 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

503

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

504

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

505 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

506 * Cleans up any remaining resources used by this object.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

507 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

508 ~this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

509 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

510 if( m_addr == m_addr.init )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

511 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

512 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

513 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

514

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

515 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

516 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

517 m_addr = m_addr.init;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

518 CloseHandle( m_hndl );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

519 m_hndl = m_hndl.init;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

520 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

521 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

522 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

523 pthread_detach( m_addr );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

524 m_addr = m_addr.init;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

525 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

526 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

527

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

528

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

529 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

530 // General Actions

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

531 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

532

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

533

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

534 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

535 * Starts the thread and invokes the function or delegate passed upon

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

536 * construction.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

537 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

538 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

539 * This routine may only be called once per thread instance.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

540 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

541 * Throws:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

542 * ThreadException if the thread fails to start.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

543 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

544 final void start()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

545 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

546 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

547 assert( !next && !prev );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

548 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

549 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

550 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

551 version( Win32 ) {} else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

552 version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

553 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

554 pthread_attr_t attr;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

555

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

556 if( pthread_attr_init( &attr ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

557 throw new ThreadException( "Error initializing thread attributes" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

558 if( m_sz && pthread_attr_setstacksize( &attr, m_sz ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

559 throw new ThreadException( "Error initializing thread stack size" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

560 if( pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_JOINABLE ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

561 throw new ThreadException( "Error setting thread joinable" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

562 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

563

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

564 // NOTE: This operation needs to be synchronized to avoid a race

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

565 // condition with the GC. Without this lock, the thread

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

566 // could start and allocate memory before being added to

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

567 // the global thread list, preventing it from being scanned

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

568 // and causing memory to be collected that is still in use.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

569 synchronized( slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

570 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

571 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

572 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

573 m_hndl = cast(HANDLE) _beginthreadex( null, m_sz, &thread_entryPoint, cast(void*) this, 0, &m_addr );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

574 if( cast(size_t) m_hndl == 0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

575 throw new ThreadException( "Error creating thread" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

576 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

577 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

578 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

579 m_isRunning = true;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

580 scope( failure ) m_isRunning = false;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

581

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

582 if( pthread_create( &m_addr, &attr, &thread_entryPoint, cast(void*) this ) != 0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

583 throw new ThreadException( "Error creating thread" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

584 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

585 multiThreadedFlag = true;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

586 add( this );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

587 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

588 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

589

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

590

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

591 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

592 * Waits for this thread to complete. If the thread terminated as the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

593 * result of an unhandled exception, this exception will be rethrown.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

594 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

595 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

596 * rethrow = Rethrow any unhandled exception which may have caused this

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

597 * thread to terminate.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

598 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

599 * Throws:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

600 * ThreadException if the operation fails.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

601 * Any exception not handled by the joined thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

602 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

603 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

604 * Any exception not handled by this thread if rethrow = false, null

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

605 * otherwise.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

606 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

607 final Object join( bool rethrow = true )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

608 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

609 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

610 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

611 if( WaitForSingleObject( m_hndl, INFINITE ) != WAIT_OBJECT_0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

612 throw new ThreadException( "Unable to join thread" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

613 // NOTE: m_addr must be cleared before m_hndl is closed to avoid

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

614 // a race condition with isRunning. The operation is labeled

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

615 // volatile to prevent compiler reordering.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

616 volatile m_addr = m_addr.init;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

617 CloseHandle( m_hndl );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

618 m_hndl = m_hndl.init;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

619 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

620 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

621 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

622 if( pthread_join( m_addr, null ) != 0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

623 throw new ThreadException( "Unable to join thread" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

624 // NOTE: pthread_join acts as a substitute for pthread_detach,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

625 // which is normally called by the dtor. Setting m_addr

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

626 // to zero ensures that pthread_detach will not be called

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

627 // on object destruction.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

628 volatile m_addr = m_addr.init;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

629 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

630 if( m_unhandled )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

631 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

632 if( rethrow )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

633 throw m_unhandled;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

634 return m_unhandled;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

635 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

636 return null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

637 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

638

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

639

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

640 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

641 // General Properties

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

642 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

643

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

644

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

645 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

646 * Gets the user-readable label for this thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

647 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

648 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

649 * The name of this thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

650 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

651 final char[] name()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

652 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

653 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

654 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

655 return m_name;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

656 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

657 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

658

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

659

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

660 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

661 * Sets the user-readable label for this thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

662 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

663 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

664 * val = The new name of this thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

665 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

666 final void name( char[] val )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

667 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

668 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

669 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

670 m_name = val.dup;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

671 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

672 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

673

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

674

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

675 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

676 * Gets the daemon status for this thread. While the runtime will wait for

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

677 * all normal threads to complete before tearing down the process, daemon

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

678 * threads are effectively ignored and thus will not prevent the process

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

679 * from terminating. In effect, daemon threads will be terminated

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

680 * automatically by the OS when the process exits.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

681 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

682 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

683 * true if this is a daemon thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

684 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

685 final bool isDaemon()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

686 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

687 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

688 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

689 return m_isDaemon;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

690 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

691 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

692

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

693

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

694 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

695 * Sets the daemon status for this thread. While the runtime will wait for

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

696 * all normal threads to complete before tearing down the process, daemon

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

697 * threads are effectively ignored and thus will not prevent the process

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

698 * from terminating. In effect, daemon threads will be terminated

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

699 * automatically by the OS when the process exits.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

700 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

701 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

702 * val = The new daemon status for this thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

703 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

704 final void isDaemon( bool val )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

705 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

706 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

707 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

708 m_isDaemon = val;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

709 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

710 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

711

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

712

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

713 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

714 * Tests whether this thread is running.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

715 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

716 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

717 * true if the thread is running, false if not.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

718 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

719 final bool isRunning()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

720 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

721 if( m_addr == m_addr.init )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

722 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

723 return false;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

724 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

725

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

726 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

727 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

728 uint ecode = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

729 GetExitCodeThread( m_hndl, &ecode );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

730 return ecode == STILL_ACTIVE;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

731 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

732 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

733 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

734 // NOTE: It should be safe to access this value without

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

735 // memory barriers because word-tearing and such

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

736 // really isn't an issue for boolean values.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

737 return m_isRunning;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

738 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

739 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

740

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

741

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

742 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

743 // Thread Priority Actions

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

744 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

745

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

746

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

747 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

748 * The minimum scheduling priority that may be set for a thread. On

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

749 * systems where multiple scheduling policies are defined, this value

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

750 * represents the minimum valid priority for the scheduling policy of

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

751 * the process.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

752 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

753 static const int PRIORITY_MIN;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

754

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

755

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

756 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

757 * The maximum scheduling priority that may be set for a thread. On

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

758 * systems where multiple scheduling policies are defined, this value

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

759 * represents the minimum valid priority for the scheduling policy of

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

760 * the process.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

761 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

762 static const int PRIORITY_MAX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

763

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

764

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

765 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

766 * Gets the scheduling priority for the associated thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

767 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

768 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

769 * The scheduling priority of this thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

770 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

771 final int priority()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

772 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

773 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

774 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

775 return GetThreadPriority( m_hndl );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

776 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

777 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

778 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

779 int policy;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

780 sched_param param;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

781

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

782 if( pthread_getschedparam( m_addr, &policy, &param ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

783 throw new ThreadException( "Unable to get thread priority" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

784 return param.sched_priority;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

785 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

786 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

787

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

788

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

789 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

790 * Sets the scheduling priority for the associated thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

791 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

792 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

793 * val = The new scheduling priority of this thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

794 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

795 final void priority( int val )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

796 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

797 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

798 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

799 if( !SetThreadPriority( m_hndl, val ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

800 throw new ThreadException( "Unable to set thread priority" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

801 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

802 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

803 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

804 // NOTE: pthread_setschedprio is not implemented on linux, so use

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

805 // the more complicated get/set sequence below.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

806 //if( pthread_setschedprio( m_addr, val ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

807 // throw new ThreadException( "Unable to set thread priority" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

808

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

809 int policy;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

810 sched_param param;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

811

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

812 if( pthread_getschedparam( m_addr, &policy, &param ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

813 throw new ThreadException( "Unable to set thread priority" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

814 param.sched_priority = val;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

815 if( pthread_setschedparam( m_addr, policy, &param ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

816 throw new ThreadException( "Unable to set thread priority" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

817 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

818 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

819

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

820

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

821 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

822 // Actions on Calling Thread

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

823 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

824

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

825

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

826 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

827 * Suspends the calling thread for at least the supplied period. This may

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

828 * result in multiple OS calls if period is greater than the maximum sleep

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

829 * duration supported by the operating system.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

830 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

831 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

832 * period = The minimum duration the calling thread should be suspended,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

833 * in 100 nanosecond intervals.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

834 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

835 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

836 * period must be non-negative.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

837 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

838 * Example:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

839 * ------------------------------------------------------------------------

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

840 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

841 * Thread.sleep( 500 ); // sleep for 50 milliseconds

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

842 * Thread.sleep( 50_000_000 ); // sleep for 5 seconds

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

843 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

844 * ------------------------------------------------------------------------

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

845 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

846 static void sleep( long period )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

847 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

848 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

849 assert( period >= 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

850 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

851 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

852 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

853 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

854 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

855 enum : uint

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

856 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

857 TICKS_PER_MILLI = 10_000,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

858 MAX_SLEEP_MILLIS = uint.max - 1

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

859 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

860

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

861 period = period < TICKS_PER_MILLI ?

