1 /* Copyright (C) 2002, 2003, 2004 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include <shlib-compat.h>
22 #include <pthread-errnos.h>
30 #define SYS_gettimeofday __NR_gettimeofday
38 .type sem_timedwait,@function
42 /* First check for cancellation. */
43 movl %gs:CANCELHANDLING, %eax
44 andl $0xfffffff9, %eax
62 /* Check whether the timeout value is valid. */
64 cfi_adjust_cfa_offset(4)
66 cfi_adjust_cfa_offset(4)
68 cfi_adjust_cfa_offset(4)
70 cfi_adjust_cfa_offset(12)
73 cfi_offset(7, -12) /* %edi */
75 /* Check for invalid nanosecond field. */
76 cmpl $1000000000, 4(%edi)
78 cfi_offset(6, -8) /* %esi */
81 cfi_offset(3, -16) /* %ebx */
82 7: call __pthread_enable_asynccancel
88 movl $SYS_gettimeofday, %eax
91 /* Compute relative timeout. */
94 mul %edx /* Milli seconds to nano seconds. */
100 addl $1000000000, %edx
103 movl $ETIMEDOUT, %esi
104 js 6f /* Time is already up. */
106 movl %ecx, (%esp) /* Store relative timeout. */
111 movl $SYS_futex, %eax
117 call __pthread_disable_asynccancel
121 cmpl $-EWOULDBLOCK, %esi
130 cmpxchgl %ecx, (%ebx)
134 cfi_adjust_cfa_offset(-12)
137 cfi_adjust_cfa_offset(-4)
140 cfi_adjust_cfa_offset(-4)
143 cfi_adjust_cfa_offset(-4)
147 cfi_adjust_cfa_offset(24)
148 cfi_offset(6, -8) /* %esi */
149 cfi_offset(7, -12) /* %edi */
150 cfi_offset(3, -16) /* %ebx */
154 call __i686.get_pc_thunk.bx
159 addl $_GLOBAL_OFFSET_TABLE_, %ebx
162 subl errno@gottpoff(%ebx), %edx
165 call __errno_location@plt
170 cfi_adjust_cfa_offset(-12)
173 cfi_adjust_cfa_offset(-4)
176 cfi_adjust_cfa_offset(-4)
179 cfi_adjust_cfa_offset(-4)
184 movl $0xffffffff, %gs:RESULT
186 orl $0x10, %gs:CANCELHANDLING
187 movl %gs:CLEANUP_JMP_BUF, %eax
188 jmp HIDDEN_JUMPTARGET (__pthread_unwind)
190 .size sem_timedwait,.-sem_timedwait