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

author	Robert Clipsham <robert@octarineparrot.com>
date	Tue, 02 Jun 2009 17:43:06 +0100
parents
children

rev	line source
1458 e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	1 /**
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	2 * The thread module provides support for thread creation and management.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	3 *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	4 * Copyright: Copyright Sean Kelly 2005 - 2009.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	5 * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	6 * Authors: Sean Kelly
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	7 *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	8 * Copyright Sean Kelly 2005 - 2009.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	9 * Distributed under the Boost Software License, Version 1.0.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	10 * (See accompanying file LICENSE_1_0.txt or copy at
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	11 * http://www.boost.org/LICENSE_1_0.txt)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	12 */
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	13 module core.thread;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	14
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	15
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	16 // this should be true for most architectures
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	17 version = StackGrowsDown;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	18
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	19
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	20 ///////////////////////////////////////////////////////////////////////////////
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	21 // Thread and Fiber Exceptions
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	22 ///////////////////////////////////////////////////////////////////////////////
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	23
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	24
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	25 /**
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	26 * Base class for thread exceptions.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	27 */
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	28 class ThreadException : Exception
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	29 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	30 this( string msg )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	31 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	32 super( msg );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	33 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	34 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	35
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	36
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	37 /**
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	38 * Base class for fiber exceptions.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	39 */
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	40 class FiberException : Exception
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	41 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	42 this( string msg )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	43 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	44 super( msg );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	45 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	46 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	47
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	48
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	49 private
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	50 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	51 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	52 // exposed by compiler runtime
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	53 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	54 extern (C) void* rt_stackBottom();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	55 extern (C) void* rt_stackTop();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	56
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	57
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	58 void* getStackBottom()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	59 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	60 return rt_stackBottom();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	61 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	62
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	63
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	64 void* getStackTop()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	65 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	66 version( D_InlineAsm_X86 )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	67 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	68 asm
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	69 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	70 naked;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	71 mov EAX, ESP;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	72 ret;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	73 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	74 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	75 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	76 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	77 return rt_stackTop();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	78 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	79 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	80 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	81
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	82
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	83 ///////////////////////////////////////////////////////////////////////////////
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	84 // Thread Entry Point and Signal Handlers
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	85 ///////////////////////////////////////////////////////////////////////////////
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	86
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	87
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	88 version( Windows )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	89 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	90 private
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	91 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	92 import core.stdc.stdint : uintptr_t; // for _beginthreadex decl below
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	93 import core.sys.windows.windows;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	94
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	95 const DWORD TLS_OUT_OF_INDEXES = 0xFFFFFFFF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	96
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	97 extern (Windows) alias uint function(void*) btex_fptr;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	98 extern (C) uintptr_t _beginthreadex(void, uint, btex_fptr, void, uint, uint*);
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	99
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	100 version( DigitalMars )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	101 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	102 // NOTE: The memory between the addresses of _tlsstart and _tlsend
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	103 // is the storage for thread-local data in D 2.0. Both of
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	104 // these are defined in dm\src\win32\tlsseg.asm by DMC.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	105 extern (C)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	106 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	107 extern __thread int _tlsstart;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	108 extern __thread int _tlsend;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	109 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	110 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	111 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	112 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	113 __gshared int _tlsstart;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	114 alias _tlsstart _tlsend;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	115 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	116
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	117
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	118 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	119 // entry point for Windows threads
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	120 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	121 extern (Windows) uint thread_entryPoint( void* arg )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	122 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	123 Thread obj = cast(Thread) arg;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	124 assert( obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	125 scope( exit ) Thread.remove( obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	126
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	127 assert( obj.m_curr is &obj.m_main );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	128 obj.m_main.bstack = getStackBottom();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	129 obj.m_main.tstack = obj.m_main.bstack;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	130 Thread.add( &obj.m_main );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	131 Thread.setThis( obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	132
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	133 void* pstart = cast(void*) &_tlsstart;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	134 void* pend = cast(void*) &_tlsend;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	135 obj.m_tls = pstart[0 .. pend - pstart];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	136
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	137 // NOTE: No GC allocations may occur until the stack pointers have
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	138 // been set and Thread.getThis returns a valid reference to
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	139 // this thread object (this latter condition is not strictly
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	140 // necessary on Windows but it should be followed for the
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	141 // sake of consistency).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	142
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	143 // TODO: Consider putting an auto exception object here (using
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	144 // alloca) forOutOfMemoryError plus something to track
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	145 // whether an exception is in-flight?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	146
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	147 try
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	148 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	149 obj.run();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	150 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	151 catch( Object o )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	152 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	153 obj.m_unhandled = o;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	154 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	155 return 0;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	156 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	157
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	158
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	159 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	160 // copy of the same-named function in phobos.std.thread--it uses the
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	161 // Windows naming convention to be consistent with GetCurrentThreadId
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	162 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	163 HANDLE GetCurrentThreadHandle()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	164 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	165 const uint DUPLICATE_SAME_ACCESS = 0x00000002;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	166
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	167 HANDLE curr = GetCurrentThread(),
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	168 proc = GetCurrentProcess(),
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	169 hndl;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	170
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	171 DuplicateHandle( proc, curr, proc, &hndl, 0, TRUE, DUPLICATE_SAME_ACCESS );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	172 return hndl;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	173 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	174 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	175 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	176 else version( Posix )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	177 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	178 private
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	179 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	180 import core.sys.posix.semaphore;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	181 import core.sys.posix.pthread;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	182 import core.sys.posix.signal;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	183 import core.sys.posix.time;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	184 import core.stdc.errno;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	185
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	186 extern (C) int getErrno();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	187
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	188 version( OSX )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	189 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	190 import core.sys.osx.mach.thread_act;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	191 extern (C) mach_port_t pthread_mach_thread_np(pthread_t);
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	192 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	193
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	194 version( GNU )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	195 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	196 import gcc.builtins;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	197 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	198
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	199 version( DigitalMars )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	200 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	201 version( linux )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	202 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	203 extern (C)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	204 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	205 extern __thread int _tlsstart;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	206 extern __thread int _tlsend;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	207 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	208 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	209 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	210 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	211 __gshared int _tlsstart;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	212 alias _tlsstart _tlsend;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	213 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	214 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	215 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	216 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	217 __gshared int _tlsstart;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	218 alias _tlsstart _tlsend;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	219 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	220
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	221
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	222 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	223 // entry point for POSIX threads
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	224 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	225 extern (C) void* thread_entryPoint( void* arg )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	226 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	227 Thread obj = cast(Thread) arg;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	228 assert( obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	229 scope( exit )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	230 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	231 // NOTE: isRunning should be set to false after the thread is
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	232 // removed or a double-removal could occur between this
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	233 // function and thread_suspendAll.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	234 Thread.remove( obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	235 obj.m_isRunning = false;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	236 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	237
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	238 static extern (C) void thread_cleanupHandler( void* arg )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	239 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	240 Thread obj = cast(Thread) arg;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	241 assert( obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	242
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	243 // NOTE: If the thread terminated abnormally, just set it as
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	244 // not running and let thread_suspendAll remove it from
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	245 // the thread list. This is safer and is consistent
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	246 // with the Windows thread code.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	247 obj.m_isRunning = false;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	248 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	249
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	250 // NOTE: Using void to skip the initialization here relies on
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	251 // knowledge of how pthread_cleanup is implemented. It may
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	252 // not be appropriate for all platforms. However, it does
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	253 // avoid the need to link the pthread module. If any
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	254 // implementation actually requires default initialization
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	255 // then pthread_cleanup should be restructured to maintain
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	256 // the current lack of a link dependency.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	257 version( linux )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	258 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	259 pthread_cleanup cleanup = void;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	260 cleanup.push( &thread_cleanupHandler, cast(void*) obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	261 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	262 else version( OSX )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	263 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	264 pthread_cleanup cleanup = void;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	265 cleanup.push( &thread_cleanupHandler, cast(void*) obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	266 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	267 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	268 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	269 pthread_cleanup_push( &thread_cleanupHandler, cast(void*) obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	270 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	271
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	272 // NOTE: For some reason this does not always work for threads.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	273 //obj.m_main.bstack = getStackBottom();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	274 version( D_InlineAsm_X86 )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	275 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	276 static void* getBasePtr()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	277 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	278 asm
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	279 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	280 naked;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	281 mov EAX, EBP;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	282 ret;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	283 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	284 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	285
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	286 obj.m_main.bstack = getBasePtr();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	287 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	288 else version( StackGrowsDown )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	289 obj.m_main.bstack = &obj + 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	290 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	291 obj.m_main.bstack = &obj;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	292 obj.m_main.tstack = obj.m_main.bstack;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	293 assert( obj.m_curr == &obj.m_main );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	294 Thread.add( &obj.m_main );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	295 Thread.setThis( obj );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	296
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	297 void* pstart = cast(void*) &_tlsstart;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	298 void* pend = cast(void*) &_tlsend;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	299 obj.m_tls = pstart[0 .. pend - pstart];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	300
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	301 // NOTE: No GC allocations may occur until the stack pointers have
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	302 // been set and Thread.getThis returns a valid reference to
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	303 // this thread object (this latter condition is not strictly
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	304 // necessary on Windows but it should be followed for the
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	305 // sake of consistency).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	306
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	307 // TODO: Consider putting an auto exception object here (using
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	308 // alloca) forOutOfMemoryError plus something to track
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	309 // whether an exception is in-flight?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	310
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	311 try
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	312 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	313 obj.run();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	314 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	315 catch( Object o )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	316 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	317 obj.m_unhandled = o;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	318 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	319 return null;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	320 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	321
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	322
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	323 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	324 // used to track the number of suspended threads
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	325 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	326 __gshared sem_t suspendCount;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	327
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	328
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	329 extern (C) void thread_suspendHandler( int sig )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	330 in
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	331 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	332 assert( sig == SIGUSR1 );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	333 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	334 body
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	335 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	336 version( LDC)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	337 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	338 version(X86)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	339 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	340 uint eax,ecx,edx,ebx,ebp,esi,edi;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	341 asm
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	342 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	343 mov eax[EBP], EAX ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	344 mov ecx[EBP], ECX ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	345 mov edx[EBP], EDX ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	346 mov ebx[EBP], EBX ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	347 mov ebp[EBP], EBP ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	348 mov esi[EBP], ESI ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	349 mov edi[EBP], EDI ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	350 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	351 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	352 else version (X86_64)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	353 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	354 ulong rax,rbx,rcx,rdx,rbp,rsi,rdi,rsp,r8,r9,r10,r11,r12,r13,r14,r15;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	355 asm
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	356 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	357 movq rax[RBP], RAX ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	358 movq rbx[RBP], RBX ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	359 movq rcx[RBP], RCX ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	360 movq rdx[RBP], RDX ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	361 movq rbp[RBP], RBP ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	362 movq rsi[RBP], RSI ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	363 movq rdi[RBP], RDI ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	364 movq rsp[RBP], RSP ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	365 movq r8[RBP], R8 ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	366 movq r9[RBP], R9 ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	367 movq r10[RBP], R10 ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	368 movq r11[RBP], R11 ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	369 movq r12[RBP], R12 ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	370 movq r13[RBP], R13 ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	371 movq r14[RBP], R14 ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	372 movq r15[RBP], R15 ;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	373 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	374 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	375 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	376 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	377 static assert( false, "Architecture not supported." );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	378 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	379 } else version( D_InlineAsm_X86 )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	380 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	381 asm
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	382 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	383 pushad;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	384 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	385 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	386 else version( GNU )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	387 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	388 __builtin_unwind_init();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	389 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	390 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	391 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	392 static assert( false, "Architecture not supported." );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	393 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	394
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	395 // NOTE: Since registers are being pushed and popped from the
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	396 // stack, any other stack data used by this function should
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	397 // be gone before the stack cleanup code is called below.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	398 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	399 Thread obj = Thread.getThis();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	400
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	401 // NOTE: The thread reference returned by getThis is set within
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	402 // the thread startup code, so it is possible that this
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	403 // handler may be called before the reference is set. In
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	404 // this case it is safe to simply suspend and not worry
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	405 // about the stack pointers as the thread will not have
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	406 // any references to GC-managed data.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	407 if( obj && !obj.m_lock )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	408 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	409 obj.m_curr.tstack = getStackTop();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	410 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	411
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	412 sigset_t sigres = void;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	413 int status;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	414
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	415 status = sigfillset( &sigres );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	416 assert( status == 0 );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	417
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	418 status = sigdelset( &sigres, SIGUSR2 );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	419 assert( status == 0 );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	420
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	421 status = sem_post( &suspendCount );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	422 assert( status == 0 );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	423
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	424 sigsuspend( &sigres );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	425
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	426 if( obj && !obj.m_lock )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	427 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	428 obj.m_curr.tstack = obj.m_curr.bstack;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	429 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	430 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	431 version( LDC ){}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	432 else version( D_InlineAsm_X86 )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	433 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	434 asm
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	435 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	436 popad;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	437 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	438 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	439 else version( GNU )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	440 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	441 // registers will be popped automatically
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	442 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	443 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	444 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	445 static assert( false, "Architecture not supported." );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	446 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	447 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	448
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	449
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	450 extern (C) void thread_resumeHandler( int sig )
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	451 in
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	452 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	453 assert( sig == SIGUSR2 );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	454 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	455 body
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	456 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	457
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	458 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	459 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	460 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	461 else
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	462 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	463 // NOTE: This is the only place threading versions are checked. If a new
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	464 // version is added, the module code will need to be searched for
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	465 // places where version-specific code may be required. This can be
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	466 // easily accomlished by searching for 'Windows' or 'Posix'.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	467 static assert( false, "Unknown threading implementation." );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	468 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	469
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	470
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	471 ///////////////////////////////////////////////////////////////////////////////
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	472 // Thread
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	473 ///////////////////////////////////////////////////////////////////////////////
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	474
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	475
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	476 /**
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	477 * This class encapsulates all threading functionality for the D
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	478 * programming language. As thread manipulation is a required facility
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	479 * for garbage collection, all user threads should derive from this
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	480 * class, and instances of this class should never be explicitly deleted.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	481 * A new thread may be created using either derivation or composition, as
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	482 * in the following example.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	483 *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	484 * Example:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	485 * ----------------------------------------------------------------------------
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	486 *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	487 * class DerivedThread : Thread
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e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	489 * this()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	490 * {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	491 * super( &run );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	492 * }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	493 *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	494 * private :
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	495 * void run()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	496 * {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	497 * printf( "Derived thread running.\n" );
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	498 * }
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1458

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1 /**

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

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3 *

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4 * Copyright: Copyright Sean Kelly 2005 - 2009.