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

862 1 :

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

863 period / TICKS_PER_MILLI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

864 while( period > MAX_SLEEP_MILLIS )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

865 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

866 Sleep( MAX_SLEEP_MILLIS );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

867 period -= MAX_SLEEP_MILLIS;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

868 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

869 Sleep( cast(uint) period );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

870 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

871 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

872 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

873 timespec tin = void;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

874 timespec tout = void;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

875

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

876 enum : uint

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

877 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

878 NANOS_PER_TICK = 100,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

879 TICKS_PER_SECOND = 10_000_000,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

880 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

881 enum : typeof(period)

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

882 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

883 MAX_SLEEP_TICKS = cast(typeof(period)) tin.tv_sec.max * TICKS_PER_SECOND

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

884 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

885

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

886 do

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

887 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

888 if( period > MAX_SLEEP_TICKS )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

889 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

890 tin.tv_sec = tin.tv_sec.max;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

891 tin.tv_nsec = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

892 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

893 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

894 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

895 tin.tv_sec = cast(typeof(tin.tv_sec)) (period / TICKS_PER_SECOND);

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

896 tin.tv_nsec = cast(typeof(tin.tv_nsec)) (period % TICKS_PER_SECOND) * NANOS_PER_TICK;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

897 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

898 while( true )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

899 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

900 if( !nanosleep( &tin, &tout ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

901 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

902 if( getErrno() != EINTR )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

903 throw new ThreadException( "Unable to sleep for the specified duration" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

904 tin = tout;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

905 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

906 period -= (cast(typeof(period)) tin.tv_sec) * TICKS_PER_SECOND;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

907 period -= (cast(typeof(period)) tin.tv_nsec) / NANOS_PER_TICK;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

908 } while( period > 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

909 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

910 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

911

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

912

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

913 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

914 * Forces a context switch to occur away from the calling thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

915 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

916 static void yield()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

917 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

918 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

919 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

920 // NOTE: Sleep(1) is necessary because Sleep(0) does not give

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

921 // lower priority threads any timeslice, so looping on

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

922 // Sleep(0) could be resource-intensive in some cases.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

923 Sleep( 1 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

924 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

925 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

926 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

927 sched_yield();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

928 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

929 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

930

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

931

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

932 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

933 // Thread Accessors

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

934 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

935

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

936

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

937 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

938 * Provides a reference to the calling thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

939 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

940 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

941 * The thread object representing the calling thread. The result of

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

942 * deleting this object is undefined.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

943 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

944 static Thread getThis()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

945 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

946 // NOTE: This function may not be called until thread_init has

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

947 // completed. See thread_suspendAll for more information

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

948 // on why this might occur.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

949 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

950 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

951 return cast(Thread) TlsGetValue( sm_this );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

952 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

953 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

954 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

955 return cast(Thread) pthread_getspecific( sm_this );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

956 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

957 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

958

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

959

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

960 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

961 * Provides a list of all threads currently being tracked by the system.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

962 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

963 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

964 * An array containing references to all threads currently being

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

965 * tracked by the system. The result of deleting any contained

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

966 * objects is undefined.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

967 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

968 static Thread[] getAll()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

969 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

970 synchronized( slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

971 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

972 size_t pos = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

973 Thread[] buf = new Thread[sm_tlen];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

974

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

975 foreach( Thread t; Thread )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

976 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

977 buf[pos++] = t;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

978 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

979 return buf;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

980 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

981 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

982

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

983

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

984 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

985 * Operates on all threads currently being tracked by the system. The

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

986 * result of deleting any Thread object is undefined.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

987 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

988 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

989 * dg = The supplied code as a delegate.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

990 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

991 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

992 * Zero if all elemented are visited, nonzero if not.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

993 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

994 static int opApply( int delegate( inout Thread ) dg )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

995 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

996 synchronized( slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

997 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

998 int ret = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

999

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1000 for( Thread t = sm_tbeg; t; t = t.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1001 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1002 ret = dg( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1003 if( ret )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1004 break;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1005 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1006 return ret;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1007 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1008 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1009

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1010

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1011 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1012 // Local Storage Actions

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1013 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1014

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1015

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1016 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1017 * Indicates the number of local storage pointers available at program

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1018 * startup. It is recommended that this number be at least 64.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1019 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1020 static const uint LOCAL_MAX = 64;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1021

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1022

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1023 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1024 * Reserves a local storage pointer for use and initializes this location

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1025 * to null for all running threads.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1026 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1027 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1028 * A key representing the array offset of this memory location.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1029 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1030 static uint createLocal()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1031 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1032 synchronized( slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1033 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1034 foreach( uint key, inout bool set; sm_local )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1035 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1036 if( !set )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1037 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1038 //foreach( Thread t; sm_tbeg ) Bug in GDC 0.24 SVN (r139)

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1039 for( Thread t = sm_tbeg; t; t = t.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1040 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1041 t.m_local[key] = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1042 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1043 set = true;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1044 return key;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1045 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1046 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1047 throw new ThreadException( "No more local storage slots available" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1048 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1049 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1050

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1051

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1052 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1053 * Marks the supplied key as available and sets the associated location

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1054 * to null for all running threads. It is assumed that any key passed

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1055 * to this function is valid. The result of calling this function for

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1056 * a key which is still in use is undefined.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1057 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1058 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1059 * key = The key to delete.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1060 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1061 static void deleteLocal( uint key )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1062 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1063 synchronized( slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1064 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1065 sm_local[key] = false;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1066 // foreach( Thread t; sm_tbeg ) Bug in GDC 0.24 SVN (r139)

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1067 for( Thread t = sm_tbeg; t; t = t.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1068 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1069 t.m_local[key] = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1070 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1071 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1072 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1073

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1074

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1075 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1076 * Loads the value stored at key within a thread-local static array. It is

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1077 * assumed that any key passed to this function is valid.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1078 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1079 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1080 * key = The location which holds the desired data.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1081 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1082 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1083 * The data associated with the supplied key.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1084 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1085 static void* getLocal( uint key )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1086 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1087 return getThis().m_local[key];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1088 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1089

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1090

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1091 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1092 * Stores the supplied value at key within a thread-local static array. It

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1093 * is assumed that any key passed to this function is valid.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1094 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1095 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1096 * key = The location to store the supplied data.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1097 * val = The data to store.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1098 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1099 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1100 * A copy of the data which has just been stored.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1101 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1102 static void* setLocal( uint key, void* val )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1103 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1104 return getThis().m_local[key] = val;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1105 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1106

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1107

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1108 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1109 // Static Initalizer

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1110 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1111

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1112

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1113 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1114 * This initializer is used to set thread constants. All functional

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1115 * initialization occurs within thread_init().

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1116 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1117 static this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1118 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1119 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1120 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1121 PRIORITY_MIN = -15;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1122 PRIORITY_MAX = 15;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1123 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1124 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1125 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1126 int policy;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1127 sched_param param;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1128 pthread_t self = pthread_self();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1129

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1130 int status = pthread_getschedparam( self, &policy, &param );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1131 assert( status == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1132

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1133 PRIORITY_MIN = sched_get_priority_min( policy );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1134 assert( PRIORITY_MIN != -1 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1135

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1136 PRIORITY_MAX = sched_get_priority_max( policy );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1137 assert( PRIORITY_MAX != -1 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1138 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1139 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1140

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1141

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1142 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1143 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1144 // Initializes a thread object which has no associated executable function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1145 // This is used for the main thread initialized in thread_init().

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1146 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1147 this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1148 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1149 m_call = Call.NO;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1150 m_curr = &m_main;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1151 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1152

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1153

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1154 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1155 // Thread entry point. Invokes the function or delegate passed on

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1156 // construction (if any).

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1157 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1158 final void run()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1159 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1160 switch( m_call )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1161 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1162 case Call.FN:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1163 m_fn();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1164 break;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1165 case Call.DG:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1166 m_dg();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1167 break;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1168 default:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1169 break;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1170 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1171 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1172

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1173

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1174 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1175 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1176 // The type of routine passed on thread construction.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1177 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1178 enum Call

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1179 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1180 NO,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1181 FN,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1182 DG

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1183 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1184

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1185

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1186 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1187 // Standard types

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1188 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1189 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1190 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1191 alias uint TLSKey;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1192 alias uint ThreadAddr;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1193 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1194 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1195 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1196 alias pthread_key_t TLSKey;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1197 alias pthread_t ThreadAddr;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1198 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1199

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1200

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1201 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1202 // Local storage

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1203 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1204 static bool[LOCAL_MAX] sm_local;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1205 static TLSKey sm_this;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1206

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1207 void*[LOCAL_MAX] m_local;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1208

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1209

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1210 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1211 // Standard thread data

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1212 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1213 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1214 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1215 HANDLE m_hndl;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1216 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1217 ThreadAddr m_addr;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1218 Call m_call;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1219 char[] m_name;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1220 union

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1221 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1222 void function() m_fn;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1223 void delegate() m_dg;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1224 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1225 size_t m_sz;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1226 version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1227 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1228 bool m_isRunning;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1229 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1230 bool m_isDaemon;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1231 Object m_unhandled;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1232

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1233

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1234 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1235 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1236 // Storage of Active Thread

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1237 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1238

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1239

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1240 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1241 // Sets a thread-local reference to the current thread object.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1242 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1243 static void setThis( Thread t )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1244 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1245 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1246 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1247 TlsSetValue( sm_this, cast(void*) t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1248 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1249 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1250 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1251 pthread_setspecific( sm_this, cast(void*) t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1252 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1253 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1254

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1255

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1256 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1257 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1258 // Thread Context and GC Scanning Support

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1259 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1260

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1261

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1262 final void pushContext( Context* c )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1263 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1264 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1265 assert( !c.within );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1266 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1267 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1268 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1269 c.within = m_curr;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1270 m_curr = c;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1271 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1272

