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042e1521 | 1 | /* sem_timedwait -- wait on a semaphore with timeout. |
d614a753 | 2 | Copyright (C) 2003-2020 Free Software Foundation, Inc. |
f3c13160 RM |
3 | This file is part of the GNU C Library. |
4 | Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 17 | License along with the GNU C Library; if not, see |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
f3c13160 | 19 | |
48123656 | 20 | #include <time.h> |
b8d3e8fb | 21 | #include "semaphoreP.h" |
042e1521 | 22 | #include "sem_waitcommon.c" |
3d2dd6ca | 23 | |
042e1521 CD |
24 | /* This is in a separate file because because sem_timedwait is only provided |
25 | if __USE_XOPEN2K is defined. */ | |
f3c13160 | 26 | int |
b8d3e8fb | 27 | __sem_timedwait64 (sem_t *sem, const struct __timespec64 *abstime) |
f3c13160 | 28 | { |
48123656 | 29 | if (! valid_nanoseconds (abstime->tv_nsec)) |
f3c13160 | 30 | { |
3d2dd6ca UD |
31 | __set_errno (EINVAL); |
32 | return -1; | |
f3c13160 RM |
33 | } |
34 | ||
47677f2e AZ |
35 | /* Check sem_wait.c for a more detailed explanation why it is required. */ |
36 | __pthread_testcancel (); | |
37 | ||
042e1521 CD |
38 | if (__new_sem_wait_fast ((struct new_sem *) sem, 0) == 0) |
39 | return 0; | |
40 | else | |
b8d3e8fb LM |
41 | return __new_sem_wait_slow64 ((struct new_sem *) sem, |
42 | CLOCK_REALTIME, abstime); | |
f3c13160 | 43 | } |
b8d3e8fb LM |
44 | |
45 | #if __TIMESIZE != 64 | |
46 | libpthread_hidden_def (__sem_timedwait64) | |
47 | ||
48 | int | |
49 | __sem_timedwait (sem_t *sem, const struct timespec *abstime) | |
50 | { | |
51 | struct __timespec64 ts64 = valid_timespec_to_timespec64 (*abstime); | |
52 | ||
53 | return __sem_timedwait64 (sem, &ts64); | |
54 | } | |
55 | #endif | |
56 | weak_alias (__sem_timedwait, sem_timedwait) |