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5 * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>.

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6 * Authors: Sean Kelly

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7 *

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8 * Copyright Sean Kelly 2005 - 2009.

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9 * Distributed under the Boost Software License, Version 1.0.

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10 * (See accompanying file LICENSE_1_0.txt or copy at

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11 * http://www.boost.org/LICENSE_1_0.txt)

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12 */

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13 module core.thread;

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14

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15

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16 // this should be true for most architectures

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17 version = StackGrowsDown;

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18

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19

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20 ///////////////////////////////////////////////////////////////////////////////

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21 // Thread and Fiber Exceptions

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22 ///////////////////////////////////////////////////////////////////////////////

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23

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24

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25 /**

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26 * Base class for thread exceptions.

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27 */

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28 class ThreadException : Exception

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29 {

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30 this( string msg )

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31 {

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32 super( msg );

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33 }

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34 }

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35

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36

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37 /**

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38 * Base class for fiber exceptions.

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39 */

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40 class FiberException : Exception

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41 {

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42 this( string msg )

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43 {

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44 super( msg );

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45 }

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46 }

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47

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48

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49 private

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50 {

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51 //

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52 // exposed by compiler runtime

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53 //

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54 extern (C) void* rt_stackBottom();

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55 extern (C) void* rt_stackTop();

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56

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57

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58 void* getStackBottom()

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59 {

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60 return rt_stackBottom();

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61 }

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62

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63

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64 void* getStackTop()

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65 {

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66 version( D_InlineAsm_X86 )

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67 {

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68 asm

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69 {

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70 naked;

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71 mov EAX, ESP;

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72 ret;

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73 }

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74 }

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75 else

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76 {

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77 return rt_stackTop();

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78 }

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79 }

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80 }

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81

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82

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83 ///////////////////////////////////////////////////////////////////////////////

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84 // Thread Entry Point and Signal Handlers

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85 ///////////////////////////////////////////////////////////////////////////////

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86

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87

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88 version( Windows )

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89 {

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90 private

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91 {

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

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93 import core.sys.windows.windows;

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94

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95 const DWORD TLS_OUT_OF_INDEXES = 0xFFFFFFFF;

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96

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

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

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99

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100 version( DigitalMars )

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101 {

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102 // NOTE: The memory between the addresses of _tlsstart and _tlsend

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103 // is the storage for thread-local data in D 2.0. Both of

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104 // these are defined in dm\src\win32\tlsseg.asm by DMC.

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105 extern (C)

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106 {

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107 extern __thread int _tlsstart;

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108 extern __thread int _tlsend;

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109 }

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110 }

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111 else

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112 {

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113 __gshared int _tlsstart;

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114 alias _tlsstart _tlsend;

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115 }

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116

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117

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118 //

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119 // entry point for Windows threads

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120 //

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

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122 {

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123 Thread obj = cast(Thread) arg;

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124 assert( obj );

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

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126

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

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128 obj.m_main.bstack = getStackBottom();

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129 obj.m_main.tstack = obj.m_main.bstack;

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130 Thread.add( &obj.m_main );

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131 Thread.setThis( obj );

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132

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133 void* pstart = cast(void*) &_tlsstart;

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134 void* pend = cast(void*) &_tlsend;

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135 obj.m_tls = pstart[0 .. pend - pstart];

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136

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

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

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

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140 // necessary on Windows but it should be followed for the

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141 // sake of consistency).

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142

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

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144 // alloca) forOutOfMemoryError plus something to track

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145 // whether an exception is in-flight?

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146

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147 try

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148 {

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149 obj.run();

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150 }

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151 catch( Object o )

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152 {

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153 obj.m_unhandled = o;

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154 }

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155 return 0;

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156 }

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157

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158

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159 //

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

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161 // Windows naming convention to be consistent with GetCurrentThreadId

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162 //

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163 HANDLE GetCurrentThreadHandle()

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164 {

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165 const uint DUPLICATE_SAME_ACCESS = 0x00000002;

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166

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167 HANDLE curr = GetCurrentThread(),

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168 proc = GetCurrentProcess(),

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169 hndl;

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170

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

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172 return hndl;

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173 }

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174 }

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175 }

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176 else version( Posix )

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177 {

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178 private

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179 {

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180 import core.sys.posix.semaphore;

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181 import core.sys.posix.pthread;

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182 import core.sys.posix.signal;

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183 import core.sys.posix.time;

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184 import core.stdc.errno;

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185

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186 extern (C) int getErrno();

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187

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188 version( OSX )

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189 {

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190 import core.sys.osx.mach.thread_act;

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191 extern (C) mach_port_t pthread_mach_thread_np(pthread_t);

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192 }

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193

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194 version( GNU )

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195 {

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196 import gcc.builtins;

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197 }

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198

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199 version( DigitalMars )

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200 {

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201 version( linux )

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202 {

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203 extern (C)

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204 {

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205 extern __thread int _tlsstart;

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206 extern __thread int _tlsend;

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207 }

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208 }

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209 else

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210 {

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211 __gshared int _tlsstart;

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212 alias _tlsstart _tlsend;

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213 }

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214 }

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215 else

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216 {

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217 __gshared int _tlsstart;

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218 alias _tlsstart _tlsend;

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219 }

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220

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221

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222 //

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223 // entry point for POSIX threads

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224 //

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

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226 {

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227 Thread obj = cast(Thread) arg;

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228 assert( obj );

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229 scope( exit )

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230 {

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

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

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233 // function and thread_suspendAll.

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234 Thread.remove( obj );

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235 obj.m_isRunning = false;

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236 }

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237

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

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239 {

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240 Thread obj = cast(Thread) arg;

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241 assert( obj );

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242

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

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244 // not running and let thread_suspendAll remove it from

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

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246 // with the Windows thread code.

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247 obj.m_isRunning = false;

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248 }

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249

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

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

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

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

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254 // implementation actually requires default initialization

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255 // then pthread_cleanup should be restructured to maintain

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256 // the current lack of a link dependency.

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257 version( linux )

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258 {

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259 pthread_cleanup cleanup = void;

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

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261 }

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262 else version( OSX )

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263 {

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264 pthread_cleanup cleanup = void;

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

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266 }

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267 else

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268 {

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269 pthread_cleanup_push( &thread_cleanupHandler, cast(void*) obj );

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270 }

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271

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

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

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274 version( D_InlineAsm_X86 )

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275 {

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276 static void* getBasePtr()

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277 {

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278 asm

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279 {

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280 naked;

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281 mov EAX, EBP;

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282 ret;

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283 }

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284 }

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285

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286 obj.m_main.bstack = getBasePtr();

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287 }

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288 else version( StackGrowsDown )

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

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290 else

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291 obj.m_main.bstack = &obj;

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292 obj.m_main.tstack = obj.m_main.bstack;

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

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294 Thread.add( &obj.m_main );

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295 Thread.setThis( obj );

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296

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297 void* pstart = cast(void*) &_tlsstart;

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298 void* pend = cast(void*) &_tlsend;

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299 obj.m_tls = pstart[0 .. pend - pstart];

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300

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

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

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

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304 // necessary on Windows but it should be followed for the

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305 // sake of consistency).

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306

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

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308 // alloca) forOutOfMemoryError plus something to track

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309 // whether an exception is in-flight?

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310

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311 try

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312 {

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313 obj.run();

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314 }

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315 catch( Object o )

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316 {

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317 obj.m_unhandled = o;

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318 }

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319 return null;

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320 }

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321

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322

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323 //

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324 // used to track the number of suspended threads

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325 //

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326 __gshared sem_t suspendCount;

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327

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328

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329 extern (C) void thread_suspendHandler( int sig )

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330 in

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331 {

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332 assert( sig == SIGUSR1 );

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333 }

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334 body

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335 {

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336 version( LDC)

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337 {

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338 version(X86)

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339 {

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

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341 asm

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342 {

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343 mov eax[EBP], EAX ;

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344 mov ecx[EBP], ECX ;

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345 mov edx[EBP], EDX ;

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346 mov ebx[EBP], EBX ;

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347 mov ebp[EBP], EBP ;

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348 mov esi[EBP], ESI ;

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349 mov edi[EBP], EDI ;

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350 }

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351 }

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352 else version (X86_64)

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353 {

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diff changeset

354 ulong rax,rbx,rcx,rdx,rbp,rsi,rdi,rsp,r8,r9,r10,r11,r12,r13,r14,r15;

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355 asm

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356 {

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357 movq rax[RBP], RAX ;

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358 movq rbx[RBP], RBX ;

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359 movq rcx[RBP], RCX ;

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360 movq rdx[RBP], RDX ;

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361 movq rbp[RBP], RBP ;

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362 movq rsi[RBP], RSI ;

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363 movq rdi[RBP], RDI ;

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364 movq rsp[RBP], RSP ;

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365 movq r8[RBP], R8 ;

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366 movq r9[RBP], R9 ;

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367 movq r10[RBP], R10 ;

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368 movq r11[RBP], R11 ;

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369 movq r12[RBP], R12 ;

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370 movq r13[RBP], R13 ;

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371 movq r14[RBP], R14 ;

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372 movq r15[RBP], R15 ;

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373 }

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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 } else version( D_InlineAsm_X86 )

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380 {

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381 asm

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382 {

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383 pushad;

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384 }

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385 }

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386 else version( GNU )

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387 {

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388 __builtin_unwind_init();

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389 }

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390 else

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391 {

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

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393 }

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394

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

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

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

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398 {

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399 Thread obj = Thread.getThis();

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400

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

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

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

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

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

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406 // any references to GC-managed data.

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407 if( obj && !obj.m_lock )

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408 {

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409 obj.m_curr.tstack = getStackTop();

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410 }

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411

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412 sigset_t sigres = void;

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413 int status;

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414

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415 status = sigfillset( &sigres );

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416 assert( status == 0 );

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417

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418 status = sigdelset( &sigres, SIGUSR2 );

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419 assert( status == 0 );

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420

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421 status = sem_post( &suspendCount );

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422 assert( status == 0 );

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423

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424 sigsuspend( &sigres );

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425

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426 if( obj && !obj.m_lock )

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427 {

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428 obj.m_curr.tstack = obj.m_curr.bstack;

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429 }

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430 }

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431 version( LDC ){}

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432 else version( D_InlineAsm_X86 )

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433 {

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434 asm

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435 {

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436 popad;

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437 }

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438 }

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439 else version( GNU )

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440 {

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441 // registers will be popped automatically

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442 }

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443 else

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444 {

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

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446 }

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447 }

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448

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449

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450 extern (C) void thread_resumeHandler( int sig )

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451 in

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452 {

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453 assert( sig == SIGUSR2 );

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454 }

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455 body

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456 {

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457

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458 }

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459 }

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460 }

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461 else

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462 {

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diff changeset

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

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

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

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diff changeset

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

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diff changeset

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

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468 }

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469

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470

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471 ///////////////////////////////////////////////////////////////////////////////

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472 // Thread

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473 ///////////////////////////////////////////////////////////////////////////////

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474

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475

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476 /**

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477 * This class encapsulates all threading functionality for the D

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

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

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diff changeset

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

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

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diff changeset

482 * in the following example.

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483 *

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484 * Example:

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485 * ----------------------------------------------------------------------------

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486 *

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487 * class DerivedThread : Thread

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488 * {

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489 * this()

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490 * {

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491 * super( &run );

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492 * }

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493 *

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494 * private :

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495 * void run()

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496 * {

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

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498 * }

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499 * }

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500 *

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501 * void threadFunc()

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502 * {

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

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504 * }

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505 *

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506 * // create instances of each type

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507 * Thread derived = new DerivedThread();

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

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509 *

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510 * // start both threads

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511 * derived.start();

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512 * composed.start();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

513 *

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

514 * ----------------------------------------------------------------------------

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

515 */

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parents:

diff changeset

516 class Thread

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

517 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

518 ///////////////////////////////////////////////////////////////////////////

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

519 // Initialization

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

520 ///////////////////////////////////////////////////////////////////////////

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

521

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

522

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

523 /**

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

525 * D function.