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1273

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1274 final void popContext()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1275 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1276 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1277 assert( m_curr && m_curr.within );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1278 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1279 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1280 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1281 Context* c = m_curr;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1282 m_curr = c.within;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1283 c.within = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1284 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1285

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1286

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1287 final Context* topContext()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1288 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1289 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1290 assert( m_curr );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1291 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1292 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1293 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1294 return m_curr;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1295 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1296

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1297

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1298 static struct Context

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1299 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1300 void* bstack,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1301 tstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1302 Context* within;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1303 Context* next,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1304 prev;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1305 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1306

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1307

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1308 Context m_main;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1309 Context* m_curr;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1310 bool m_lock;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1311

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1312 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1313 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1314 uint[8] m_reg; // edi,esi,ebp,esp,ebx,edx,ecx,eax

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1315 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1316

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1317

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1318 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1319 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1320 // GC Scanning Support

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1321 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1322

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1323

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1324 // NOTE: The GC scanning process works like so:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1325 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1326 // 1. Suspend all threads.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1327 // 2. Scan the stacks of all suspended threads for roots.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1328 // 3. Resume all threads.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1329 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1330 // Step 1 and 3 require a list of all threads in the system, while

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1331 // step 2 requires a list of all thread stacks (each represented by

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1332 // a Context struct). Traditionally, there was one stack per thread

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1333 // and the Context structs were not necessary. However, Fibers have

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1334 // changed things so that each thread has its own 'main' stack plus

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1335 // an arbitrary number of nested stacks (normally referenced via

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1336 // m_curr). Also, there may be 'free-floating' stacks in the system,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1337 // which are Fibers that are not currently executing on any specific

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1338 // thread but are still being processed and still contain valid

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1339 // roots.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1340 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1341 // To support all of this, the Context struct has been created to

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1342 // represent a stack range, and a global list of Context structs has

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1343 // been added to enable scanning of these stack ranges. The lifetime

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1344 // (and presence in the Context list) of a thread's 'main' stack will

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1345 // be equivalent to the thread's lifetime. So the Ccontext will be

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1346 // added to the list on thread entry, and removed from the list on

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1347 // thread exit (which is essentially the same as the presence of a

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1348 // Thread object in its own global list). The lifetime of a Fiber's

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1349 // context, however, will be tied to the lifetime of the Fiber object

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1350 // itself, and Fibers are expected to add/remove their Context struct

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1351 // on construction/deletion.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1352

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1353

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1354 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1355 // All use of the global lists should synchronize on this lock.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1356 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1357 static Object slock()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1358 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1359 return Thread.classinfo;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1360 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1361

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1362

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1363 static Context* sm_cbeg;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1364 static size_t sm_clen;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1365

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1366 static Thread sm_tbeg;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1367 static size_t sm_tlen;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1368

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1369 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1370 // Used for ordering threads in the global thread list.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1371 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1372 Thread prev;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1373 Thread next;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1374

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1375

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1376 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1377 // Global Context List Operations

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1378 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1379

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1380

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1381 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1382 // Add a context to the global context list.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1383 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1384 static void add( Context* c )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1385 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1386 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1387 assert( c );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1388 assert( !c.next && !c.prev );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1389 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1390 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1391 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1392 synchronized( slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1393 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1394 if( sm_cbeg )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1395 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1396 c.next = sm_cbeg;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1397 sm_cbeg.prev = c;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1398 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1399 sm_cbeg = c;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1400 ++sm_clen;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1401 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1402 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1403

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1404

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1405 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1406 // Remove a context from the global context list.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1407 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1408 static void remove( Context* c )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1409 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1410 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1411 assert( c );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1412 assert( c.next || c.prev );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1413 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1414 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1415 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1416 synchronized( slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1417 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1418 if( c.prev )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1419 c.prev.next = c.next;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1420 if( c.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1421 c.next.prev = c.prev;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1422 if( sm_cbeg == c )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1423 sm_cbeg = c.next;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1424 --sm_clen;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1425 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1426 // NOTE: Don't null out c.next or c.prev because opApply currently

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1427 // follows c.next after removing a node. This could be easily

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1428 // addressed by simply returning the next node from this

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1429 // function, however, a context should never be re-added to the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1430 // list anyway and having next and prev be non-null is a good way

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1431 // to ensure that.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1432 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1433

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1434

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1435 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1436 // Global Thread List Operations

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1437 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1438

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1439

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1440 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1441 // Add a thread to the global thread list.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1442 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1443 static void add( Thread t )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1444 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1445 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1446 assert( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1447 assert( !t.next && !t.prev );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1448 assert( t.isRunning );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1449 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1450 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1451 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1452 synchronized( slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1453 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1454 if( sm_tbeg )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1455 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1456 t.next = sm_tbeg;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1457 sm_tbeg.prev = t;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1458 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1459 sm_tbeg = t;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1460 ++sm_tlen;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1461 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1462 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1463

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1464

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1465 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1466 // Remove a thread from the global thread list.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1467 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1468 static void remove( Thread t )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1469 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1470 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1471 assert( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1472 assert( t.next || t.prev );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1473 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1474 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1475 // NOTE: This doesn't work for Posix as m_isRunning must be set to

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1476 // false after the thread is removed during normal execution.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1477 assert( !t.isRunning );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1478 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1479 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1480 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1481 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1482 synchronized( slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1483 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1484 // NOTE: When a thread is removed from the global thread list its

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1485 // main context is invalid and should be removed as well.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1486 // It is possible that t.m_curr could reference more

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1487 // than just the main context if the thread exited abnormally

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1488 // (if it was terminated), but we must assume that the user

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1489 // retains a reference to them and that they may be re-used

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1490 // elsewhere. Therefore, it is the responsibility of any

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1491 // object that creates contexts to clean them up properly

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1492 // when it is done with them.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1493 remove( &t.m_main );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1494

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1495 if( t.prev )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1496 t.prev.next = t.next;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1497 if( t.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1498 t.next.prev = t.prev;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1499 if( sm_tbeg == t )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1500 sm_tbeg = t.next;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1501 --sm_tlen;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1502 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1503 // NOTE: Don't null out t.next or t.prev because opApply currently

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1504 // follows t.next after removing a node. This could be easily

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1505 // addressed by simply returning the next node from this

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1506 // function, however, a thread should never be re-added to the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1507 // list anyway and having next and prev be non-null is a good way

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1508 // to ensure that.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1509 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1510 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1511

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1512

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1513 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1514 // GC Support Routines

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1515 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1516

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1517

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1518 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1519 * Initializes the thread module. This function must be called by the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1520 * garbage collector on startup and before any other thread routines

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1521 * are called.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1522 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1523 extern (C) void thread_init()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1524 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1525 // NOTE: If thread_init itself performs any allocations then the thread

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1526 // routines reserved for garbage collector use may be called while

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1527 // thread_init is being processed. However, since no memory should

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1528 // exist to be scanned at this point, it is sufficient for these

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1529 // functions to detect the condition and return immediately.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1530

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1531 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1532 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1533 Thread.sm_this = TlsAlloc();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1534 assert( Thread.sm_this != TLS_OUT_OF_INDEXES );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1535 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1536 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1537 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1538 int status;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1539 sigaction_t sigusr1 = void;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1540 sigaction_t sigusr2 = void;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1541

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1542 // This is a quick way to zero-initialize the structs without using

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1543 // memset or creating a link dependency on their static initializer.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1544 (cast(byte*) &sigusr1)[0 .. sigaction_t.sizeof] = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1545 (cast(byte*) &sigusr2)[0 .. sigaction_t.sizeof] = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1546

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1547 // NOTE: SA_RESTART indicates that system calls should restart if they

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1548 // are interrupted by a signal, but this is not available on all

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1549 // Posix systems, even those that support multithreading.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1550 static if( is( typeof( SA_RESTART ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1551 sigusr1.sa_flags = SA_RESTART;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1552 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1553 sigusr1.sa_flags = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1554 sigusr1.sa_handler = &thread_suspendHandler;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1555 // NOTE: We want to ignore all signals while in this handler, so fill

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1556 // sa_mask to indicate this.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1557 status = sigfillset( &sigusr1.sa_mask );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1558 assert( status == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1559

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1560 // NOTE: Since SIGUSR2 should only be issued for threads within the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1561 // suspend handler, we don't want this signal to trigger a

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1562 // restart.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1563 sigusr2.sa_flags = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1564 sigusr2.sa_handler = &thread_resumeHandler;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1565 // NOTE: We want to ignore all signals while in this handler, so fill

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1566 // sa_mask to indicate this.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1567 status = sigfillset( &sigusr2.sa_mask );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1568 assert( status == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1569

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1570 status = sigaction( SIGUSR1, &sigusr1, null );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1571 assert( status == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1572

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1573 status = sigaction( SIGUSR2, &sigusr2, null );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1574 assert( status == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1575

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1576 status = sem_init( &suspendCount, 0, 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1577 assert( status == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1578

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1579 status = pthread_key_create( &Thread.sm_this, null );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1580 assert( status == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1581 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1582

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1583 thread_attachThis();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1584 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1585

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1586

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1587 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1588 * Registers the calling thread for use with the D Runtime. If this routine

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1589 * is called for a thread which is already registered, the result is undefined.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1590 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1591 extern (C) void thread_attachThis()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1592 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1593 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1594 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1595 Thread thisThread = new Thread();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1596 Thread.Context* thisContext = &thisThread.m_main;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1597 assert( thisContext == thisThread.m_curr );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1598

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1599 thisThread.m_addr = GetCurrentThreadId();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1600 thisThread.m_hndl = GetCurrentThreadHandle();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1601 thisContext.bstack = getStackBottom();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1602 thisContext.tstack = thisContext.bstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1603

