1/* sem_clockwait -- wait on a semaphore with timeout using the specified
2 clock.
3
4 Copyright (C) 2019-2023 Free Software Foundation, Inc.
5 This file is part of the GNU C Library.
6
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
11
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library; if not, see
19 <https://www.gnu.org/licenses/>. */
20
21#include <time.h>
22#include "semaphoreP.h"
23#include "sem_waitcommon.c"
24
25int
26___sem_clockwait64 (sem_t *sem, clockid_t clockid,
27 const struct __timespec64 *abstime)
28{
29 /* Check that supplied clockid is one we support, even if we don't end up
30 waiting. */
31 if (!futex_abstimed_supported_clockid (clockid))
32 {
33 __set_errno (EINVAL);
34 return -1;
35 }
36
37 if (! valid_nanoseconds (abstime->tv_nsec))
38 {
39 __set_errno (EINVAL);
40 return -1;
41 }
42
43 if (__new_sem_wait_fast ((struct new_sem *) sem, 0) == 0)
44 return 0;
45 else
46 return __new_sem_wait_slow64 ((struct new_sem *) sem, clockid, abstime);
47}
48
49#if __TIMESIZE == 64
50strong_alias (___sem_clockwait64, ___sem_clockwait)
51#else /* __TIMESPEC64 != 64 */
52strong_alias (___sem_clockwait64, __sem_clockwait64)
53libc_hidden_def (__sem_clockwait64)
54
55int
56___sem_clockwait (sem_t *sem, clockid_t clockid, const struct timespec *abstime)
57{
58 struct __timespec64 ts64 = valid_timespec_to_timespec64 (*abstime);
59
60 return __sem_clockwait64 (sem, clockid, &ts64);
61}
62#endif /* __TIMESPEC64 != 64 */
63versioned_symbol (libc, ___sem_clockwait, sem_clockwait, GLIBC_2_34);
64#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_30, GLIBC_2_34)
65compat_symbol (libpthread, ___sem_clockwait, sem_clockwait, GLIBC_2_30);
66#endif
67