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

526 *

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

527 * Params:

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

528 * fn = The thread function.

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

529 * sz = The stack size for this thread.

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

530 *

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

531 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

532 * fn must not be null.

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

533 */

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

535 in

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

536 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

537 assert( fn );

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

538 }

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

539 body

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

540 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

541 m_fn = fn;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

542 m_sz = sz;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

543 m_call = Call.FN;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

544 m_curr = &m_main;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

545 }

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

546

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

547

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

548 /**

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

550 * D function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

551 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

552 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

553 * dg = The thread function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

554 * sz = The stack size for this thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

555 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

556 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

557 * dg must not be null.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

558 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

560 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

561 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

562 assert( dg );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

563 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

564 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

565 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

566 m_dg = dg;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

567 m_sz = sz;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

568 m_call = Call.DG;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

569 m_curr = &m_main;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

570 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

571

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

572

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

573 /**

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

575 */

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

576 ~this()

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

577 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

578 if( m_addr == m_addr.init )

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

579 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

580 return;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

581 }

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

582

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

583 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

584 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

585 m_addr = m_addr.init;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

586 CloseHandle( m_hndl );

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parents:

diff changeset

587 m_hndl = m_hndl.init;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

588 }

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

589 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

590 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

591 pthread_detach( m_addr );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

592 m_addr = m_addr.init;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

593 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

594 version( OSX )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

595 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

596 m_tmach = m_tmach.init;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

597 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

598 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

599

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

600

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

601 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

602 // General Actions

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

603 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

604

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

605

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

606 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

608 * construction.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

609 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

610 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

612 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

613 * Throws:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

614 * ThreadException if the thread fails to start.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

615 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

616 final void start()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

617 in

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

618 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

619 assert( !next && !prev );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

620 }

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

621 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

622 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

623 auto wasThreaded = multiThreadedFlag;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

624 multiThreadedFlag = true;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

625 scope( failure )

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

626 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

627 if( !wasThreaded )

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

628 multiThreadedFlag = false;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

629 }

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

630

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

631 version( Windows ) {} else

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

632 version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

633 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

634 pthread_attr_t attr;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

635

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

636 if( pthread_attr_init( &attr ) )

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

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parents:

diff changeset

640 if( pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_JOINABLE ) )

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

642 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

643

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

649 synchronized( slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

650 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

651 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

652 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

656 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

657 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

658 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

659 m_isRunning = true;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

660 scope( failure ) m_isRunning = false;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

661

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

664 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

665 version( OSX )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

666 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

667 m_tmach = pthread_mach_thread_np( m_addr );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

668 if( m_tmach == m_tmach.init )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

670 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

671 add( this );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

672 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

673 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

674

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

675

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

676 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

679 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

680 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

682 * thread to terminate.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

683 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

684 * Throws:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

685 * ThreadException if the operation fails.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

686 * Any exception not handled by the joined thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

687 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

688 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

690 * otherwise.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

691 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

692 final Object join( bool rethrow = true )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

693 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

694 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

695 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

700 // volatile to prevent compiler reordering.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

701 volatile m_addr = m_addr.init;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

702 CloseHandle( m_hndl );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

703 m_hndl = m_hndl.init;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

704 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

705 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

706 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

712 // on object destruction.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

713 volatile m_addr = m_addr.init;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

714 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

715 if( m_unhandled )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

716 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

717 if( rethrow )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

718 throw m_unhandled;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

719 return m_unhandled;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

720 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

721 return null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

722 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

723

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

724

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

725 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

726 // General Properties

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

727 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

728

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

729

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

730 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

732 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

733 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

734 * The name of this thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

735 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

736 final char[] name()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

737 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

738 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

739 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

740 return m_name;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

741 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

742 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

743

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

744

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

745 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

747 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

748 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

749 * val = The new name of this thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

750 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

751 final void name( char[] val )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

752 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

753 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

754 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

755 m_name = val.dup;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

756 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

757 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

758

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

759

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

760 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

765 * automatically by the OS when the process exits.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

766 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

767 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

768 * true if this is a daemon thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

769 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

770 final bool isDaemon()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

771 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

772 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

773 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

774 return m_isDaemon;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

775 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

776 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

777

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

778

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

779 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

784 * automatically by the OS when the process exits.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

785 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

786 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

788 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

789 final void isDaemon( bool val )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

790 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

791 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

792 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

793 m_isDaemon = val;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

794 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

795 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

796

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

797

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

798 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

799 * Tests whether this thread is running.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

800 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

801 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

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

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

803 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

804 final bool isRunning()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

805 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

806 if( m_addr == m_addr.init )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

807 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

808 return false;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

809 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

810

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

811 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

812 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

813 uint ecode = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

814 GetExitCodeThread( m_hndl, &ecode );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

815 return ecode == STILL_ACTIVE;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

816 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

817 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

818 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

819 // NOTE: It should be safe to access this value without

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

820 // memory barriers because word-tearing and such

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

821 // really isn't an issue for boolean values.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

822 return m_isRunning;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

823 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

824 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

825

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

826

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

827 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

828 // Thread Priority Actions

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

829 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

830

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

831

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

832 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

833 * The minimum scheduling priority that may be set for a thread. On

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

834 * systems where multiple scheduling policies are defined, this value

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

835 * represents the minimum valid priority for the scheduling policy of

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

836 * the process.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

837 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

838 static const int PRIORITY_MIN;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

839

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

840

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

841 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

842 * The maximum scheduling priority that may be set for a thread. On

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

843 * systems where multiple scheduling policies are defined, this value

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

844 * represents the minimum valid priority for the scheduling policy of

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

845 * the process.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

846 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

847 static const int PRIORITY_MAX;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

848

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

849

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

850 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

851 * Gets the scheduling priority for the associated thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

852 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

853 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

854 * The scheduling priority of this thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

855 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

856 final int priority()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

857 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

858 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

859 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

860 return GetThreadPriority( m_hndl );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

861 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

862 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

863 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

864 int policy;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

865 sched_param param;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

866

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

867 if( pthread_getschedparam( m_addr, &policy, &param ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

868 throw new ThreadException( "Unable to get thread priority" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

869 return param.sched_priority;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

870 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

871 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

872

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

873

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

874 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

875 * Sets the scheduling priority for the associated thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

876 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

877 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

878 * val = The new scheduling priority of this thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

879 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

880 final void priority( int val )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

881 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

882 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

883 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

884 if( !SetThreadPriority( m_hndl, val ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

885 throw new ThreadException( "Unable to set thread priority" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

886 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

887 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

888 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

889 // NOTE: pthread_setschedprio is not implemented on linux, so use

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

890 // the more complicated get/set sequence below.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

891 //if( pthread_setschedprio( m_addr, val ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

892 // throw new ThreadException( "Unable to set thread priority" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

893

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

894 int policy;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

895 sched_param param;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

896

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

897 if( pthread_getschedparam( m_addr, &policy, &param ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

898 throw new ThreadException( "Unable to set thread priority" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

899 param.sched_priority = val;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

900 if( pthread_setschedparam( m_addr, policy, &param ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

901 throw new ThreadException( "Unable to set thread priority" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

902 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

903 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

904

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

905

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

906 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

907 // Actions on Calling Thread

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

908 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

909

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

910

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

911 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

912 * Suspends the calling thread for at least the supplied period. This may

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

913 * result in multiple OS calls if period is greater than the maximum sleep

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

914 * duration supported by the operating system.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

915 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

916 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

917 * period = The minimum duration the calling thread should be suspended,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

918 * in 100 nanosecond intervals.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

919 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

920 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

921 * period must be non-negative.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

922 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

923 * Example:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

924 * ------------------------------------------------------------------------

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

925 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

926 * Thread.sleep( 500_000 ); // sleep for 50 milliseconds

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

927 * Thread.sleep( 50_000_000 ); // sleep for 5 seconds

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

928 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

929 * ------------------------------------------------------------------------

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

930 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

931 static void sleep( long period )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

932 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

933 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

934 assert( period >= 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

935 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

936 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

937 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

938 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

939 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

940 enum : uint

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

941 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

942 TICKS_PER_MILLI = 10_000,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

943 MAX_SLEEP_MILLIS = uint.max - 1

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

944 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

945

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

946 // NOTE: In instances where all other threads in the process have a

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

947 // lower priority than the current thread, the current thread

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

948 // will not yield with a sleep time of zero. However, unlike

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

949 // yield(), the user is not asking for a yield to occur but

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

950 // only for execution to suspend for the requested interval.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

951 // Therefore, expected performance may not be met if a yield

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

952 // is forced upon the user.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

953 period /= TICKS_PER_MILLI;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

954 while( period > MAX_SLEEP_MILLIS )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

955 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

956 Sleep( MAX_SLEEP_MILLIS );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

957 period -= MAX_SLEEP_MILLIS;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

958 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

959 Sleep( cast(uint) period );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

960 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

961 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

962 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

963 timespec tin = void;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

964 timespec tout = void;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

965

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

966 enum : uint

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

967 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

968 NANOS_PER_TICK = 100,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

969 TICKS_PER_SECOND = 10_000_000,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

970 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

971 enum : typeof(period)

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

972 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

973 MAX_SLEEP_TICKS = cast(typeof(period)) tin.tv_sec.max * TICKS_PER_SECOND

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

974 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

975

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

976 do

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

977 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

978 if( period > MAX_SLEEP_TICKS )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

979 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

980 tin.tv_sec = tin.tv_sec.max;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

981 tin.tv_nsec = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

982 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

983 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

984 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

985 tin.tv_sec = cast(typeof(tin.tv_sec)) (period / TICKS_PER_SECOND);

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

986 tin.tv_nsec = cast(typeof(tin.tv_nsec)) (period % TICKS_PER_SECOND) * NANOS_PER_TICK;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

987 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

988 while( true )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

989 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

990 if( !nanosleep( &tin, &tout ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

991 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

992 if( getErrno() != EINTR )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

993 throw new ThreadException( "Unable to sleep for the specified duration" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

994 tin = tout;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

995 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

996 period -= (cast(typeof(period)) tin.tv_sec) * TICKS_PER_SECOND;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

997 period -= (cast(typeof(period)) tin.tv_nsec) / NANOS_PER_TICK;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

998 } while( period > 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

999 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1000 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1001

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1002

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1003 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1004 * Forces a context switch to occur away from the calling thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1005 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1006 static void yield()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1007 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1008 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1009 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1010 // NOTE: Sleep(1) is necessary because Sleep(0) does not give

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1011 // lower priority threads any timeslice, so looping on

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1012 // Sleep(0) could be resource-intensive in some cases.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1013 Sleep( 1 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1014 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1015 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1016 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1017 sched_yield();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1018 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1019 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1020

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1021

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1022 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1023 // Thread Accessors

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1024 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1025

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1026

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1027 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1028 * Provides a reference to the calling thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1029 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1030 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1031 * The thread object representing the calling thread. The result of

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1032 * deleting this object is undefined.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1033 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1034 static Thread getThis()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1035 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1036 // NOTE: This function may not be called until thread_init has

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1037 // completed. See thread_suspendAll for more information

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1038 // on why this might occur.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1039 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1040 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1041 return cast(Thread) TlsGetValue( sm_this );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1042 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1043 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1044 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1045 return cast(Thread) pthread_getspecific( sm_this );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1046 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1047 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1048

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1049

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1050 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1051 * Provides a list of all threads currently being tracked by the system.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1052 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1053 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1054 * An array containing references to all threads currently being

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1055 * tracked by the system. The result of deleting any contained

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1056 * objects is undefined.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1057 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1058 static Thread[] getAll()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1059 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1060 synchronized( slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1061 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1062 size_t pos = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1063 Thread[] buf = new Thread[sm_tlen];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1064

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1065 foreach( Thread t; Thread )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1066 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1067 buf[pos++] = t;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1068 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1069 return buf;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1070 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1071 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1072

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1073

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1074 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1075 * Operates on all threads currently being tracked by the system. The

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1076 * result of deleting any Thread object is undefined.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1077 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1078 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1079 * dg = The supplied code as a delegate.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1080 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1081 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1082 * Zero if all elemented are visited, nonzero if not.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1083 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1084 static int opApply( int delegate( inout Thread ) dg )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1085 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1086 synchronized( slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1087 {

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1088 int ret = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1089

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1090 for( Thread t = sm_tbeg; t; t = t.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1091 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1092 ret = dg( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1093 if( ret )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1094 break;

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1095 }

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1096 return ret;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1097 }

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1098 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1099

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1100

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1101 ///////////////////////////////////////////////////////////////////////////

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1102 // Local Storage Actions

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1103 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1104

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1105

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1106 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1107 * Indicates the number of local storage pointers available at program

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1108 * startup. It is recommended that this number be at least 64.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1109 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1110 static const uint LOCAL_MAX = 64;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1111

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1112

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1113 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1114 * Reserves a local storage pointer for use and initializes this location

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1115 * to null for all running threads.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1116 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1117 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1118 * A key representing the array offset of this memory location.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1119 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1120 static uint createLocal()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1121 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1122 synchronized( slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1123 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1124 foreach( uint key, inout bool set; sm_local )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1125 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1126 if( !set )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1127 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1128 //foreach( Thread t; sm_tbeg ) Bug in GDC 0.24 SVN (r139)

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1129 for( Thread t = sm_tbeg; t; t = t.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1130 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1131 t.m_local[key] = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1132 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1133 set = true;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1134 return key;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1135 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1136 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1137 throw new ThreadException( "No more local storage slots available" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1138 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1139 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1140

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1141

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1142 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1143 * Marks the supplied key as available and sets the associated location

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1144 * to null for all running threads. It is assumed that any key passed

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1145 * to this function is valid. The result of calling this function for

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1146 * a key which is still in use is undefined.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1147 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1148 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1149 * key = The key to delete.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1150 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1151 static void deleteLocal( uint key )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1152 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1153 synchronized( slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1154 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1155 sm_local[key] = false;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1156 // foreach( Thread t; sm_tbeg ) Bug in GDC 0.24 SVN (r139)

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1157 for( Thread t = sm_tbeg; t; t = t.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1158 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1159 t.m_local[key] = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1160 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1161 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1162 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1163

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1164

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1165 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1166 * Loads the value stored at key within a thread-local static array. It is

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1167 * assumed that any key passed to this function is valid.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1168 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1169 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1170 * key = The location which holds the desired data.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1171 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1172 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1173 * The data associated with the supplied key.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1174 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1175 static void* getLocal( uint key )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1176 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1177 return getThis().m_local[key];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1178 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1179

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1180

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1181 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1182 * Stores the supplied value at key within a thread-local static array. It

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1183 * is assumed that any key passed to this function is valid.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1184 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1185 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1186 * key = The location to store the supplied data.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1187 * val = The data to store.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1188 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1189 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1190 * A copy of the data which has just been stored.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1191 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1192 static void* setLocal( uint key, void* val )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1193 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1194 return getThis().m_local[key] = val;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1195 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1196

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1197

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1198 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1199 // Static Initalizer

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1200 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1201

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1202

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1203 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1204 * This initializer is used to set thread constants. All functional

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1205 * initialization occurs within thread_init().