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1604 thisThread.m_isDaemon = true;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1605

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1606 Thread.setThis( thisThread );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1607 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1608 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1609 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1610 Thread thisThread = new Thread();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1611 Thread.Context* thisContext = thisThread.m_curr;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1612 assert( thisContext == &thisThread.m_main );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1613

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1614 thisThread.m_addr = pthread_self();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1615 thisContext.bstack = getStackBottom();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1616 thisContext.tstack = thisContext.bstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1617

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1618 thisThread.m_isRunning = true;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1619 thisThread.m_isDaemon = true;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1620

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1621 Thread.setThis( thisThread );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1622 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1623

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1624 Thread.add( thisThread );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1625 Thread.add( thisContext );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1626 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1627

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1628

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1629 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1630 * Deregisters the calling thread from use with the runtime. If this routine

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1631 * is called for a thread which is already registered, the result is undefined.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1632 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1633 extern (C) void thread_detachThis()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1634 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1635 Thread.remove( Thread.getThis() );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1636 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1637

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1638

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1639 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1640 * Joins all non-daemon threads that are currently running. This is done by

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1641 * performing successive scans through the thread list until a scan consists

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1642 * of only daemon threads.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1643 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1644 extern (C) void thread_joinAll()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1645 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1646

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1647 while( true )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1648 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1649 Thread nonDaemon = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1650

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1651 foreach( t; Thread )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1652 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1653 if( !t.isDaemon )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1654 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1655 nonDaemon = t;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1656 break;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1657 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1658 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1659 if( nonDaemon is null )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1660 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1661 nonDaemon.join();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1662 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1663 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1664

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1665

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1666 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1667 * Performs intermediate shutdown of the thread module.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1668 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1669 static ~this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1670 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1671 // NOTE: The functionality related to garbage collection must be minimally

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1672 // operable after this dtor completes. Therefore, only minimal

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1673 // cleanup may occur.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1674

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1675 for( Thread t = Thread.sm_tbeg; t; t = t.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1676 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1677 if( !t.isRunning )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1678 Thread.remove( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1679 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1680 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1681

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1682

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1683 // Used for needLock below

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1684 private bool multiThreadedFlag = false;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1685

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1686

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1687 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1688 * This function is used to determine whether the the process is

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1689 * multi-threaded. Optimizations may only be performed on this

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1690 * value if the programmer can guarantee that no path from the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1691 * enclosed code will start a thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1692 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1693 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1694 * True if Thread.start() has been called in this process.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1695 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1696 extern (C) bool thread_needLock()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1697 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1698 return multiThreadedFlag;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1699 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1700

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1701

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1702 // Used for suspendAll/resumeAll below

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1703 private uint suspendDepth = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1704

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1705

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1706 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1707 * Suspend all threads but the calling thread for "stop the world" garbage

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1708 * collection runs. This function may be called multiple times, and must

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1709 * be followed by a matching number of calls to thread_resumeAll before

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1710 * processing is resumed.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1711 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1712 * Throws:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1713 * ThreadException if the suspend operation fails for a running thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1714 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1715 extern (C) void thread_suspendAll()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1716 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1717 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1718 * Suspend the specified thread and load stack and register information for

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1719 * use by thread_scanAll. If the supplied thread is the calling thread,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1720 * stack and register information will be loaded but the thread will not

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1721 * be suspended. If the suspend operation fails and the thread is not

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1722 * running then it will be removed from the global thread list, otherwise

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1723 * an exception will be thrown.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1724 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1725 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1726 * t = The thread to suspend.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1727 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1728 * Throws:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1729 * ThreadException if the suspend operation fails for a running thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1730 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1731 void suspend( Thread t )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1732 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1733 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1734 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1735 if( t.m_addr != GetCurrentThreadId() && SuspendThread( t.m_hndl ) == 0xFFFFFFFF )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1736 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1737 if( !t.isRunning )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1738 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1739 Thread.remove( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1740 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1741 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1742 throw new ThreadException( "Unable to suspend thread" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1743 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1744

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1745 CONTEXT context = void;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1746 context.ContextFlags = CONTEXT_INTEGER | CONTEXT_CONTROL;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1747

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1748 if( !GetThreadContext( t.m_hndl, &context ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1749 throw new ThreadException( "Unable to load thread context" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1750 if( !t.m_lock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1751 t.m_curr.tstack = cast(void*) context.Esp;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1752 // edi,esi,ebp,esp,ebx,edx,ecx,eax

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1753 t.m_reg[0] = context.Edi;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1754 t.m_reg[1] = context.Esi;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1755 t.m_reg[2] = context.Ebp;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1756 t.m_reg[3] = context.Esp;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1757 t.m_reg[4] = context.Ebx;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1758 t.m_reg[5] = context.Edx;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1759 t.m_reg[6] = context.Ecx;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1760 t.m_reg[7] = context.Eax;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1761 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1762 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1763 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1764 if( t.m_addr != pthread_self() )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1765 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1766 if( pthread_kill( t.m_addr, SIGUSR1 ) != 0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1767 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1768 if( !t.isRunning )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1769 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1770 Thread.remove( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1771 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1772 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1773 throw new ThreadException( "Unable to suspend thread" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1774 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1775 // NOTE: It's really not ideal to wait for each thread to

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1776 // signal individually -- rather, it would be better to

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1777 // suspend them all and wait once at the end. However,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1778 // semaphores don't really work this way, and the obvious

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1779 // alternative (looping on an atomic suspend count)

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1780 // requires either the atomic module (which only works on

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1781 // x86) or other specialized functionality. It would

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1782 // also be possible to simply loop on sem_wait at the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1783 // end, but I'm not convinced that this would be much

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1784 // faster than the current approach.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1785 sem_wait( &suspendCount );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1786 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1787 else if( !t.m_lock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1788 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1789 t.m_curr.tstack = getStackTop();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1790 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1791 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1792 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1793

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1794

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1795 // NOTE: We've got an odd chicken & egg problem here, because while the GC

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1796 // is required to call thread_init before calling any other thread

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1797 // routines, thread_init may allocate memory which could in turn

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1798 // trigger a collection. Thus, thread_suspendAll, thread_scanAll,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1799 // and thread_resumeAll must be callable before thread_init

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1800 // completes, with the assumption that no other GC memory has yet

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1801 // been allocated by the system, and thus there is no risk of losing

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1802 // data if the global thread list is empty. The check of

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1803 // Thread.sm_tbeg below is done to ensure thread_init has completed,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1804 // and therefore that calling Thread.getThis will not result in an

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1805 // error. For the short time when Thread.sm_tbeg is null, there is

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1806 // no reason not to simply call the multithreaded code below, with

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1807 // the expectation that the foreach loop will never be entered.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1808 if( !multiThreadedFlag && Thread.sm_tbeg )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1809 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1810 if( ++suspendDepth == 1 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1811 suspend( Thread.getThis() );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1812 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1813 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1814 synchronized( Thread.slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1815 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1816 if( ++suspendDepth > 1 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1817 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1818

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1819 // NOTE: I'd really prefer not to check isRunning within this loop but

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1820 // not doing so could be problematic if threads are termianted

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1821 // abnormally and a new thread is created with the same thread

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1822 // address before the next GC run. This situation might cause

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1823 // the same thread to be suspended twice, which would likely

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1824 // cause the second suspend to fail, the garbage collection to

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1825 // abort, and Bad Things to occur.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1826 for( Thread t = Thread.sm_tbeg; t; t = t.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1827 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1828 if( t.isRunning )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1829 suspend( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1830 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1831 Thread.remove( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1832 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1833

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1834 version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1835 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1836 // wait on semaphore -- see note in suspend for

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1837 // why this is currently not implemented

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1838 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1839 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1840 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1841

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1842

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1843 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1844 * Resume all threads but the calling thread for "stop the world" garbage

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1845 * collection runs. This function must be called once for each preceding

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1846 * call to thread_suspendAll before the threads are actually resumed.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1847 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1848 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1849 * This routine must be preceded by a call to thread_suspendAll.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1850 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1851 * Throws:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1852 * ThreadException if the resume operation fails for a running thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1853 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1854 extern (C) void thread_resumeAll()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1855 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1856 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1857 assert( suspendDepth > 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1858 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1859 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1860 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1861 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1862 * Resume the specified thread and unload stack and register information.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1863 * If the supplied thread is the calling thread, stack and register

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1864 * information will be unloaded but the thread will not be resumed. If

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1865 * the resume operation fails and the thread is not running then it will

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1866 * be removed from the global thread list, otherwise an exception will be

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1867 * thrown.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1868 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1869 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1870 * t = The thread to resume.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1871 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1872 * Throws:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1873 * ThreadException if the resume fails for a running thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1874 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1875 void resume( Thread t )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1876 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1877 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1878 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1879 if( t.m_addr != GetCurrentThreadId() && ResumeThread( t.m_hndl ) == 0xFFFFFFFF )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1880 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1881 if( !t.isRunning )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1882 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1883 Thread.remove( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1884 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1885 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1886 throw new ThreadException( "Unable to resume thread" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1887 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1888

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1889 if( !t.m_lock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1890 t.m_curr.tstack = t.m_curr.bstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1891 t.m_reg[0 .. $] = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1892 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1893 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1894 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1895 if( t.m_addr != pthread_self() )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1896 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1897 if( pthread_kill( t.m_addr, SIGUSR2 ) != 0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1898 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1899 if( !t.isRunning )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1900 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1901 Thread.remove( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1902 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1903 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1904 throw new ThreadException( "Unable to resume thread" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1905 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1906 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1907 else if( !t.m_lock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1908 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1909 t.m_curr.tstack = t.m_curr.bstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1910 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1911 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1912 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1913

