Mercurial > projects > ldc
view lphobos/gc/gclinux.d @ 984:4c0df37d0421
Removing ldc.conf. (IMPORTANT: run 'cmake .' after pull)
Added it to .hgignore.
This gets rid of spurious differences caused by CMake regenerating it differently.
Just run 'cmake .' to get it back in your local checkout.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Thu, 19 Feb 2009 13:50:05 +0100 |
parents | 61615fa85940 |
children |
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// Copyright (C) 2001-2004 by Digital Mars, www.digitalmars.com // All Rights Reserved // Written by Walter Bright import std.c.linux.linuxextern; import std.c.linux.linux; /+ extern (C) { // from <sys/mman.h> void* mmap(void* addr, uint len, int prot, int flags, int fd, uint offset); int munmap(void* addr, uint len); const void* MAP_FAILED = cast(void*)-1; // from <bits/mman.h> enum { PROT_NONE = 0, PROT_READ = 1, PROT_WRITE = 2, PROT_EXEC = 4 } enum { MAP_SHARED = 1, MAP_PRIVATE = 2, MAP_TYPE = 0x0F, MAP_FIXED = 0x10, MAP_FILE = 0, MAP_ANON = 0x20 } } +/ /*********************************** * Map memory. */ void *os_mem_map(uint nbytes) { void *p; //errno = 0; p = mmap(null, nbytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); return (p == MAP_FAILED) ? null : p; } /*********************************** * Commit memory. * Returns: * 0 success * !=0 failure */ int os_mem_commit(void *base, uint offset, uint nbytes) { return 0; } /*********************************** * Decommit memory. * Returns: * 0 success * !=0 failure */ int os_mem_decommit(void *base, uint offset, uint nbytes) { return 0; } /*********************************** * Unmap memory allocated with os_mem_map(). * Returns: * 0 success * !=0 failure */ int os_mem_unmap(void *base, uint nbytes) { return munmap(base, nbytes); } /********************************************** * Determine "bottom" of stack (actually the top on x86 systems). */ void *os_query_stackBottom() { version (none) { // See discussion: http://autopackage.org/forums/viewtopic.php?t=22 static void** libc_stack_end; if (libc_stack_end == libc_stack_end.init) { void* handle = dlopen(null, RTLD_NOW); libc_stack_end = cast(void **)dlsym(handle, "__libc_stack_end"); dlclose(handle); } return *libc_stack_end; } else { // This doesn't resolve on all versions of Linux return __libc_stack_end; } } /********************************************** * Determine base address and size of static data segment. */ void os_query_staticdataseg(void **base, uint *nbytes) { *base = cast(void *)&__data_start; *nbytes = cast(byte *)&_end - cast(byte *)&__data_start; }