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1206 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1207 static this()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1208 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1209 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1210 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1211 PRIORITY_MIN = -15;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1212 PRIORITY_MAX = 15;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1213 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1214 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1215 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1216 int policy;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1217 sched_param param;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1218 pthread_t self = pthread_self();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1219

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1220 int status = pthread_getschedparam( self, &policy, &param );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1221 assert( status == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1222

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1223 PRIORITY_MIN = sched_get_priority_min( policy );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1224 assert( PRIORITY_MIN != -1 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1225

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1226 PRIORITY_MAX = sched_get_priority_max( policy );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1227 assert( PRIORITY_MAX != -1 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1228 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1229 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1230

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1231

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1232 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1233 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1234 // Initializes a thread object which has no associated executable function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1235 // This is used for the main thread initialized in thread_init().

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1236 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1237 this()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1238 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1239 m_call = Call.NO;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1240 m_curr = &m_main;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1241

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1242 void* pstart = cast(void*) &_tlsstart;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1243 void* pend = cast(void*) &_tlsend;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1244 m_tls = pstart[0 .. pend - pstart];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1245 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1246

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1247

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1248 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1249 // Thread entry point. Invokes the function or delegate passed on

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1250 // construction (if any).

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1251 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1252 final void run()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1253 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1254 switch( m_call )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1255 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1256 case Call.FN:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1257 m_fn();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1258 break;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1259 case Call.DG:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1260 m_dg();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1261 break;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1262 default:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1263 break;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1264 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1265 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1266

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1267

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1268 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1269 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1270 // The type of routine passed on thread construction.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1271 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1272 enum Call

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1273 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1274 NO,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1275 FN,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1276 DG

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1277 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1278

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1279

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1280 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1281 // Standard types

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1282 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1283 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1284 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1285 alias uint TLSKey;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1286 alias uint ThreadAddr;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1287 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1288 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1289 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1290 alias pthread_key_t TLSKey;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1291 alias pthread_t ThreadAddr;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1292 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1293

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1294

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1295 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1296 // Local storage

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1297 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1298 __gshared bool[LOCAL_MAX] sm_local;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1299 __gshared TLSKey sm_this;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1300

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1301 void*[LOCAL_MAX] m_local;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1302

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1303

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1304 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1305 // Standard thread data

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1306 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1307 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1308 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1309 HANDLE m_hndl;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1310 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1311 else version( OSX )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1312 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1313 mach_port_t m_tmach;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1314 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1315 ThreadAddr m_addr;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1316 Call m_call;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1317 char[] m_name;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1318 union

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1319 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1320 void function() m_fn;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1321 void delegate() m_dg;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1322 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1323 size_t m_sz;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1324 version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1325 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1326 bool m_isRunning;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1327 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1328 bool m_isDaemon;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1329 Object m_unhandled;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1330

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1331

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1332 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1333 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1334 // Storage of Active Thread

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1335 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1336

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1337

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1338 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1339 // Sets a thread-local reference to the current thread object.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1340 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1341 static void setThis( Thread t )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1342 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1343 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1344 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1345 TlsSetValue( sm_this, cast(void*) t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1346 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1347 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1348 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1349 pthread_setspecific( sm_this, cast(void*) t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1350 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1351 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1352

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1353

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1354 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1355 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1356 // Thread Context and GC Scanning Support

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1357 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1358

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1359

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1360 final void pushContext( Context* c )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1361 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1362 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1363 assert( !c.within );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1364 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1365 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1366 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1367 c.within = m_curr;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1368 m_curr = c;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1369 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1370

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1371

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1372 final void popContext()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1373 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1374 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1375 assert( m_curr && m_curr.within );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1376 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1377 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1378 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1379 Context* c = m_curr;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1380 m_curr = c.within;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1381 c.within = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1382 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1383

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1384

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1385 final Context* topContext()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1386 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1387 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1388 assert( m_curr );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1389 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1390 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1391 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1392 return m_curr;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1393 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1394

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1395

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1396 static struct Context

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1397 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1398 void* bstack,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1399 tstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1400 Context* within;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1401 Context* next,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1402 prev;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1403 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1404

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1405

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1406 Context m_main;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1407 Context* m_curr;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1408 bool m_lock;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1409 void[] m_tls; // spans implicit thread local storage

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1410

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1411 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1412 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1413 version( X86 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1414 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1415 uint[8] m_reg; // edi,esi,ebp,esp,ebx,edx,ecx,eax

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1416 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1417 else version( X86_64 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1418 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1419 ulong[16] m_reg; // rdi,rsi,rbp,rsp,rbx,rdx,rcx,rax

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1420 // r8,r9,r10,r11,r12,r13,r14,r15

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1421 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1422 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1423 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1424 static assert( "Architecture not supported." );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1425 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1426 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1427 else version( OSX )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1428 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1429 version( X86 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1430 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1431 uint[8] m_reg; // edi,esi,ebp,esp,ebx,edx,ecx,eax

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1432 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1433 else version( X86_64 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1434 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1435 ulong[16] m_reg; // rdi,rsi,rbp,rsp,rbx,rdx,rcx,rax

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1436 // r8,r9,r10,r11,r12,r13,r14,r15

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1437 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1438 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1439 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1440 static assert( "Architecture not supported." );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1441 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1442 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1443

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1444

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1445 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1446 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1447 // GC Scanning Support

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1448 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1449

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1450

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1451 // NOTE: The GC scanning process works like so:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1452 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1453 // 1. Suspend all threads.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1454 // 2. Scan the stacks of all suspended threads for roots.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1455 // 3. Resume all threads.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1456 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1457 // Step 1 and 3 require a list of all threads in the system, while

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1458 // step 2 requires a list of all thread stacks (each represented by

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1459 // a Context struct). Traditionally, there was one stack per thread

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1460 // and the Context structs were not necessary. However, Fibers have

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1461 // changed things so that each thread has its own 'main' stack plus

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1462 // an arbitrary number of nested stacks (normally referenced via

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1463 // m_curr). Also, there may be 'free-floating' stacks in the system,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1464 // which are Fibers that are not currently executing on any specific

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1465 // thread but are still being processed and still contain valid

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1466 // roots.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1467 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1468 // To support all of this, the Context struct has been created to

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1469 // represent a stack range, and a global list of Context structs has

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1470 // been added to enable scanning of these stack ranges. The lifetime

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1471 // (and presence in the Context list) of a thread's 'main' stack will

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1472 // be equivalent to the thread's lifetime. So the Ccontext will be

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1473 // added to the list on thread entry, and removed from the list on

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1474 // thread exit (which is essentially the same as the presence of a

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1475 // Thread object in its own global list). The lifetime of a Fiber's

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1476 // context, however, will be tied to the lifetime of the Fiber object

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1477 // itself, and Fibers are expected to add/remove their Context struct

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1478 // on construction/deletion.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1479

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1480

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1481 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1482 // All use of the global lists should synchronize on this lock.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1483 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1484 static Object slock()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1485 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1486 return Thread.classinfo;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1487 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1488

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1489

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1490 __gshared

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1491 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1492 Context* sm_cbeg;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1493 size_t sm_clen;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1494

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1495 Thread sm_tbeg;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1496 size_t sm_tlen;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1497 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1498

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1499 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1500 // Used for ordering threads in the global thread list.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1501 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1502 Thread prev;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1503 Thread next;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1504

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1505

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1506 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1507 // Global Context List Operations

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1508 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1509

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1510

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1511 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1512 // Add a context to the global context list.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1513 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1514 static void add( Context* c )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1515 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1516 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1517 assert( c );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1518 assert( !c.next && !c.prev );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1519 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1520 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1521 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1522 synchronized( slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1523 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1524 if( sm_cbeg )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1525 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1526 c.next = sm_cbeg;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1527 sm_cbeg.prev = c;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1528 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1529 sm_cbeg = c;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1530 ++sm_clen;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1531 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1532 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1533

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1534

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1535 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1536 // Remove a context from the global context list.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1537 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1538 static void remove( Context* c )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1539 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1540 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1541 assert( c );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1542 assert( c.next || c.prev );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1543 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1544 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1545 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1546 synchronized( slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1547 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1548 if( c.prev )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1549 c.prev.next = c.next;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1550 if( c.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1551 c.next.prev = c.prev;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1552 if( sm_cbeg == c )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1553 sm_cbeg = c.next;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1554 --sm_clen;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1555 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1556 // NOTE: Don't null out c.next or c.prev because opApply currently

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1557 // follows c.next after removing a node. This could be easily

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1558 // addressed by simply returning the next node from this

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1559 // function, however, a context should never be re-added to the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1560 // list anyway and having next and prev be non-null is a good way

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1561 // to ensure that.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1562 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1563

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1564

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1565 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1566 // Global Thread List Operations

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1567 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1568

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1569

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1570 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1571 // Add a thread to the global thread list.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1572 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1573 static void add( Thread t )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1574 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1575 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1576 assert( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1577 assert( !t.next && !t.prev );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1578 assert( t.isRunning );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1579 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1580 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1581 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1582 synchronized( slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1583 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1584 if( sm_tbeg )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1585 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1586 t.next = sm_tbeg;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1587 sm_tbeg.prev = t;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1588 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1589 sm_tbeg = t;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1590 ++sm_tlen;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1591 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1592 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1593

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1594

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1595 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1596 // Remove a thread from the global thread list.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1597 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1598 static void remove( Thread t )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1599 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1600 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1601 assert( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1602 assert( t.next || t.prev );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1603 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1604 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1605 // NOTE: This doesn't work for Posix as m_isRunning must be set to

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1606 // false after the thread is removed during normal execution.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1607 assert( !t.isRunning );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1608 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1609 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1610 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1611 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1612 synchronized( slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1613 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1614 // NOTE: When a thread is removed from the global thread list its

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1615 // main context is invalid and should be removed as well.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1616 // It is possible that t.m_curr could reference more

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1617 // than just the main context if the thread exited abnormally

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1618 // (if it was terminated), but we must assume that the user

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1619 // retains a reference to them and that they may be re-used

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1620 // elsewhere. Therefore, it is the responsibility of any

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1621 // object that creates contexts to clean them up properly

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1622 // when it is done with them.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1623 remove( &t.m_main );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1624

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1625 if( t.prev )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1626 t.prev.next = t.next;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1627 if( t.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1628 t.next.prev = t.prev;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1629 if( sm_tbeg == t )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1630 sm_tbeg = t.next;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1631 --sm_tlen;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1632 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1633 // NOTE: Don't null out t.next or t.prev because opApply currently

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1634 // follows t.next after removing a node. This could be easily

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1635 // addressed by simply returning the next node from this

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1636 // function, however, a thread should never be re-added to the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1637 // list anyway and having next and prev be non-null is a good way

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1638 // to ensure that.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1639 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1640 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1641

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1642

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1643 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1644 // GC Support Routines

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1645 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1646

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1647

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1648 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1649 * Initializes the thread module. This function must be called by the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1650 * garbage collector on startup and before any other thread routines

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1651 * are called.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1652 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1653 extern (C) void thread_init()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1654 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1655 // NOTE: If thread_init itself performs any allocations then the thread

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1656 // routines reserved for garbage collector use may be called while

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1657 // thread_init is being processed. However, since no memory should

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1658 // exist to be scanned at this point, it is sufficient for these

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1659 // functions to detect the condition and return immediately.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1660

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1661 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1662 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1663 Thread.sm_this = TlsAlloc();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1664 assert( Thread.sm_this != TLS_OUT_OF_INDEXES );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1665 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1666 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1667 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1668 int status;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1669 sigaction_t sigusr1 = void;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1670 sigaction_t sigusr2 = void;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1671