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1914

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1915 // NOTE: See thread_suspendAll for the logic behind this.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1916 if( !multiThreadedFlag && Thread.sm_tbeg )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1917 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1918 if( --suspendDepth == 0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1919 resume( Thread.getThis() );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1920 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1921 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1922 synchronized( Thread.slock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1923 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1924 if( --suspendDepth > 0 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1925 return;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1926

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1927 for( Thread t = Thread.sm_tbeg; t; t = t.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1928 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1929 resume( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1930 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1931 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1932 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1933

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1934

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1935 private alias void delegate( void*, void* ) scanAllThreadsFn;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1936

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1937

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1938 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1939 * The main entry point for garbage collection. The supplied delegate

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1940 * will be passed ranges representing both stack and register values.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1941 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1942 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1943 * scan = The scanner function. It should scan from p1 through p2 - 1.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1944 * curStackTop = An optional pointer to the top of the calling thread's stack.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1945 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1946 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1947 * This routine must be preceded by a call to thread_suspendAll.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1948 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1949 extern (C) void thread_scanAll( scanAllThreadsFn scan, void* curStackTop = null )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1950 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1951 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1952 assert( suspendDepth > 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1953 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1954 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1955 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1956 Thread thisThread = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1957 void* oldStackTop = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1958

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1959 if( curStackTop && Thread.sm_tbeg )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1960 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1961 thisThread = Thread.getThis();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1962 if( !thisThread.m_lock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1963 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1964 oldStackTop = thisThread.m_curr.tstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1965 thisThread.m_curr.tstack = curStackTop;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1966 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1967 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1968

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1969 scope( exit )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1970 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1971 if( curStackTop && Thread.sm_tbeg )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1972 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1973 if( !thisThread.m_lock )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1974 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1975 thisThread.m_curr.tstack = oldStackTop;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1976 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1977 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1978 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1979

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1980 // NOTE: Synchronizing on Thread.slock is not needed because this

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1981 // function may only be called after all other threads have

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1982 // been suspended from within the same lock.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1983 for( Thread.Context* c = Thread.sm_cbeg; c; c = c.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1984 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1985 version( StackGrowsDown )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1986 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1987 // NOTE: We can't index past the bottom of the stack

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1988 // so don't do the "+1" for StackGrowsDown.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1989 if( c.tstack && c.tstack < c.bstack )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1990 scan( c.tstack, c.bstack );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1991 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1992 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1993 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1994 if( c.bstack && c.bstack < c.tstack )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1995 scan( c.bstack, c.tstack + 1 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1996 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1997 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1998 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

1999 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2000 for( Thread t = Thread.sm_tbeg; t; t = t.next )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2001 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2002 scan( &t.m_reg[0], &t.m_reg[0] + t.m_reg.length );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2003 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2004 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2005 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2006

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2007

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2008 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2009 // Thread Local

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2010 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2011

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2012

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2013 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2014 * This class encapsulates the operations required to initialize, access, and

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2015 * destroy thread local data.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2016 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2017 class ThreadLocal( T )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2018 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2019 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2020 // Initialization

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2021 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2022

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2023

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2024 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2025 * Initializes thread local storage for the indicated value which will be

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2026 * initialized to def for all threads.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2027 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2028 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2029 * def = The default value to return if no value has been explicitly set.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2030 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2031 this( T def = T.init )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2032 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2033 m_def = def;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2034 m_key = Thread.createLocal();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2035 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2036

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2037

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2038 ~this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2039 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2040 Thread.deleteLocal( m_key );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2041 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2042

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2043

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2044 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2045 // Accessors

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2046 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2047

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2048

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2049 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2050 * Gets the value last set by the calling thread, or def if no such value

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2051 * has been set.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2052 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2053 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2054 * The stored value or def if no value is stored.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2055 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2056 T val()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2057 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2058 Wrap* wrap = cast(Wrap*) Thread.getLocal( m_key );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2059

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2060 return wrap ? wrap.val : m_def;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2061 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2062

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2063

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2064 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2065 * Copies newval to a location specific to the calling thread, and returns

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2066 * newval.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2067 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2068 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2069 * newval = The value to set.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2070 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2071 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2072 * The value passed to this function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2073 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2074 T val( T newval )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2075 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2076 Wrap* wrap = cast(Wrap*) Thread.getLocal( m_key );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2077

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2078 if( wrap is null )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2079 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2080 wrap = new Wrap;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2081 Thread.setLocal( m_key, wrap );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2082 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2083 wrap.val = newval;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2084 return newval;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2085 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2086

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2087

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2088 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2089 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2090 // A wrapper for the stored data. This is needed for determining whether

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2091 // set has ever been called for this thread (and therefore whether the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2092 // default value should be returned) and also to flatten the differences

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2093 // between data that is smaller and larger than (void*).sizeof. The

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2094 // obvious tradeoff here is an extra per-thread allocation for each

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2095 // ThreadLocal value as compared to calling the Thread routines directly.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2096 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2097 struct Wrap

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2098 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2099 T val;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2100 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2101

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2102

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2103 T m_def;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2104 uint m_key;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2105 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2106

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2107

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2108 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2109 // Thread Group

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2110 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2111

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2112

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2113 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2114 * This class is intended to simplify certain common programming techniques.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2115 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2116 class ThreadGroup

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2117 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2118 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2119 * Creates and starts a new Thread object that executes fn and adds it to

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2120 * the list of tracked threads.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2121 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2122 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2123 * fn = The thread function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2124 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2125 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2126 * A reference to the newly created thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2127 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2128 final Thread create( void function() fn )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2129 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2130 Thread t = new Thread( fn );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2131

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2132 t.start();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2133 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2134 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2135 m_all[t] = t;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2136 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2137 return t;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2138 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2139

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2140

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2141 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2142 * Creates and starts a new Thread object that executes dg and adds it to

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2143 * the list of tracked threads.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2144 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2145 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2146 * dg = The thread function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2147 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2148 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2149 * A reference to the newly created thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2150 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2151 final Thread create( void delegate() dg )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2152 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2153 Thread t = new Thread( dg );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2154

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2155 t.start();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2156 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2157 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2158 m_all[t] = t;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2159 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2160 return t;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2161 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2162

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2163

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2164 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2165 * Add t to the list of tracked threads if it is not already being tracked.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2166 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2167 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2168 * t = The thread to add.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2169 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2170 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2171 * t must not be null.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2172 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2173 final void add( Thread t )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2174 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2175 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2176 assert( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2177 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2178 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2179 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2180 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2181 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2182 m_all[t] = t;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2183 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2184 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2185

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2186

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2187 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2188 * Removes t from the list of tracked threads. No operation will be

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2189 * performed if t is not currently being tracked by this object.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2190 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2191 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2192 * t = The thread to remove.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2193 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2194 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2195 * t must not be null.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2196 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2197 final void remove( Thread t )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2198 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2199 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2200 assert( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2201 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2202 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2203 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2204 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2205 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2206 m_all.remove( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2207 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2208 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2209

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2210

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2211 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2212 * Operates on all threads currently tracked by this object.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2213 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2214 final int opApply( int delegate( inout Thread ) dg )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2215 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2216 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2217 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2218 int ret = 0;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2219

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2220 // NOTE: This loop relies on the knowledge that m_all uses the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2221 // Thread object for both the key and the mapped value.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2222 foreach( Thread t; m_all.keys )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2223 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2224 ret = dg( t );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2225 if( ret )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2226 break;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2227 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2228 return ret;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2229 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2230 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2231

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2232

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2233 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2234 * Iteratively joins all tracked threads. This function will block add,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2235 * remove, and opApply until it completes.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2236 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2237 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2238 * rethrow = Rethrow any unhandled exception which may have caused the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2239 * current thread to terminate.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2240 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2241 * Throws:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2242 * Any exception not handled by the joined threads.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2243 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2244 final void joinAll( bool rethrow = true )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2245 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2246 synchronized( this )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2247 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2248 // NOTE: This loop relies on the knowledge that m_all uses the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2249 // Thread object for both the key and the mapped value.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2250 foreach( Thread t; m_all.keys )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2251 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2252 t.join( rethrow );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2253 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2254 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2255 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2256

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2257

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2258 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2259 Thread[Thread] m_all;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2260 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2261

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2262

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2263 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2264 // Fiber Platform Detection and Memory Allocation

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2265 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2266

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2267

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2268 private

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2269 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2270 version( D_InlineAsm_X86 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2271 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2272 version( X86_64 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2273 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2274

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2275 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2276 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2277 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2278 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2279 version = AsmX86_Win32;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2280 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2281 version = AsmX86_Posix;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2282 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2283 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2284 else version( PPC )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2285 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2286 version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2287 version = AsmPPC_Posix;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2288 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2289

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2290 version( LLVM_InlineAsm_X86 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2291 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2292 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2293 version = LLVM_AsmX86_Win32;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2294 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2295 version = LLVM_AsmX86_Posix;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2296 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2297 else version( LLVM_InlineAsm_X86_64 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2298 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2299 version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2300 version = LLVM_AsmX86_64_Posix;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2301 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2302

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2303 version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2304 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2305 import stdc.posix.unistd; // for sysconf

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2306 import stdc.posix.sys.mman; // for mmap

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2307 import stdc.posix.stdlib; // for malloc, valloc, free

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2308

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2309 version( AsmX86_Win32 ) {} else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2310 version( AsmX86_Posix ) {} else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2311 version( AsmPPC_Posix ) {} else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2312 version( LLVM_AsmX86_Win32 ) {} else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2313 version( LLVM_AsmX86_Posix ) {} else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2314 //TODO: Enable when x86-64 Posix supports fibers

