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6615f779 MC |
1 | /* sem_clockwait -- wait on a semaphore with timeout using the specified |
2 | clock. | |
3 | ||
2b778ceb | 4 | Copyright (C) 2019-2021 Free Software Foundation, Inc. |
6615f779 MC |
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 | |
5a82c748 | 19 | <https://www.gnu.org/licenses/>. */ |
6615f779 | 20 | |
48123656 | 21 | #include <time.h> |
b8d3e8fb | 22 | #include "semaphoreP.h" |
6615f779 MC |
23 | #include "sem_waitcommon.c" |
24 | ||
25 | int | |
b8d3e8fb LM |
26 | __sem_clockwait64 (sem_t *sem, clockid_t clockid, |
27 | const struct __timespec64 *abstime) | |
6615f779 MC |
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 | ||
48123656 | 37 | if (! valid_nanoseconds (abstime->tv_nsec)) |
6615f779 MC |
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 | |
b8d3e8fb | 46 | return __new_sem_wait_slow64 ((struct new_sem *) sem, clockid, abstime); |
6615f779 | 47 | } |
b8d3e8fb LM |
48 | |
49 | #if __TIMESIZE != 64 | |
50 | libpthread_hidden_def (__sem_clockwait64) | |
51 | ||
52 | int | |
53 | __sem_clockwait (sem_t *sem, clockid_t clockid, const struct timespec *abstime) | |
54 | { | |
55 | struct __timespec64 ts64 = valid_timespec_to_timespec64 (*abstime); | |
56 | ||
57 | return __sem_clockwait64 (sem, clockid, &ts64); | |
58 | } | |
59 | #endif | |
60 | weak_alias (__sem_clockwait, sem_clockwait) |