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1672 // This is a quick way to zero-initialize the structs without using

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1673 // memset or creating a link dependency on their static initializer.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1674 (cast(byte*) &sigusr1)[0 .. sigaction_t.sizeof] = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1675 (cast(byte*) &sigusr2)[0 .. sigaction_t.sizeof] = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1676

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1677 // NOTE: SA_RESTART indicates that system calls should restart if they

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1678 // are interrupted by a signal, but this is not available on all

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1679 // Posix systems, even those that support multithreading.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1680 static if( is( typeof( SA_RESTART ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1681 sigusr1.sa_flags = SA_RESTART;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1682 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1683 sigusr1.sa_flags = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1684 sigusr1.sa_handler = &thread_suspendHandler;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1685 // NOTE: We want to ignore all signals while in this handler, so fill

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1686 // sa_mask to indicate this.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1687 status = sigfillset( &sigusr1.sa_mask );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1688 assert( status == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1689

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1690 // NOTE: Since SIGUSR2 should only be issued for threads within the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1691 // suspend handler, we don't want this signal to trigger a

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1692 // restart.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1693 sigusr2.sa_flags = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1694 sigusr2.sa_handler = &thread_resumeHandler;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1695 // NOTE: We want to ignore all signals while in this handler, so fill

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1696 // sa_mask to indicate this.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1697 status = sigfillset( &sigusr2.sa_mask );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1698 assert( status == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1699

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1700 status = sigaction( SIGUSR1, &sigusr1, null );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1701 assert( status == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1702

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1703 status = sigaction( SIGUSR2, &sigusr2, null );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1704 assert( status == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1705

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1706 status = sem_init( &suspendCount, 0, 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1707 assert( status == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1708

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1709 status = pthread_key_create( &Thread.sm_this, null );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1710 assert( status == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1711 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1712

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1713 thread_attachThis();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1714 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1715

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1716

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1717 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1718 * Registers the calling thread for use with the D Runtime. If this routine

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1719 * is called for a thread which is already registered, the result is undefined.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1720 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1721 extern (C) void thread_attachThis()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1722 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1723 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1724 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1725 Thread thisThread = new Thread();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1726 Thread.Context* thisContext = &thisThread.m_main;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1727 assert( thisContext == thisThread.m_curr );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1728

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1729 thisThread.m_addr = GetCurrentThreadId();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1730 thisThread.m_hndl = GetCurrentThreadHandle();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1731 thisContext.bstack = getStackBottom();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1732 thisContext.tstack = thisContext.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1733

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1734 thisThread.m_isDaemon = true;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1735

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1736 Thread.setThis( thisThread );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1737 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1738 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1739 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1740 Thread thisThread = new Thread();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1741 Thread.Context* thisContext = thisThread.m_curr;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1742 assert( thisContext == &thisThread.m_main );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1743

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1744 thisThread.m_addr = pthread_self();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1745 thisContext.bstack = getStackBottom();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1746 thisContext.tstack = thisContext.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1747

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1748 thisThread.m_isRunning = true;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1749 thisThread.m_isDaemon = true;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1750

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1751 Thread.setThis( thisThread );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1752 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1753 version( OSX )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1754 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1755 thisThread.m_tmach = pthread_mach_thread_np( thisThread.m_addr );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1756 assert( thisThread.m_tmach != thisThread.m_tmach.init );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1757 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1758

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1759 Thread.add( thisThread );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1760 Thread.add( thisContext );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1761 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1762

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1763

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1764 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1765 * Deregisters the calling thread from use with the runtime. If this routine

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1766 * is called for a thread which is already registered, the result is undefined.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1767 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1768 extern (C) void thread_detachThis()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1769 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1770 Thread.remove( Thread.getThis() );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1771 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1772

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1773

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1774 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1775 * Joins all non-daemon threads that are currently running. This is done by

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1776 * performing successive scans through the thread list until a scan consists

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1777 * of only daemon threads.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1778 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1779 extern (C) void thread_joinAll()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1780 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1781

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1782 while( true )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1783 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1784 Thread nonDaemon = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1785

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1786 foreach( t; Thread )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1787 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1788 if( !t.isDaemon )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1789 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1790 nonDaemon = t;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1791 break;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1792 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1793 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1794 if( nonDaemon is null )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1795 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1796 nonDaemon.join();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1797 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1798 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1799

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1800

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1801 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1802 * Performs intermediate shutdown of the thread module.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1803 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1804 static ~this()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1805 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1806 // NOTE: The functionality related to garbage collection must be minimally

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1807 // operable after this dtor completes. Therefore, only minimal

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1808 // cleanup may occur.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1809

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1810 for( Thread t = Thread.sm_tbeg; t; t = t.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1811 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1812 if( !t.isRunning )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1813 Thread.remove( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1814 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1815 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1816

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1817

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1818 // Used for needLock below

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1819 private __gshared bool multiThreadedFlag = false;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1820

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1821

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1822 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1823 * This function is used to determine whether the the process is

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1824 * multi-threaded. Optimizations may only be performed on this

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1825 * value if the programmer can guarantee that no path from the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1826 * enclosed code will start a thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1827 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1828 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1829 * True if Thread.start() has been called in this process.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1830 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1831 extern (C) bool thread_needLock()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1832 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1833 return multiThreadedFlag;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1834 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1835

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1836

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1837 // Used for suspendAll/resumeAll below

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1838 private __gshared uint suspendDepth = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1839

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1840

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1841 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1842 * Suspend all threads but the calling thread for "stop the world" garbage

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1843 * collection runs. This function may be called multiple times, and must

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1844 * be followed by a matching number of calls to thread_resumeAll before

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1845 * processing is resumed.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1846 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1847 * Throws:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1848 * ThreadException if the suspend operation fails for a running thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1849 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1850 extern (C) void thread_suspendAll()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1851 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1852 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1853 * Suspend the specified thread and load stack and register information for

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1854 * use by thread_scanAll. If the supplied thread is the calling thread,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1855 * stack and register information will be loaded but the thread will not

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1856 * be suspended. If the suspend operation fails and the thread is not

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1857 * running then it will be removed from the global thread list, otherwise

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1858 * an exception will be thrown.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1859 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1860 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1861 * t = The thread to suspend.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1862 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1863 * Throws:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1864 * ThreadException if the suspend operation fails for a running thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1865 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1866 void suspend( Thread t )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1867 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1868 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1869 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1870 if( t.m_addr != GetCurrentThreadId() && SuspendThread( t.m_hndl ) == 0xFFFFFFFF )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1871 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1872 if( !t.isRunning )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1873 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1874 Thread.remove( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1875 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1876 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1877 throw new ThreadException( "Unable to suspend thread" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1878 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1879

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1880 CONTEXT context = void;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1881 context.ContextFlags = CONTEXT_INTEGER | CONTEXT_CONTROL;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1882

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1883 if( !GetThreadContext( t.m_hndl, &context ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1884 throw new ThreadException( "Unable to load thread context" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1885

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1886 version( X86 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1887 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1888 if( !t.m_lock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1889 t.m_curr.tstack = cast(void*) context.Esp;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1890 // eax,ebx,ecx,edx,edi,esi,ebp,esp

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1891 t.m_reg[0] = context.Eax;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1892 t.m_reg[1] = context.Ebx;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1893 t.m_reg[2] = context.Ecx;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1894 t.m_reg[3] = context.Edx;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1895 t.m_reg[4] = context.Edi;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1896 t.m_reg[5] = context.Esi;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1897 t.m_reg[6] = context.Ebp;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1898 t.m_reg[7] = context.Esp;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1899 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1900 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1901 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1902 static assert( "Architecture not supported." );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1903 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1904 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1905 else version( OSX )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1906 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1907 if( t.m_addr != pthread_self() && thread_suspend( t.m_tmach ) != KERN_SUCCESS )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1908 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1909 if( !t.isRunning )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1910 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1911 Thread.remove( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1912 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1913 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1914 throw new ThreadException( "Unable to suspend thread" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1915 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1916

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1917 version( X86 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1918 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1919 x86_thread_state32_t state = void;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1920 mach_msg_type_number_t count = x86_THREAD_STATE32_COUNT;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1921

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1922 if( thread_get_state( t.m_tmach, x86_THREAD_STATE32, &state, &count ) != KERN_SUCCESS )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1923 throw new ThreadException( "Unable to load thread state" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1924 if( !t.m_lock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1925 t.m_curr.tstack = cast(void*) state.esp;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1926 // eax,ebx,ecx,edx,edi,esi,ebp,esp

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1927 t.m_reg[0] = state.eax;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1928 t.m_reg[1] = state.ebx;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1929 t.m_reg[2] = state.ecx;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1930 t.m_reg[3] = state.edx;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1931 t.m_reg[4] = state.edi;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1932 t.m_reg[5] = state.esi;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1933 t.m_reg[6] = state.ebp;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1934 t.m_reg[7] = state.esp;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1935 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1936 else version( X86_64 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1937 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1938 x86_thread_state64_t state = void;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1939 mach_msg_type_number_t count = x86_THREAD_STATE64_COUNT;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1940

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1941 if( thread_get_state( t.m_tmach, x86_THREAD_STATE64, &state, &count ) != KERN_SUCCESS )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1942 throw new ThreadException( "Unable to load thread state" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1943 if( !t.m_lock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1944 t.m_curr.tstack = cast(void*) state.rsp;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1945 // rax,rbx,rcx,rdx,rdi,rsi,rbp,rsp

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1946 t.m_reg[0] = state.rax;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1947 t.m_reg[1] = state.rbx;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1948 t.m_reg[2] = state.rcx;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1949 t.m_reg[3] = state.rdx;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1950 t.m_reg[4] = state.rdi;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1951 t.m_reg[5] = state.rsi;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1952 t.m_reg[6] = state.rbp;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1953 t.m_reg[7] = state.rsp;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1954 // r8,r9,r10,r11,r12,r13,r14,r15

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1955 t.m_reg[8] = state.r8;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1956 t.m_reg[9] = state.r9;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1957 t.m_reg[10] = state.r10;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1958 t.m_reg[11] = state.r11;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1959 t.m_reg[12] = state.r12;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1960 t.m_reg[13] = state.r13;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1961 t.m_reg[14] = state.r14;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1962 t.m_reg[15] = state.r15;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1963 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1964 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1965 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1966 static assert( "Architecture not supported." );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1967 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1968 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1969 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1970 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1971 if( t.m_addr != pthread_self() )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1972 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1973 if( pthread_kill( t.m_addr, SIGUSR1 ) != 0 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1974 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1975 if( !t.isRunning )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1976 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1977 Thread.remove( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1978 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1979 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1980 throw new ThreadException( "Unable to suspend thread" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1981 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1982 // NOTE: It's really not ideal to wait for each thread to

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1983 // signal individually -- rather, it would be better to

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1984 // suspend them all and wait once at the end. However,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1985 // semaphores don't really work this way, and the obvious

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1986 // alternative (looping on an atomic suspend count)

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1987 // requires either the atomic module (which only works on

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1988 // x86) or other specialized functionality. It would

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1989 // also be possible to simply loop on sem_wait at the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1990 // end, but I'm not convinced that this would be much

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1991 // faster than the current approach.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1992 sem_wait( &suspendCount );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1993 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1994 else if( !t.m_lock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1995 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1996 t.m_curr.tstack = getStackTop();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1997 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1998 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

1999 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2000

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2001

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2002 // NOTE: We've got an odd chicken & egg problem here, because while the GC

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2003 // is required to call thread_init before calling any other thread

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2004 // routines, thread_init may allocate memory which could in turn

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2005 // trigger a collection. Thus, thread_suspendAll, thread_scanAll,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2006 // and thread_resumeAll must be callable before thread_init

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2007 // completes, with the assumption that no other GC memory has yet

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2008 // been allocated by the system, and thus there is no risk of losing

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2009 // data if the global thread list is empty. The check of

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2010 // Thread.sm_tbeg below is done to ensure thread_init has completed,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2011 // and therefore that calling Thread.getThis will not result in an

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2012 // error. For the short time when Thread.sm_tbeg is null, there is

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2013 // no reason not to simply call the multithreaded code below, with

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2014 // the expectation that the foreach loop will never be entered.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2015 if( !multiThreadedFlag && Thread.sm_tbeg )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2016 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2017 if( ++suspendDepth == 1 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2018 suspend( Thread.getThis() );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2019 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2020 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2021 synchronized( Thread.slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2022 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2023 if( ++suspendDepth > 1 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2024 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2025

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2026 // NOTE: I'd really prefer not to check isRunning within this loop but

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2027 // not doing so could be problematic if threads are termianted

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2028 // abnormally and a new thread is created with the same thread

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2029 // address before the next GC run. This situation might cause

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2030 // the same thread to be suspended twice, which would likely

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2031 // cause the second suspend to fail, the garbage collection to

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2032 // abort, and Bad Things to occur.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2033 for( Thread t = Thread.sm_tbeg; t; t = t.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2034 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2035 if( t.isRunning )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2036 suspend( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2037 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2038 Thread.remove( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2039 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2040

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2041 version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2042 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2043 // wait on semaphore -- see note in suspend for

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2044 // why this is currently not implemented

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2045 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2046 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2047 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2048