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2315 //version( LLVM_AsmX86_64_Posix ) {} else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2316 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2317 // NOTE: The ucontext implementation requires architecture specific

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2318 // data definitions to operate so testing for it must be done

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2319 // by checking for the existence of ucontext_t rather than by

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2320 // a version identifier. Please note that this is considered

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2321 // an obsolescent feature according to the POSIX spec, so a

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2322 // custom solution is still preferred.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2323 import stdc.posix.ucontext;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2324 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2325 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2326

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2327 const size_t PAGESIZE;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2328 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2329

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2330

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2331 static this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2332 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2333 static if( is( typeof( GetSystemInfo ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2334 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2335 SYSTEM_INFO info;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2336 GetSystemInfo( &info );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2337

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2338 PAGESIZE = info.dwPageSize;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2339 assert( PAGESIZE < int.max );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2340 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2341 else static if( is( typeof( sysconf ) ) &&

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2342 is( typeof( _SC_PAGESIZE ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2343 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2344 PAGESIZE = cast(size_t) sysconf( _SC_PAGESIZE );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2345 assert( PAGESIZE < int.max );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2346 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2347 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2348 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2349 version( PPC )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2350 PAGESIZE = 8192;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2351 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2352 PAGESIZE = 4096;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2353 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2354 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2355

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2356

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2357 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2358 // Fiber Entry Point and Context Switch

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2359 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2360

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2361

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2362 private

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2363 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2364 extern (C) void fiber_entryPoint()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2365 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2366 Fiber obj = Fiber.getThis();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2367 assert( obj );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2368

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2369 assert( Thread.getThis().m_curr is obj.m_ctxt );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2370 volatile Thread.getThis().m_lock = false;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2371 obj.m_ctxt.tstack = obj.m_ctxt.bstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2372 obj.m_state = Fiber.State.EXEC;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2373

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2374 try

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2375 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2376 obj.run();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2377 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2378 catch( Object o )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2379 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2380 obj.m_unhandled = o;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2381 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2382

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2383 static if( is( ucontext_t ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2384 obj.m_ucur = &obj.m_utxt;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2385

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2386 obj.m_state = Fiber.State.TERM;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2387 obj.switchOut();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2388 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2389

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2390

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2391 // NOTE: If AsmPPC_Posix is defined then the context switch routine will

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2392 // be defined externally until GDC supports inline PPC ASM.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2393 version( AsmPPC_Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2394 extern (C) void fiber_switchContext( void** oldp, void* newp );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2395 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2396 extern (C) void fiber_switchContext( void** oldp, void* newp )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2397 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2398 // NOTE: The data pushed and popped in this routine must match the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2399 // default stack created by Fiber.initStack or the initial

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2400 // switch into a new context will fail.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2401

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2402 version( AsmX86_Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2403 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2404 asm

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2405 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2406 naked;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2407

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2408 // save current stack state

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2409 push EBP;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2410 mov EBP, ESP;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2411 push EAX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2412 push dword ptr FS:[0];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2413 push dword ptr FS:[4];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2414 push dword ptr FS:[8];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2415 push EBX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2416 push ESI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2417 push EDI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2418

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2419 // store oldp again with more accurate address

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2420 mov EAX, dword ptr 8[EBP];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2421 mov [EAX], ESP;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2422 // load newp to begin context switch

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2423 mov ESP, dword ptr 12[EBP];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2424

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2425 // load saved state from new stack

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2426 pop EDI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2427 pop ESI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2428 pop EBX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2429 pop dword ptr FS:[8];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2430 pop dword ptr FS:[4];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2431 pop dword ptr FS:[0];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2432 pop EAX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2433 pop EBP;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2434

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2435 // 'return' to complete switch

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2436 ret;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2437 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2438 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2439 else version( AsmX86_Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2440 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2441 asm

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2442 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2443 naked;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2444

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2445 // save current stack state

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2446 push EBP;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2447 mov EBP, ESP;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2448 push EAX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2449 push EBX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2450 push ESI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2451 push EDI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2452

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2453 // store oldp again with more accurate address

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2454 mov EAX, dword ptr 8[EBP];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2455 mov [EAX], ESP;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2456 // load newp to begin context switch

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2457 mov ESP, dword ptr 12[EBP];

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2458

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2459 // load saved state from new stack

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2460 pop EDI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2461 pop ESI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2462 pop EBX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2463 pop EAX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2464 pop EBP;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2465

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2466 // 'return' to complete switch

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2467 ret;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2468 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2469 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2470 else version( LLVM_AsmX86_Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2471 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2472 asm

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2473 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2474 // clobber registers to save

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2475 inc EBX;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2476 inc ESI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2477 inc EDI;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2478

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2479 // store oldp again with more acc

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2480 mov EAX, oldp;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2481 mov [EAX], ESP;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2482 // load newp to begin context swi

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2483 mov ESP, newp;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2484 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2485 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2486 /+

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2487 version( LLVM_AsmX86_64_Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2488 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2489 //TODO: Fiber implementation here

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2490 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2491 +/

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2492 else static if( is( ucontext_t ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2493 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2494 Fiber cfib = Fiber.getThis();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2495 void* ucur = cfib.m_ucur;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2496

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2497 *oldp = &ucur;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2498 swapcontext( **(cast(ucontext_t***) oldp),

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2499 *(cast(ucontext_t**) newp) );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2500 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2501 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2502 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2503

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2504

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2505 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2506 // Fiber

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2507 ///////////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2508

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2509

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2510 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2511 * This class provides a cooperative concurrency mechanism integrated with the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2512 * threading and garbage collection functionality. Calling a fiber may be

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2513 * considered a blocking operation that returns when the fiber yields (via

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2514 * Fiber.yield()). Execution occurs within the context of the calling thread

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2515 * so synchronization is not necessary to guarantee memory visibility so long

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2516 * as the same thread calls the fiber each time. Please note that there is no

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2517 * requirement that a fiber be bound to one specific thread. Rather, fibers

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2518 * may be freely passed between threads so long as they are not currently

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2519 * executing. Like threads, a new fiber thread may be created using either

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2520 * derivation or composition, as in the following example.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2521 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2522 * Example:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2523 * ----------------------------------------------------------------------

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2524 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2525 * class DerivedFiber : Fiber

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2526 * {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2527 * this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2528 * {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2529 * super( &run );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2530 * }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2531 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2532 * private :

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2533 * void run()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2534 * {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2535 * printf( "Derived fiber running.\n" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2536 * }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2537 * }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2538 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2539 * void fiberFunc()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2540 * {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2541 * printf( "Composed fiber running.\n" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2542 * Fiber.yield();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2543 * printf( "Composed fiber running.\n" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2544 * }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2545 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2546 * // create instances of each type

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2547 * Fiber derived = new DerivedFiber();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2548 * Fiber composed = new Fiber( &fiberFunc );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2549 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2550 * // call both fibers once

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2551 * derived.call();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2552 * composed.call();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2553 * printf( "Execution returned to calling context.\n" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2554 * composed.call();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2555 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2556 * // since each fiber has run to completion, each should have state TERM

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2557 * assert( derived.state == Fiber.State.TERM );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2558 * assert( composed.state == Fiber.State.TERM );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2559 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2560 * ----------------------------------------------------------------------

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2561 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2562 * Authors: Based on a design by Mikola Lysenko.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2563 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2564 class Fiber

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2565 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2566 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2567 // Initialization

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2568 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2569

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2570

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2571 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2572 * Initializes a fiber object which is associated with a static

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2573 * D function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2574 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2575 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2576 * fn = The thread function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2577 * sz = The stack size for this fiber.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2578 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2579 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2580 * fn must not be null.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2581 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2582 this( void function() fn, size_t sz = PAGESIZE )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2583 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2584 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2585 assert( fn );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2586 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2587 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2588 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2589 m_fn = fn;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2590 m_call = Call.FN;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2591 m_state = State.HOLD;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2592 allocStack( sz );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2593 initStack();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2594 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2595

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2596

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2597 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2598 * Initializes a fiber object which is associated with a dynamic

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2599 * D function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2600 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2601 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2602 * dg = The thread function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2603 * sz = The stack size for this fiber.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2604 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2605 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2606 * dg must not be null.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2607 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2608 this( void delegate() dg, size_t sz = PAGESIZE )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2609 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2610 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2611 assert( dg );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2612 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2613 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2614 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2615 m_dg = dg;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2616 m_call = Call.DG;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2617 m_state = State.HOLD;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2618 allocStack( sz );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2619 initStack();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2620 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2621

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2622

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2623 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2624 * Cleans up any remaining resources used by this object.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2625 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2626 ~this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2627 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2628 // NOTE: A live reference to this object will exist on its associated

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2629 // stack from the first time its call() method has been called

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2630 // until its execution completes with State.TERM. Thus, the only

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2631 // times this dtor should be called are either if the fiber has

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2632 // terminated (and therefore has no active stack) or if the user

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2633 // explicitly deletes this object. The latter case is an error

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2634 // but is not easily tested for, since State.HOLD may imply that

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2635 // the fiber was just created but has never been run. There is

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2636 // not a compelling case to create a State.INIT just to offer a

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2637 // means of ensuring the user isn't violating this object's

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2638 // contract, so for now this requirement will be enforced by

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2639 // documentation only.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2640 freeStack();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2641 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2642

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2643

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2644 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2645 // General Actions

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2646 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2647

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2648

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2649 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2650 * Transfers execution to this fiber object. The calling context will be

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2651 * suspended until the fiber calls Fiber.yield() or until it terminates

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2652 * via an unhandled exception.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2653 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2654 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2655 * rethrow = Rethrow any unhandled exception which may have caused this

