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6615f779 MC |
1 | /* sem_clockwait -- wait on a semaphore with timeout using the specified |
2 | clock. | |
3 | ||
d614a753 | 4 | Copyright (C) 2019-2020 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> |
6615f779 MC |
22 | #include "sem_waitcommon.c" |
23 | ||
24 | int | |
25 | sem_clockwait (sem_t *sem, clockid_t clockid, | |
26 | const struct timespec *abstime) | |
27 | { | |
28 | /* Check that supplied clockid is one we support, even if we don't end up | |
29 | waiting. */ | |
30 | if (!futex_abstimed_supported_clockid (clockid)) | |
31 | { | |
32 | __set_errno (EINVAL); | |
33 | return -1; | |
34 | } | |
35 | ||
48123656 | 36 | if (! valid_nanoseconds (abstime->tv_nsec)) |
6615f779 MC |
37 | { |
38 | __set_errno (EINVAL); | |
39 | return -1; | |
40 | } | |
41 | ||
42 | if (__new_sem_wait_fast ((struct new_sem *) sem, 0) == 0) | |
43 | return 0; | |
44 | else | |
45 | return __new_sem_wait_slow ((struct new_sem *) sem, clockid, abstime); | |
46 | } |