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2049

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2050 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2051 * Resume all threads but the calling thread for "stop the world" garbage

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2052 * collection runs. This function must be called once for each preceding

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2053 * call to thread_suspendAll before the threads are actually resumed.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2054 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2055 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2056 * This routine must be preceded by a call to thread_suspendAll.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2057 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2058 * Throws:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2059 * ThreadException if the resume operation fails for a running thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2060 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2061 extern (C) void thread_resumeAll()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2062 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2063 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2064 assert( suspendDepth > 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2065 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2066 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2067 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2068 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2069 * Resume the specified thread and unload stack and register information.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2070 * If the supplied thread is the calling thread, stack and register

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2071 * information will be unloaded but the thread will not be resumed. If

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2072 * the resume operation fails and the thread is not running then it will

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2073 * be removed from the global thread list, otherwise an exception will be

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2074 * thrown.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2075 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2076 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2077 * t = The thread to resume.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2078 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2079 * Throws:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2080 * ThreadException if the resume fails for a running thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2081 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2082 void resume( Thread t )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2083 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2084 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2085 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2086 if( t.m_addr != GetCurrentThreadId() && ResumeThread( t.m_hndl ) == 0xFFFFFFFF )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2087 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2088 if( !t.isRunning )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2089 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2090 Thread.remove( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2091 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2092 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2093 throw new ThreadException( "Unable to resume thread" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2094 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2095

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2096 if( !t.m_lock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2097 t.m_curr.tstack = t.m_curr.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2098 t.m_reg[0 .. $] = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2099 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2100 else version( OSX )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2101 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2102 if( t.m_addr != pthread_self() && thread_resume( t.m_tmach ) != KERN_SUCCESS )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2103 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2104 if( !t.isRunning )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2105 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2106 Thread.remove( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2107 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2108 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2109 throw new ThreadException( "Unable to resume thread" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2110 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2111

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2112 if( !t.m_lock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2113 t.m_curr.tstack = t.m_curr.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2114 t.m_reg[0 .. $] = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2115 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2116 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2117 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2118 if( t.m_addr != pthread_self() )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2119 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2120 if( pthread_kill( t.m_addr, SIGUSR2 ) != 0 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2121 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2122 if( !t.isRunning )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2123 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2124 Thread.remove( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2125 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2126 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2127 throw new ThreadException( "Unable to resume thread" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2128 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2129 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2130 else if( !t.m_lock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2131 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2132 t.m_curr.tstack = t.m_curr.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2133 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2134 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2135 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2136

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2137

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2138 // NOTE: See thread_suspendAll for the logic behind this.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2139 if( !multiThreadedFlag && Thread.sm_tbeg )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2140 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2141 if( --suspendDepth == 0 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2142 resume( Thread.getThis() );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2143 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2144 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2145 synchronized( Thread.slock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2146 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2147 if( --suspendDepth > 0 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2148 return;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2149

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2150 for( Thread t = Thread.sm_tbeg; t; t = t.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2151 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2152 resume( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2153 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2154 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2155 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2156

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2157

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2158 private alias void delegate( void*, void* ) scanAllThreadsFn;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2159

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2160

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2161 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2162 * The main entry point for garbage collection. The supplied delegate

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2163 * will be passed ranges representing both stack and register values.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2164 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2165 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2166 * scan = The scanner function. It should scan from p1 through p2 - 1.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2167 * curStackTop = An optional pointer to the top of the calling thread's stack.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2168 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2169 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2170 * This routine must be preceded by a call to thread_suspendAll.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2171 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2172 extern (C) void thread_scanAll( scanAllThreadsFn scan, void* curStackTop = null )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2173 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2174 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2175 assert( suspendDepth > 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2176 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2177 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2178 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2179 Thread thisThread = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2180 void* oldStackTop = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2181

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2182 if( curStackTop && Thread.sm_tbeg )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2183 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2184 thisThread = Thread.getThis();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2185 if( !thisThread.m_lock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2186 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2187 oldStackTop = thisThread.m_curr.tstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2188 thisThread.m_curr.tstack = curStackTop;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2189 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2190 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2191

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2192 scope( exit )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2193 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2194 if( curStackTop && Thread.sm_tbeg )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2195 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2196 if( !thisThread.m_lock )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2197 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2198 thisThread.m_curr.tstack = oldStackTop;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2199 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2200 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2201 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2202

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2203 // NOTE: Synchronizing on Thread.slock is not needed because this

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2204 // function may only be called after all other threads have

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2205 // been suspended from within the same lock.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2206 for( Thread.Context* c = Thread.sm_cbeg; c; c = c.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2207 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2208 version( StackGrowsDown )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2209 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2210 // NOTE: We can't index past the bottom of the stack

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2211 // so don't do the "+1" for StackGrowsDown.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2212 if( c.tstack && c.tstack < c.bstack )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2213 scan( c.tstack, c.bstack );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2214 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2215 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2216 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2217 if( c.bstack && c.bstack < c.tstack )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2218 scan( c.bstack, c.tstack + 1 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2219 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2220 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2221

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2222 for( Thread t = Thread.sm_tbeg; t; t = t.next )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2223 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2224 scan( &t.m_tls[0], &t.m_tls[0] + t.m_tls.length );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2225

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2226 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2227 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2228 scan( &t.m_reg[0], &t.m_reg[0] + t.m_reg.length );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2229 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2230 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2231 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2232

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2233

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2234 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2235 // Thread Local

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2236 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2237

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2238

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2239 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2240 * This class encapsulates the operations required to initialize, access, and

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2241 * destroy thread local data.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2242 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2243 class ThreadLocal( T )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2244 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2245 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2246 // Initialization

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2247 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2248

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2249

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2250 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2251 * Initializes thread local storage for the indicated value which will be

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2252 * initialized to def for all threads.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2253 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2254 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2255 * def = The default value to return if no value has been explicitly set.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2256 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2257 this( T def = T.init )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2258 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2259 m_def = def;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2260 m_key = Thread.createLocal();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2261 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2262

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2263

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2264 ~this()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2265 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2266 Thread.deleteLocal( m_key );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2267 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2268

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2269

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2270 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2271 // Accessors

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2272 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2273

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2274

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2275 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2276 * Gets the value last set by the calling thread, or def if no such value

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2277 * has been set.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2278 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2279 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2280 * The stored value or def if no value is stored.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2281 */

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2282 T val()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2283 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2284 Wrap* wrap = cast(Wrap*) Thread.getLocal( m_key );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2285

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2286 return wrap ? wrap.val : m_def;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2287 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2288

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2289

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2290 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2291 * Copies newval to a location specific to the calling thread, and returns

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2292 * newval.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2293 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2294 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2295 * newval = The value to set.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2296 *

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2297 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2298 * The value passed to this function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2299 */

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Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2300 T val( T newval )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2301 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2302 Wrap* wrap = cast(Wrap*) Thread.getLocal( m_key );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2303

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2304 if( wrap is null )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2305 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2306 wrap = new Wrap;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2307 Thread.setLocal( m_key, wrap );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2308 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2309 wrap.val = newval;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2310 return newval;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2311 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2312

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2313

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2314 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2315 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2316 // A wrapper for the stored data. This is needed for determining whether

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2317 // set has ever been called for this thread (and therefore whether the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2318 // default value should be returned) and also to flatten the differences

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2319 // between data that is smaller and larger than (void*).sizeof. The

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2320 // obvious tradeoff here is an extra per-thread allocation for each

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2321 // ThreadLocal value as compared to calling the Thread routines directly.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2322 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2323 struct Wrap

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2324 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2325 T val;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2326 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2327

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2328

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2329 T m_def;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2330 uint m_key;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2331 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2332

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2333

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2334 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2335 // Thread Group

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2336 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2337

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2338

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2339 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2340 * This class is intended to simplify certain common programming techniques.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2341 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2342 class ThreadGroup

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2343 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2344 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2345 * Creates and starts a new Thread object that executes fn and adds it to

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2346 * the list of tracked threads.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2347 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2348 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2349 * fn = The thread function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2350 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2351 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2352 * A reference to the newly created thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2353 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2354 final Thread create( void function() fn )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2355 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2356 Thread t = new Thread( fn );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2357

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2358 t.start();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2359 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2360 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2361 m_all[t] = t;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2362 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2363 return t;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2364 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2365

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2366

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2367 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2368 * Creates and starts a new Thread object that executes dg and adds it to

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2369 * the list of tracked threads.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2370 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2371 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2372 * dg = The thread function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2373 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2374 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2375 * A reference to the newly created thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2376 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2377 final Thread create( void delegate() dg )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2378 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2379 Thread t = new Thread( dg );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2380

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2381 t.start();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2382 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2383 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2384 m_all[t] = t;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2385 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2386 return t;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2387 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2388

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2389

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2390 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2391 * Add t to the list of tracked threads if it is not already being tracked.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2392 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2393 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2394 * t = The thread to add.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2395 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2396 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2397 * t must not be null.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2398 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2399 final void add( Thread t )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2400 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2401 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2402 assert( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2403 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2404 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2405 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2406 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2407 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2408 m_all[t] = t;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2409 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2410 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2411

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2412

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2413 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2414 * Removes t from the list of tracked threads. No operation will be

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2415 * performed if t is not currently being tracked by this object.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2416 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2417 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2418 * t = The thread to remove.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2419 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2420 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2421 * t must not be null.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2422 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2423 final void remove( Thread t )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2424 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2425 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2426 assert( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2427 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2428 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2429 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2430 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2431 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2432 m_all.remove( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2433 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2434 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2435

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2436

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2437 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2438 * Operates on all threads currently tracked by this object.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2439 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2440 final int opApply( int delegate( inout Thread ) dg )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2441 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2442 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2443 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2444 int ret = 0;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2445

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2446 // NOTE: This loop relies on the knowledge that m_all uses the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2447 // Thread object for both the key and the mapped value.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2448 foreach( Thread t; m_all.keys )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2449 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2450 ret = dg( t );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2451 if( ret )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2452 break;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2453 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2454 return ret;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2455 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2456 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2457

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2458

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2459 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2460 * Iteratively joins all tracked threads. This function will block add,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2461 * remove, and opApply until it completes.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2462 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2463 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2464 * rethrow = Rethrow any unhandled exception which may have caused the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2465 * current thread to terminate.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2466 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2467 * Throws:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2468 * Any exception not handled by the joined threads.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2469 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2470 final void joinAll( bool rethrow = true )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2471 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2472 synchronized( this )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2473 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2474 // NOTE: This loop relies on the knowledge that m_all uses the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2475 // Thread object for both the key and the mapped value.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2476 foreach( Thread t; m_all.keys )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2477 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2478 t.join( rethrow );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2479 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2480 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2481 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2482

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2483

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2484 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2485 Thread[Thread] m_all;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2486 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2487

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2488

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2489 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2490 // Fiber Platform Detection and Memory Allocation

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2491 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2492

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2493

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2494 private

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2495 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2496 version( D_InlineAsm_X86 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2497 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2498 version( X86_64 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2499 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2500

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2501 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2502 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2503 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2504 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2505 version = AsmX86_Win32;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2506 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2507 version = AsmX86_Posix;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2508 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2509 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2510 else version( PPC )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2511 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2512 version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2513 version = AsmPPC_Posix;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2514 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2515

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2516

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2517 version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2518 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2519 import core.sys.posix.unistd; // for sysconf

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2520 import core.sys.posix.sys.mman; // for mmap

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2521 import core.sys.posix.stdlib; // for malloc, valloc, free

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2522

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2523 version( AsmX86_Win32 ) {} else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2524 version( AsmX86_Posix ) {} else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2525 version( AsmPPC_Posix ) {} else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2526 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2527 // NOTE: The ucontext implementation requires architecture specific

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2528 // data definitions to operate so testing for it must be done

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2529 // by checking for the existence of ucontext_t rather than by

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2530 // a version identifier. Please note that this is considered

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2531 // an obsolescent feature according to the POSIX spec, so a

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2532 // custom solution is still preferred.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2533 import core.sys.posix.ucontext;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2534 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2535 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2536

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2537 const size_t PAGESIZE;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2538 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2539

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2540

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2541 static this()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2542 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2543 static if( is( typeof( GetSystemInfo ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2544 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2545 SYSTEM_INFO info;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2546 GetSystemInfo( &info );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2547

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2548 PAGESIZE = info.dwPageSize;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2549 assert( PAGESIZE < int.max );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2550 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2551 else static if( is( typeof( sysconf ) ) &&

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2552 is( typeof( _SC_PAGESIZE ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2553 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2554 PAGESIZE = cast(size_t) sysconf( _SC_PAGESIZE );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2555 assert( PAGESIZE < int.max );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2556 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2557 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2558 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2559 version( PPC )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2560 PAGESIZE = 8192;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2561 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2562 PAGESIZE = 4096;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2563 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2564 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2565

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2566

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2567 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2568 // Fiber Entry Point and Context Switch

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2569 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2570

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2571

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2572 private

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2573 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2574 extern (C) void fiber_entryPoint()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2575 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2576 Fiber obj = Fiber.getThis();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2577 assert( obj );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2578

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2579 assert( Thread.getThis().m_curr is obj.m_ctxt );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2580 volatile Thread.getThis().m_lock = false;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2581 obj.m_ctxt.tstack = obj.m_ctxt.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2582 obj.m_state = Fiber.State.EXEC;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2583