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2656 * fiber to terminate.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2657 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2658 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2659 * This fiber must be in state HOLD.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2660 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2661 * Throws:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2662 * Any exception not handled by the joined thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2663 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2664 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2665 * Any exception not handled by this fiber if rethrow = false, null

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2666 * otherwise.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2667 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2668 final Object call( bool rethrow = true )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2669 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2670 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2671 assert( m_state == State.HOLD );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2672 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2673 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2674 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2675 Fiber cur = getThis();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2676

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2677 static if( is( ucontext_t ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2678 m_ucur = cur ? &cur.m_utxt : &Fiber.sm_utxt;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2679

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2680 setThis( this );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2681 this.switchIn();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2682 setThis( cur );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2683

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2684 static if( is( ucontext_t ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2685 m_ucur = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2686

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2687 // NOTE: If the fiber has terminated then the stack pointers must be

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2688 // reset. This ensures that the stack for this fiber is not

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2689 // scanned if the fiber has terminated. This is necessary to

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2690 // prevent any references lingering on the stack from delaying

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2691 // the collection of otherwise dead objects. The most notable

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2692 // being the current object, which is referenced at the top of

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2693 // fiber_entryPoint.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2694 if( m_state == State.TERM )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2695 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2696 m_ctxt.tstack = m_ctxt.bstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2697 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2698 if( m_unhandled )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2699 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2700 Object obj = m_unhandled;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2701 m_unhandled = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2702 if( rethrow )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2703 throw obj;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2704 return obj;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2705 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2706 return null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2707 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2708

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2709

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2710 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2711 * Resets this fiber so that it may be re-used. This routine may only be

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2712 * called for fibers that have terminated, as doing otherwise could result

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2713 * in scope-dependent functionality that is not executed. Stack-based

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2714 * classes, for example, may not be cleaned up properly if a fiber is reset

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2715 * before it has terminated.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2716 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2717 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2718 * This fiber must be in state TERM.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2719 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2720 final void reset()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2721 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2722 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2723 assert( m_state == State.TERM );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2724 assert( m_ctxt.tstack == m_ctxt.bstack );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2725 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2726 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2727 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2728 m_state = State.HOLD;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2729 initStack();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2730 m_unhandled = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2731 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2732

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2733

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2734 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2735 // General Properties

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2736 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2737

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2738

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2739 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2740 * A fiber may occupy one of three states: HOLD, EXEC, and TERM. The HOLD

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2741 * state applies to any fiber that is suspended and ready to be called.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2742 * The EXEC state will be set for any fiber that is currently executing.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2743 * And the TERM state is set when a fiber terminates. Once a fiber

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2744 * terminates, it must be reset before it may be called again.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2745 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2746 enum State

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2747 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2748 HOLD, ///

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2749 EXEC, ///

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2750 TERM ///

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2751 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2752

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2753

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2754 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2755 * Gets the current state of this fiber.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2756 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2757 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2758 * The state of this fiber as an enumerated value.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2759 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2760 final State state()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2761 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2762 return m_state;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2763 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2764

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2765

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2766 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2767 // Actions on Calling Fiber

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2768 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2769

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2770

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2771 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2772 * Forces a context switch to occur away from the calling fiber.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2773 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2774 static void yield()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2775 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2776 Fiber cur = getThis();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2777 assert( cur, "Fiber.yield() called with no active fiber" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2778 assert( cur.m_state == State.EXEC );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2779

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2780 static if( is( ucontext_t ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2781 cur.m_ucur = &cur.m_utxt;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2782

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2783 cur.m_state = State.HOLD;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2784 cur.switchOut();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2785 cur.m_state = State.EXEC;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2786 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2787

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2788

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2789 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2790 * Forces a context switch to occur away from the calling fiber and then

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2791 * throws obj in the calling fiber.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2792 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2793 * Params:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2794 * obj = The object to throw.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2795 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2796 * In:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2797 * obj must not be null.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2798 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2799 static void yieldAndThrow( Object obj )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2800 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2801 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2802 assert( obj );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2803 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2804 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2805 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2806 Fiber cur = getThis();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2807 assert( cur, "Fiber.yield() called with no active fiber" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2808 assert( cur.m_state == State.EXEC );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2809

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2810 static if( is( ucontext_t ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2811 cur.m_ucur = &cur.m_utxt;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2812

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2813 cur.m_unhandled = obj;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2814 cur.m_state = State.HOLD;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2815 cur.switchOut();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2816 cur.m_state = State.EXEC;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2817 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2818

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2819

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2820 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2821 // Fiber Accessors

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2822 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2823

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2824

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2825 /**

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2826 * Provides a reference to the calling fiber or null if no fiber is

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2827 * currently active.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2828 *

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2829 * Returns:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2830 * The fiber object representing the calling fiber or null if no fiber

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2831 * is currently active. The result of deleting this object is undefined.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2832 */

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2833 static Fiber getThis()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2834 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2835 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2836 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2837 return cast(Fiber) TlsGetValue( sm_this );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2838 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2839 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2840 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2841 return cast(Fiber) pthread_getspecific( sm_this );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2842 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2843 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2844

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2845

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2846 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2847 // Static Initialization

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2848 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2849

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2850

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2851 static this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2852 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2853 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2854 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2855 sm_this = TlsAlloc();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2856 assert( sm_this != TLS_OUT_OF_INDEXES );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2857 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2858 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2859 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2860 int status;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2861

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2862 status = pthread_key_create( &sm_this, null );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2863 assert( status == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2864

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2865 static if( is( ucontext_t ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2866 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2867 status = getcontext( &sm_utxt );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2868 assert( status == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2869 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2870 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2871 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2872

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2873

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2874 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2875 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2876 // Initializes a fiber object which has no associated executable function.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2877 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2878 this()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2879 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2880 m_call = Call.NO;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2881 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2882

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2883

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2884 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2885 // Fiber entry point. Invokes the function or delegate passed on

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2886 // construction (if any).

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2887 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2888 final void run()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2889 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2890 switch( m_call )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2891 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2892 case Call.FN:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2893 m_fn();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2894 break;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2895 case Call.DG:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2896 m_dg();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2897 break;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2898 default:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2899 break;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2900 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2901 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2902

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2903

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2904 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2905 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2906 // The type of routine passed on fiber construction.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2907 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2908 enum Call

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2909 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2910 NO,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2911 FN,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2912 DG

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2913 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2914

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2915

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2916 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2917 // Standard fiber data

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2918 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2919 Call m_call;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2920 union

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2921 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2922 void function() m_fn;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2923 void delegate() m_dg;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2924 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2925 bool m_isRunning;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2926 Object m_unhandled;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2927 State m_state;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2928

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2929

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2930 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2931 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2932 // Stack Management

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2933 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2934

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2935

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2936 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2937 // Allocate a new stack for this fiber.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2938 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2939 final void allocStack( size_t sz )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2940 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2941 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2942 assert( !m_pmem && !m_ctxt );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2943 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2944 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2945 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2946 // adjust alloc size to a multiple of PAGESIZE

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2947 sz += PAGESIZE - 1;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2948 sz -= sz % PAGESIZE;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2949

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2950 // NOTE: This instance of Thread.Context is dynamic so Fiber objects

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2951 // can be collected by the GC so long as no user level references

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2952 // to the object exist. If m_ctxt were not dynamic then its

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2953 // presence in the global context list would be enough to keep

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2954 // this object alive indefinitely. An alternative to allocating

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2955 // room for this struct explicitly would be to mash it into the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2956 // base of the stack being allocated below. However, doing so

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2957 // requires too much special logic to be worthwhile.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2958 m_ctxt = new Thread.Context;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2959

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2960 static if( is( typeof( VirtualAlloc ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2961 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2962 // reserve memory for stack

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2963 m_pmem = VirtualAlloc( null,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2964 sz + PAGESIZE,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2965 MEM_RESERVE,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2966 PAGE_NOACCESS );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2967 if( !m_pmem )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2968 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2969 throw new FiberException( "Unable to reserve memory for stack" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2970 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2971

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2972 version( StackGrowsDown )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2973 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2974 void* stack = m_pmem + PAGESIZE;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2975 void* guard = m_pmem;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2976 void* pbase = stack + sz;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2977 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2978 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2979 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2980 void* stack = m_pmem;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2981 void* guard = m_pmem + sz;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2982 void* pbase = stack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2983 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2984

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2985 // allocate reserved stack segment

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2986 stack = VirtualAlloc( stack,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2987 sz,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2988 MEM_COMMIT,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2989 PAGE_READWRITE );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2990 if( !stack )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2991 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2992 throw new FiberException( "Unable to allocate memory for stack" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2993 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2994

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2995 // allocate reserved guard page

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2996 guard = VirtualAlloc( guard,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2997 PAGESIZE,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2998 MEM_COMMIT,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

2999 PAGE_READWRITE | PAGE_GUARD );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3000 if( !guard )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3001 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3002 throw new FiberException( "Unable to create guard page for stack" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3003 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3004

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3005 m_ctxt.bstack = pbase;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3006 m_ctxt.tstack = pbase;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3007 m_size = sz;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3008 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3009 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3010 { static if( is( typeof( mmap ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3011 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3012 m_pmem = mmap( null,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3013 sz,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3014 PROT_READ | PROT_WRITE,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3015 MAP_PRIVATE | MAP_ANON,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3016 -1,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3017 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3018 if( m_pmem == MAP_FAILED )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3019 m_pmem = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3020 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3021 else static if( is( typeof( valloc ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3022 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3023 m_pmem = valloc( sz );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3024 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3025 else static if( is( typeof( malloc ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3026 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3027 m_pmem = malloc( sz );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3028 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3029 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3030 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3031 m_pmem = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3032 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3033

