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glibc  2.9
pthreaddef.h
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00001 /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 /* Default stack size.  */
00021 #define ARCH_STACK_DEFAULT_SIZE    (2 * 1024 * 1024)
00022 
00023 /* Required stack pointer alignment at beginning.  SSE requires 16
00024    bytes.  */
00025 #define STACK_ALIGN         16
00026 
00027 /* Minimal stack size after allocating thread descriptor and guard size.  */
00028 #define MINIMAL_REST_STACK  2048
00029 
00030 /* Alignment requirement for TCB.  */
00031 #define TCB_ALIGNMENT              16
00032 
00033 
00034 /* Location of current stack frame.  */
00035 #define CURRENT_STACK_FRAME __builtin_frame_address (0)
00036 
00037 
00038 /* XXX Until we have a better place keep the definitions here.  */
00039 
00040 /* While there is no such syscall.  */
00041 #define __exit_thread_inline(val) \
00042   while (1) {                                                        \
00043     if (__builtin_constant_p (val) && (val) == 0)                           \
00044       asm volatile ("xorl %%ebx, %%ebx; int $0x80" :: "a" (__NR_exit));            \
00045     else                                                             \
00046       asm volatile ("movl %1, %%ebx; int $0x80"                             \
00047                   :: "a" (__NR_exit), "r" (val));                           \
00048   }