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2584 try

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2585 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2586 obj.run();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2587 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2588 catch( Object o )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2589 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2590 obj.m_unhandled = o;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2591 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2592

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2593 static if( is( ucontext_t ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2594 obj.m_ucur = &obj.m_utxt;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2595

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2596 obj.m_state = Fiber.State.TERM;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2597 obj.switchOut();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2598 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2599

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2600

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2601 // NOTE: If AsmPPC_Posix is defined then the context switch routine will

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2602 // be defined externally until GDC supports inline PPC ASM.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2603 version( AsmPPC_Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2604 extern (C) void fiber_switchContext( void** oldp, void* newp );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2605 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2606 extern (C) void fiber_switchContext( void** oldp, void* newp )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2607 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2608 // NOTE: The data pushed and popped in this routine must match the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2609 // default stack created by Fiber.initStack or the initial

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2610 // switch into a new context will fail.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2611

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2612 version( AsmX86_Win32 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2613 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2614 asm

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2615 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2616 naked;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2617

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2618 // save current stack state

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2619 push EBP;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2620 mov EBP, ESP;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2621 push EAX;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2622 push dword ptr FS:[0];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2623 push dword ptr FS:[4];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2624 push dword ptr FS:[8];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2625 push EBX;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2626 push ESI;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2627 push EDI;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2628

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2629 // store oldp again with more accurate address

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2630 mov EAX, dword ptr 8[EBP];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2631 mov [EAX], ESP;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2632 // load newp to begin context switch

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2633 mov ESP, dword ptr 12[EBP];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2634

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2635 // load saved state from new stack

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2636 pop EDI;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2637 pop ESI;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2638 pop EBX;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2639 pop dword ptr FS:[8];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2640 pop dword ptr FS:[4];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2641 pop dword ptr FS:[0];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2642 pop EAX;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2643 pop EBP;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2644

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2645 // 'return' to complete switch

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2646 ret;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2647 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2648 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2649 else version( AsmX86_Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2650 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2651 asm

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2652 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2653 naked;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2654

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2655 // save current stack state

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2656 push EBP;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2657 mov EBP, ESP;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2658 push EAX;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2659 push EBX;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2660 push ESI;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2661 push EDI;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2662

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2663 // store oldp again with more accurate address

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2664 mov EAX, dword ptr 8[EBP];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2665 mov [EAX], ESP;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2666 // load newp to begin context switch

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2667 mov ESP, dword ptr 12[EBP];

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2668

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2669 // load saved state from new stack

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2670 pop EDI;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2671 pop ESI;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2672 pop EBX;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2673 pop EAX;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2674 pop EBP;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2675

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2676 // 'return' to complete switch

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2677 ret;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2678 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2679 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2680 else static if( is( ucontext_t ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2681 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2682 Fiber cfib = Fiber.getThis();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2683 void* ucur = cfib.m_ucur;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2684

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2685 *oldp = &ucur;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2686 swapcontext( **(cast(ucontext_t***) oldp),

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2687 *(cast(ucontext_t**) newp) );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2688 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2689 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2690 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2691

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2692

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2693 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2694 // Fiber

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2695 ///////////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2696

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2697

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2698 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2699 * This class provides a cooperative concurrency mechanism integrated with the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2700 * threading and garbage collection functionality. Calling a fiber may be

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2701 * considered a blocking operation that returns when the fiber yields (via

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2702 * Fiber.yield()). Execution occurs within the context of the calling thread

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2703 * so synchronization is not necessary to guarantee memory visibility so long

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2704 * as the same thread calls the fiber each time. Please note that there is no

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2705 * requirement that a fiber be bound to one specific thread. Rather, fibers

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2706 * may be freely passed between threads so long as they are not currently

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2707 * executing. Like threads, a new fiber thread may be created using either

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2708 * derivation or composition, as in the following example.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2709 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2710 * Example:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2711 * ----------------------------------------------------------------------

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2712 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2713 * class DerivedFiber : Fiber

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2714 * {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2715 * this()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2716 * {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2717 * super( &run );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2718 * }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2719 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2720 * private :

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2721 * void run()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2722 * {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2723 * printf( "Derived fiber running.\n" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2724 * }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2725 * }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2726 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2727 * void fiberFunc()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2728 * {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2729 * printf( "Composed fiber running.\n" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2730 * Fiber.yield();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2731 * printf( "Composed fiber running.\n" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2732 * }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2733 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2734 * // create instances of each type

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2735 * Fiber derived = new DerivedFiber();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2736 * Fiber composed = new Fiber( &fiberFunc );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2737 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2738 * // call both fibers once

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2739 * derived.call();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2740 * composed.call();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2741 * printf( "Execution returned to calling context.\n" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2742 * composed.call();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2743 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2744 * // since each fiber has run to completion, each should have state TERM

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2745 * assert( derived.state == Fiber.State.TERM );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2746 * assert( composed.state == Fiber.State.TERM );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2747 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2748 * ----------------------------------------------------------------------

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2749 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2750 * Authors: Based on a design by Mikola Lysenko.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2751 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2752 class Fiber

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2753 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2754 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2755 // Initialization

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2756 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2757

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2758

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2759 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2760 * Initializes a fiber object which is associated with a static

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2761 * D function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2762 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2763 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2764 * fn = The thread function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2765 * sz = The stack size for this fiber.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2766 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2767 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2768 * fn must not be null.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2769 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2770 this( void function() fn, size_t sz = PAGESIZE )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2771 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2772 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2773 assert( fn );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2774 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2775 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2776 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2777 m_fn = fn;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2778 m_call = Call.FN;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2779 m_state = State.HOLD;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2780 allocStack( sz );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2781 initStack();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2782 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2783

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2784

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2785 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2786 * Initializes a fiber object which is associated with a dynamic

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2787 * D function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2788 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2789 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2790 * dg = The thread function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2791 * sz = The stack size for this fiber.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2792 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2793 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2794 * dg must not be null.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2795 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2796 this( void delegate() dg, size_t sz = PAGESIZE )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2797 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2798 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2799 assert( dg );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2800 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2801 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2802 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2803 m_dg = dg;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2804 m_call = Call.DG;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2805 m_state = State.HOLD;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2806 allocStack( sz );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2807 initStack();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2808 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2809

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2810

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2811 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2812 * Cleans up any remaining resources used by this object.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2813 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2814 ~this()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2815 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2816 // NOTE: A live reference to this object will exist on its associated

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2817 // stack from the first time its call() method has been called

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2818 // until its execution completes with State.TERM. Thus, the only

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2819 // times this dtor should be called are either if the fiber has

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2820 // terminated (and therefore has no active stack) or if the user

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2821 // explicitly deletes this object. The latter case is an error

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2822 // but is not easily tested for, since State.HOLD may imply that

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2823 // the fiber was just created but has never been run. There is

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2824 // not a compelling case to create a State.INIT just to offer a

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2825 // means of ensuring the user isn't violating this object's

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2826 // contract, so for now this requirement will be enforced by

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2827 // documentation only.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2828 freeStack();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2829 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2830

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2831

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2832 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2833 // General Actions

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2834 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2835

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2836

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2837 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2838 * Transfers execution to this fiber object. The calling context will be

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2839 * suspended until the fiber calls Fiber.yield() or until it terminates

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2840 * via an unhandled exception.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2841 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2842 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2843 * rethrow = Rethrow any unhandled exception which may have caused this

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2844 * fiber to terminate.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2845 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2846 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2847 * This fiber must be in state HOLD.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2848 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2849 * Throws:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2850 * Any exception not handled by the joined thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2851 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2852 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2853 * Any exception not handled by this fiber if rethrow = false, null

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2854 * otherwise.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2855 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2856 final Object call( bool rethrow = true )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2857 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2858 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2859 assert( m_state == State.HOLD );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2860 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2861 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2862 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2863 Fiber cur = getThis();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2864

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2865 static if( is( ucontext_t ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2866 m_ucur = cur ? &cur.m_utxt : &Fiber.sm_utxt;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2867

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2868 setThis( this );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2869 this.switchIn();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2870 setThis( cur );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2871

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2872 static if( is( ucontext_t ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2873 m_ucur = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2874

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2875 // NOTE: If the fiber has terminated then the stack pointers must be

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2876 // reset. This ensures that the stack for this fiber is not

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2877 // scanned if the fiber has terminated. This is necessary to

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2878 // prevent any references lingering on the stack from delaying

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2879 // the collection of otherwise dead objects. The most notable

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2880 // being the current object, which is referenced at the top of

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2881 // fiber_entryPoint.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2882 if( m_state == State.TERM )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2883 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2884 m_ctxt.tstack = m_ctxt.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2885 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2886 if( m_unhandled )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2887 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2888 Object obj = m_unhandled;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2889 m_unhandled = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2890 if( rethrow )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2891 throw obj;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2892 return obj;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2893 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2894 return null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2895 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2896

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2897

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2898 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2899 * Resets this fiber so that it may be re-used. This routine may only be

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2900 * called for fibers that have terminated, as doing otherwise could result

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2901 * in scope-dependent functionality that is not executed. Stack-based

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2902 * classes, for example, may not be cleaned up properly if a fiber is reset

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2903 * before it has terminated.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2904 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2905 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2906 * This fiber must be in state TERM.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2907 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2908 final void reset()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2909 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2910 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2911 assert( m_state == State.TERM );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2912 assert( m_ctxt.tstack == m_ctxt.bstack );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2913 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2914 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2915 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2916 m_state = State.HOLD;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2917 initStack();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2918 m_unhandled = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2919 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2920

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2921

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2922 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2923 // General Properties

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2924 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2925

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2926

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2927 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2928 * A fiber may occupy one of three states: HOLD, EXEC, and TERM. The HOLD

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2929 * state applies to any fiber that is suspended and ready to be called.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2930 * The EXEC state will be set for any fiber that is currently executing.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2931 * And the TERM state is set when a fiber terminates. Once a fiber

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2932 * terminates, it must be reset before it may be called again.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2933 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2934 enum State

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2935 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2936 HOLD, ///

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2937 EXEC, ///

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2938 TERM ///

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2939 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2940

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2941

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2942 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2943 * Gets the current state of this fiber.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2944 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2945 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2946 * The state of this fiber as an enumerated value.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2947 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2948 final State state()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2949 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2950 return m_state;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2951 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2952

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2953

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2954 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2955 // Actions on Calling Fiber

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2956 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2957

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2958

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2959 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2960 * Forces a context switch to occur away from the calling fiber.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2961 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2962 static void yield()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2963 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2964 Fiber cur = getThis();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2965 assert( cur, "Fiber.yield() called with no active fiber" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2966 assert( cur.m_state == State.EXEC );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2967

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2968 static if( is( ucontext_t ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2969 cur.m_ucur = &cur.m_utxt;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2970

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2971 cur.m_state = State.HOLD;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2972 cur.switchOut();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2973 cur.m_state = State.EXEC;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2974 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2975

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2976

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2977 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2978 * Forces a context switch to occur away from the calling fiber and then

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2979 * throws obj in the calling fiber.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2980 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2981 * Params:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2982 * obj = The object to throw.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2983 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2984 * In:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2985 * obj must not be null.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2986 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2987 static void yieldAndThrow( Object obj )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2988 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2989 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2990 assert( obj );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2991 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2992 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2993 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2994 Fiber cur = getThis();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2995 assert( cur, "Fiber.yield() called with no active fiber" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2996 assert( cur.m_state == State.EXEC );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2997

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2998 static if( is( ucontext_t ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

2999 cur.m_ucur = &cur.m_utxt;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3000

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3001 cur.m_unhandled = obj;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3002 cur.m_state = State.HOLD;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3003 cur.switchOut();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3004 cur.m_state = State.EXEC;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3005 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3006

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3007

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3008 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3009 // Fiber Accessors

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3010 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3011

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3012

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3013 /**

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3014 * Provides a reference to the calling fiber or null if no fiber is

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3015 * currently active.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3016 *

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3017 * Returns:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3018 * The fiber object representing the calling fiber or null if no fiber

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3019 * is currently active. The result of deleting this object is undefined.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3020 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3021 static Fiber getThis()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3022 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3023 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3024 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3025 return cast(Fiber) TlsGetValue( sm_this );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3026 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3027 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3028 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3029 return cast(Fiber) pthread_getspecific( sm_this );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3030 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3031 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3032

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3033

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3034 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3035 // Static Initialization

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3036 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3037

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3038

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3039 static this()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3040 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3041 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3042 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3043 sm_this = TlsAlloc();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3044 assert( sm_this != TLS_OUT_OF_INDEXES );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3045 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3046 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3047 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3048 int status;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3049

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3050 status = pthread_key_create( &sm_this, null );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3051 assert( status == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3052

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3053 static if( is( ucontext_t ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3054 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3055 status = getcontext( &sm_utxt );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3056 assert( status == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3057 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3058 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3059 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3060

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3061

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3062 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3063 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3064 // Initializes a fiber object which has no associated executable function.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3065 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3066 this()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3067 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3068 m_call = Call.NO;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3069 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3070

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3071

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3072 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3073 // Fiber entry point. Invokes the function or delegate passed on

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3074 // construction (if any).