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3034 if( !m_pmem )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3035 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3036 throw new FiberException( "Unable to allocate memory for stack" );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3037 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3038

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3039 version( StackGrowsDown )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3040 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3041 m_ctxt.bstack = m_pmem + sz;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3042 m_ctxt.tstack = m_pmem + sz;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3043 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3044 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3045 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3046 m_ctxt.bstack = m_pmem;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3047 m_ctxt.tstack = m_pmem;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3048 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3049 m_size = sz;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3050 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3051

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3052 Thread.add( m_ctxt );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3053 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3054

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3055

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3056 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3057 // Free this fiber's stack.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3058 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3059 final void freeStack()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3060 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3061 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3062 assert( m_pmem && m_ctxt );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3063 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3064 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3065 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3066 // NOTE: Since this routine is only ever expected to be called from

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3067 // the dtor, pointers to freed data are not set to null.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3068

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3069 // NOTE: m_ctxt is guaranteed to be alive because it is held in the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3070 // global context list.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3071 Thread.remove( m_ctxt );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3072

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3073 static if( is( typeof( VirtualAlloc ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3074 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3075 VirtualFree( m_pmem, 0, MEM_RELEASE );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3076 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3077 else static if( is( typeof( mmap ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3078 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3079 munmap( m_pmem, m_size );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3080 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3081 else static if( is( typeof( valloc ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3082 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3083 free( m_pmem );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3084 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3085 else static if( is( typeof( malloc ) ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3086 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3087 free( m_pmem );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3088 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3089 delete m_ctxt;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3090 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3091

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3092

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3093 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3094 // Initialize the allocated stack.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3095 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3096 final void initStack()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3097 in

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3098 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3099 assert( m_ctxt.tstack && m_ctxt.tstack == m_ctxt.bstack );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3100 assert( cast(size_t) m_ctxt.bstack % (void*).sizeof == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3101 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3102 body

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3103 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3104 void* pstack = m_ctxt.tstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3105 scope( exit ) m_ctxt.tstack = pstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3106

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3107 void push( size_t val )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3108 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3109 version( StackGrowsDown )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3110 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3111 pstack -= size_t.sizeof;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3112 *(cast(size_t*) pstack) = val;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3113 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3114 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3115 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3116 pstack += size_t.sizeof;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3117 *(cast(size_t*) pstack) = val;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3118 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3119 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3120

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3121 // NOTE: On OS X the stack must be 16-byte aligned according to the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3122 // IA-32 call spec.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3123 version( darwin )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3124 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3125 pstack = cast(void*)(cast(uint)(pstack) - (cast(uint)(pstack) & 0x0F));

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3126 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3127

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3128 version( AsmX86_Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3129 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3130 push( cast(size_t) &fiber_entryPoint ); // EIP

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3131 push( 0xFFFFFFFF ); // EBP

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3132 push( 0x00000000 ); // EAX

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3133 push( 0xFFFFFFFF ); // FS:[0]

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3134 version( StackGrowsDown )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3135 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3136 push( cast(size_t) m_ctxt.bstack ); // FS:[4]

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3137 push( cast(size_t) m_ctxt.bstack - m_size ); // FS:[8]

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3138 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3139 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3140 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3141 push( cast(size_t) m_ctxt.bstack ); // FS:[4]

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3142 push( cast(size_t) m_ctxt.bstack + m_size ); // FS:[8]

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3143 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3144 push( 0x00000000 ); // EBX

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3145 push( 0x00000000 ); // ESI

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3146 push( 0x00000000 ); // EDI

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3147 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3148 else version( AsmX86_Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3149 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3150 push( cast(size_t) &fiber_entryPoint ); // EIP

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3151 push( 0x00000000 ); // EBP

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3152 push( 0x00000000 ); // EAX

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3153 push( 0x00000000 ); // EBX

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3154 push( 0x00000000 ); // ESI

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3155 push( 0x00000000 ); // EDI

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3156 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3157 else version( LLVM_AsmX86_Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3158 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3159 push( cast(size_t) &fiber_entryPoint ); // EIP

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3160 push( 0x00000000 ); // newp

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3161 push( 0x00000000 ); // oldp

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3162 push( 0x00000000 ); // EBP

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3163 push( 0x00000000 ); // EBX

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3164 push( 0x00000000 ); // ESI

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3165 push( 0x00000000 ); // EDI

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3166 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3167 //TODO: Implement x86-64 fibers

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3168 /+

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3169 else version( LLVM_AsmX86_Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3170 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3171 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3172 +/

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3173 else version( AsmPPC_Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3174 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3175 version( StackGrowsDown )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3176 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3177 pstack -= int.sizeof * 5;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3178 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3179 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3180 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3181 pstack += int.sizeof * 5;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3182 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3183

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3184 push( cast(size_t) &fiber_entryPoint ); // link register

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3185 push( 0x00000000 ); // control register

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3186 push( 0x00000000 ); // old stack pointer

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3187

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3188 // GPR values

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3189 version( StackGrowsDown )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3190 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3191 pstack -= int.sizeof * 20;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3192 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3193 else

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3194 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3195 pstack += int.sizeof * 20;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3196 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3197

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3198 assert( cast(uint) pstack & 0x0f == 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3199 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3200 else static if( is( ucontext_t ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3201 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3202 getcontext( &m_utxt );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3203 m_utxt.uc_stack.ss_sp = m_ctxt.bstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3204 m_utxt.uc_stack.ss_size = m_size;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3205 makecontext( &m_utxt, &fiber_entryPoint, 0 );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3206 // NOTE: If ucontext is being used then the top of the stack will

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3207 // be a pointer to the ucontext_t struct for that fiber.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3208 push( cast(size_t) &m_utxt );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3209 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3210 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3211

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3212

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3213 Thread.Context* m_ctxt;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3214 size_t m_size;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3215 void* m_pmem;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3216

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3217 static if( is( ucontext_t ) )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3218 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3219 // NOTE: The static ucontext instance is used to represent the context

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3220 // of the main application thread.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3221 static ucontext_t sm_utxt = void;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3222 ucontext_t m_utxt = void;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3223 ucontext_t* m_ucur = null;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3224 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3225

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3226

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3227 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3228 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3229 // Storage of Active Fiber

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3230 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3231

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3232

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3233 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3234 // Sets a thread-local reference to the current fiber object.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3235 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3236 static void setThis( Fiber f )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3237 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3238 version( Win32 )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3239 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3240 TlsSetValue( sm_this, cast(void*) f );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3241 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3242 else version( Posix )

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3243 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3244 pthread_setspecific( sm_this, cast(void*) f );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3245 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3246 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3247

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3248

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3249 static Thread.TLSKey sm_this;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3250

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3251

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3252 private:

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3253 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3254 // Context Switching

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3255 ///////////////////////////////////////////////////////////////////////////

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3256

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3257

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3258 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3259 // Switches into the stack held by this fiber.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3260 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3261 final void switchIn()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3262 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3263 Thread tobj = Thread.getThis();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3264 void** oldp = &tobj.m_curr.tstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3265 void* newp = m_ctxt.tstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3266

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3267 // NOTE: The order of operations here is very important. The current

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3268 // stack top must be stored before m_lock is set, and pushContext

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3269 // must not be called until after m_lock is set. This process

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3270 // is intended to prevent a race condition with the suspend

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3271 // mechanism used for garbage collection. If it is not followed,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3272 // a badly timed collection could cause the GC to scan from the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3273 // bottom of one stack to the top of another, or to miss scanning

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3274 // a stack that still contains valid data. The old stack pointer

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3275 // oldp will be set again before the context switch to guarantee

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3276 // that it points to exactly the correct stack location so the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3277 // successive pop operations will succeed.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3278 *oldp = getStackTop();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3279 volatile tobj.m_lock = true;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3280 tobj.pushContext( m_ctxt );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3281

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3282 fiber_switchContext( oldp, newp );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3283

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3284 // NOTE: As above, these operations must be performed in a strict order

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3285 // to prevent Bad Things from happening.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3286 tobj.popContext();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3287 volatile tobj.m_lock = false;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3288 tobj.m_curr.tstack = tobj.m_curr.bstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3289 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3290

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3291

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3292 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3293 // Switches out of the current stack and into the enclosing stack.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3294 //

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3295 final void switchOut()

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3296 {

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3297 Thread tobj = Thread.getThis();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3298 void** oldp = &m_ctxt.tstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3299 void* newp = tobj.m_curr.within.tstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3300

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3301 // NOTE: The order of operations here is very important. The current

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3302 // stack top must be stored before m_lock is set, and pushContext

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3303 // must not be called until after m_lock is set. This process

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3304 // is intended to prevent a race condition with the suspend

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3305 // mechanism used for garbage collection. If it is not followed,

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3306 // a badly timed collection could cause the GC to scan from the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3307 // bottom of one stack to the top of another, or to miss scanning

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3308 // a stack that still contains valid data. The old stack pointer

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3309 // oldp will be set again before the context switch to guarantee

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3310 // that it points to exactly the correct stack location so the

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3311 // successive pop operations will succeed.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3312 *oldp = getStackTop();

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3313 volatile tobj.m_lock = true;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3314

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3315 fiber_switchContext( oldp, newp );

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3316

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3317 // NOTE: As above, these operations must be performed in a strict order

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3318 // to prevent Bad Things from happening.

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3319 volatile tobj.m_lock = false;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3320 tobj.m_curr.tstack = tobj.m_curr.bstack;

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3321 }

d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.

Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>

parents:

diff changeset

3322 }

Mercurial > projects > ldc

annotate druntime/src/common/core/thread.d @ 759:d3eb054172f9