1 /* Copyright (C) 2002, 2003, 2005, 2007, 2008 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
20 #include <pthread-errnos.h>
21 #include <structsem.h>
22 #include <lowlevellock.h>
28 .type sem_post,@function
33 cfi_adjust_cfa_offset(4)
41 movl VALUE(%ebx), %eax
43 0: cmpl $SEM_VALUE_MAX, %eax
50 cmpxchgl %edx, VALUE(%ebx)
54 cmpl $0, NWAITERS(%ebx)
57 movl $FUTEX_WAKE, %ecx
58 orl PRIVATE(%ebx), %ecx
68 cfi_adjust_cfa_offset(-4)
72 cfi_adjust_cfa_offset(4)
76 call __x86.get_pc_thunk.bx
81 addl $_GLOBAL_OFFSET_TABLE_, %ebx
83 # ifdef NO_TLS_DIRECT_SEG_REFS
84 movl errno@gotntpoff(%ebx), %edx
88 movl errno@gotntpoff(%ebx), %edx
89 movl $EINVAL, %gs:(%edx)
92 call __errno_location@plt
102 call __x86.get_pc_thunk.bx
107 addl $_GLOBAL_OFFSET_TABLE_, %ebx
109 # ifdef NO_TLS_DIRECT_SEG_REFS
110 movl errno@gotntpoff(%ebx), %edx
112 movl $EOVERFLOW, (%edx)
114 movl errno@gotntpoff(%ebx), %edx
115 movl $EOVERFLOW, %gs:(%edx)
118 call __errno_location@plt
119 movl $EOVERFLOW, (%eax)
124 cfi_adjust_cfa_offset(-4)
128 .size sem_post,.-sem_post
131 .section .gnu.linkonce.t.__x86.get_pc_thunk.bx,"ax",@progbits
132 .globl __x86.get_pc_thunk.bx
133 .hidden __x86.get_pc_thunk.bx
134 .type __x86.get_pc_thunk.bx,@function
135 __x86.get_pc_thunk.bx:
138 .size __x86.get_pc_thunk.bx,.-__x86.get_pc_thunk.bx