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3075 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3076 final void run()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3077 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3078 switch( m_call )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3079 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3080 case Call.FN:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3081 m_fn();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3082 break;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3083 case Call.DG:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3084 m_dg();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3085 break;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3086 default:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3087 break;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3088 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3089 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3090

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3091

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3092 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3093 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3094 // The type of routine passed on fiber construction.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3095 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3096 enum Call

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3097 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3098 NO,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3099 FN,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3100 DG

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3101 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3102

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3103

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3104 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3105 // Standard fiber data

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3106 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3107 Call m_call;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3108 union

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3109 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3110 void function() m_fn;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3111 void delegate() m_dg;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3112 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3113 bool m_isRunning;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3114 Object m_unhandled;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3115 State m_state;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3116

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3117

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3118 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3119 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3120 // Stack Management

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3121 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3122

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3123

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3124 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3125 // Allocate a new stack for this fiber.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3126 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3127 final void allocStack( size_t sz )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3128 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3129 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3130 assert( !m_pmem && !m_ctxt );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3131 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3132 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3133 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3134 // adjust alloc size to a multiple of PAGESIZE

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3135 sz += PAGESIZE - 1;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3136 sz -= sz % PAGESIZE;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3137

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3138 // NOTE: This instance of Thread.Context is dynamic so Fiber objects

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3139 // can be collected by the GC so long as no user level references

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3140 // to the object exist. If m_ctxt were not dynamic then its

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3141 // presence in the global context list would be enough to keep

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3142 // this object alive indefinitely. An alternative to allocating

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3143 // room for this struct explicitly would be to mash it into the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3144 // base of the stack being allocated below. However, doing so

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3145 // requires too much special logic to be worthwhile.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3146 m_ctxt = new Thread.Context;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3147

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3148 static if( is( typeof( VirtualAlloc ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3149 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3150 // reserve memory for stack

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3151 m_pmem = VirtualAlloc( null,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3152 sz + PAGESIZE,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3153 MEM_RESERVE,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3154 PAGE_NOACCESS );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3155 if( !m_pmem )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3156 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3157 throw new FiberException( "Unable to reserve memory for stack" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3158 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3159

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3160 version( StackGrowsDown )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3161 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3162 void* stack = m_pmem + PAGESIZE;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3163 void* guard = m_pmem;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3164 void* pbase = stack + sz;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3165 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3166 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3167 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3168 void* stack = m_pmem;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3169 void* guard = m_pmem + sz;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3170 void* pbase = stack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3171 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3172

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3173 // allocate reserved stack segment

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3174 stack = VirtualAlloc( stack,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3175 sz,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3176 MEM_COMMIT,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3177 PAGE_READWRITE );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3178 if( !stack )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3179 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3180 throw new FiberException( "Unable to allocate memory for stack" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3181 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3182

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3183 // allocate reserved guard page

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3184 guard = VirtualAlloc( guard,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3185 PAGESIZE,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3186 MEM_COMMIT,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3187 PAGE_READWRITE | PAGE_GUARD );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3188 if( !guard )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3189 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3190 throw new FiberException( "Unable to create guard page for stack" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3191 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3192

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3193 m_ctxt.bstack = pbase;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3194 m_ctxt.tstack = pbase;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3195 m_size = sz;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3196 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3197 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3198 { static if( is( typeof( mmap ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3199 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3200 m_pmem = mmap( null,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3201 sz,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3202 PROT_READ | PROT_WRITE,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3203 MAP_PRIVATE | MAP_ANON,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3204 -1,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3205 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3206 if( m_pmem == MAP_FAILED )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3207 m_pmem = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3208 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3209 else static if( is( typeof( valloc ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3210 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3211 m_pmem = valloc( sz );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3212 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3213 else static if( is( typeof( malloc ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3214 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3215 m_pmem = malloc( sz );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3216 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3217 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3218 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3219 m_pmem = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3220 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3221

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3222 if( !m_pmem )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3223 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3224 throw new FiberException( "Unable to allocate memory for stack" );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3225 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3226

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3227 version( StackGrowsDown )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3228 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3229 m_ctxt.bstack = m_pmem + sz;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3230 m_ctxt.tstack = m_pmem + sz;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3231 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3232 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3233 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3234 m_ctxt.bstack = m_pmem;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3235 m_ctxt.tstack = m_pmem;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3236 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3237 m_size = sz;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3238 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3239

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3240 Thread.add( m_ctxt );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3241 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3242

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3243

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3244 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3245 // Free this fiber's stack.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3246 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3247 final void freeStack()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3248 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3249 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3250 assert( m_pmem && m_ctxt );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3251 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3252 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3253 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3254 // NOTE: Since this routine is only ever expected to be called from

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3255 // the dtor, pointers to freed data are not set to null.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3256

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3257 // NOTE: m_ctxt is guaranteed to be alive because it is held in the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3258 // global context list.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3259 Thread.remove( m_ctxt );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3260

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3261 static if( is( typeof( VirtualAlloc ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3262 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3263 VirtualFree( m_pmem, 0, MEM_RELEASE );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3264 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3265 else static if( is( typeof( mmap ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3266 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3267 munmap( m_pmem, m_size );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3268 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3269 else static if( is( typeof( valloc ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3270 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3271 free( m_pmem );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3272 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3273 else static if( is( typeof( malloc ) ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3274 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3275 free( m_pmem );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3276 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3277 delete m_ctxt;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3278 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3279

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3280

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3281 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3282 // Initialize the allocated stack.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3283 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3284 final void initStack()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3285 in

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3286 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3287 assert( m_ctxt.tstack && m_ctxt.tstack == m_ctxt.bstack );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3288 assert( cast(size_t) m_ctxt.bstack % (void*).sizeof == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3289 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3290 body

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3291 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3292 void* pstack = m_ctxt.tstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3293 scope( exit ) m_ctxt.tstack = pstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3294

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3295 void push( size_t val )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3296 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3297 version( StackGrowsDown )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3298 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3299 pstack -= size_t.sizeof;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3300 *(cast(size_t*) pstack) = val;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3301 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3302 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3303 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3304 pstack += size_t.sizeof;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3305 *(cast(size_t*) pstack) = val;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3306 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3307 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3308

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3309 // NOTE: On OS X the stack must be 16-byte aligned according to the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3310 // IA-32 call spec.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3311 version( OSX )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3312 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3313 version( StackGrowsDown )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3314 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3315 pstack = cast(void*)(cast(uint)(pstack) - (cast(uint)(pstack) & 0x0F));

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3316 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3317 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3318 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3319 pstack = cast(void*)(cast(uint)(pstack) + (cast(uint)(pstack) & 0x0F));

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3320 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3321 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3322

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3323 version( AsmX86_Win32 )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3324 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3325 push( cast(size_t) &fiber_entryPoint ); // EIP

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3326 push( 0xFFFFFFFF ); // EBP

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3327 push( 0x00000000 ); // EAX

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3328 push( 0xFFFFFFFF ); // FS:[0]

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3329 version( StackGrowsDown )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3330 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3331 push( cast(size_t) m_ctxt.bstack ); // FS:[4]

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3332 push( cast(size_t) m_ctxt.bstack - m_size ); // FS:[8]

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3333 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3334 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3335 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3336 push( cast(size_t) m_ctxt.bstack ); // FS:[4]

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3337 push( cast(size_t) m_ctxt.bstack + m_size ); // FS:[8]

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3338 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3339 push( 0x00000000 ); // EBX

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3340 push( 0x00000000 ); // ESI

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3341 push( 0x00000000 ); // EDI

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3342 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3343 else version( AsmX86_Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3344 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3345 push( 0x00000000 ); // Pad stack for OSX

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3346 push( cast(size_t) &fiber_entryPoint ); // EIP

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3347 push( 0x00000000 ); // EBP

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3348 push( 0x00000000 ); // EAX

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3349 push( 0x00000000 ); // EBX

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3350 push( 0x00000000 ); // ESI

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3351 push( 0x00000000 ); // EDI

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3352 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3353 else version( AsmPPC_Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3354 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3355 version( StackGrowsDown )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3356 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3357 pstack -= int.sizeof * 5;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3358 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3359 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3360 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3361 pstack += int.sizeof * 5;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3362 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3363

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3364 push( cast(size_t) &fiber_entryPoint ); // link register

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3365 push( 0x00000000 ); // control register

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3366 push( 0x00000000 ); // old stack pointer

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3367

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3368 // GPR values

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3369 version( StackGrowsDown )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3370 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3371 pstack -= int.sizeof * 20;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3372 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3373 else

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3374 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3375 pstack += int.sizeof * 20;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3376 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3377

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3378 assert( cast(uint) pstack & 0x0f == 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3379 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3380 else static if( is( ucontext_t ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3381 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3382 getcontext( &m_utxt );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3383 m_utxt.uc_stack.ss_sp = m_ctxt.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3384 m_utxt.uc_stack.ss_size = m_size;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3385 makecontext( &m_utxt, &fiber_entryPoint, 0 );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3386 // NOTE: If ucontext is being used then the top of the stack will

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3387 // be a pointer to the ucontext_t struct for that fiber.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3388 push( cast(size_t) &m_utxt );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3389 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3390 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3391

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3392

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3393 Thread.Context* m_ctxt;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3394 size_t m_size;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3395 void* m_pmem;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3396

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3397 static if( is( ucontext_t ) )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3398 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3399 // NOTE: The static ucontext instance is used to represent the context

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3400 // of the main application thread.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3401 static ucontext_t sm_utxt = void;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3402 ucontext_t m_utxt = void;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3403 ucontext_t* m_ucur = null;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3404 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3405

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3406

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3407 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3408 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3409 // Storage of Active Fiber

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3410 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3411

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3412

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3413 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3414 // Sets a thread-local reference to the current fiber object.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3415 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3416 static void setThis( Fiber f )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3417 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3418 version( Windows )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3419 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3420 TlsSetValue( sm_this, cast(void*) f );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3421 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3422 else version( Posix )

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3423 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3424 pthread_setspecific( sm_this, cast(void*) f );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3425 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3426 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3427

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3428

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3429 __gshared Thread.TLSKey sm_this;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3430

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3431

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3432 private:

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3433 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3434 // Context Switching

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3435 ///////////////////////////////////////////////////////////////////////////

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3436

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3437

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3438 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3439 // Switches into the stack held by this fiber.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3440 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3441 final void switchIn()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3442 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3443 Thread tobj = Thread.getThis();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3444 void** oldp = &tobj.m_curr.tstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3445 void* newp = m_ctxt.tstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3446

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3447 // NOTE: The order of operations here is very important. The current

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3448 // stack top must be stored before m_lock is set, and pushContext

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3449 // must not be called until after m_lock is set. This process

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3450 // is intended to prevent a race condition with the suspend

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3451 // mechanism used for garbage collection. If it is not followed,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3452 // a badly timed collection could cause the GC to scan from the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3453 // bottom of one stack to the top of another, or to miss scanning

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3454 // a stack that still contains valid data. The old stack pointer

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3455 // oldp will be set again before the context switch to guarantee

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3456 // that it points to exactly the correct stack location so the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3457 // successive pop operations will succeed.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3458 *oldp = getStackTop();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3459 volatile tobj.m_lock = true;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3460 tobj.pushContext( m_ctxt );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3461

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3462 fiber_switchContext( oldp, newp );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3463

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3464 // NOTE: As above, these operations must be performed in a strict order

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3465 // to prevent Bad Things from happening.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3466 tobj.popContext();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3467 volatile tobj.m_lock = false;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3468 tobj.m_curr.tstack = tobj.m_curr.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3469 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3470

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3471

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3472 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3473 // Switches out of the current stack and into the enclosing stack.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3474 //

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3475 final void switchOut()

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3476 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3477 Thread tobj = Thread.getThis();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3478 void** oldp = &m_ctxt.tstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3479 void* newp = tobj.m_curr.within.tstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3480

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3481 // NOTE: The order of operations here is very important. The current

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3482 // stack top must be stored before m_lock is set, and pushContext

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3483 // must not be called until after m_lock is set. This process

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3484 // is intended to prevent a race condition with the suspend

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3485 // mechanism used for garbage collection. If it is not followed,

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3486 // a badly timed collection could cause the GC to scan from the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3487 // bottom of one stack to the top of another, or to miss scanning

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3488 // a stack that still contains valid data. The old stack pointer

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3489 // oldp will be set again before the context switch to guarantee

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3490 // that it points to exactly the correct stack location so the

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3491 // successive pop operations will succeed.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3492 *oldp = getStackTop();

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3493 volatile tobj.m_lock = true;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3494

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3495 fiber_switchContext( oldp, newp );

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3496

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3497 // NOTE: As above, these operations must be performed in a strict order

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3498 // to prevent Bad Things from happening.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3499 volatile tobj.m_lock = false;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3500 tobj.m_curr.tstack = tobj.m_curr.bstack;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3501 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3502 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3503

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3504 version (OSX)

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3505 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3506 /* The Mach-O object file format does not allow for thread local storage

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3507 * declarations. So, instead we roll our own by putting tls into

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3508 * the sections __tlsdata and __tlscoal_nt.

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3509 */

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3510

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3511 extern (D)

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3512 void* ___tls_get_addr(void* p)

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3513 {

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3514 return p;

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3515 }

e0b2d67cfe7c Added druntime (this should be removed once it works).

Robert Clipsham <robert@octarineparrot.com>

parents:

diff changeset

3516 }

Mercurial > projects > ldc

annotate druntime/src/common/core/thread.d @ 1458:e0b2d67cfe7c