| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* sem_timedwait -- wait on a semaphore with timeout. |
| 2 | Copyright (C) 2003-2016 Free Software Foundation, Inc. |
| 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 |
| 17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include "sem_waitcommon.c" |
| 21 | |
| 22 | /* This is in a separate file because because sem_timedwait is only provided |
| 23 | if __USE_XOPEN2K is defined. */ |
| 24 | int |
| 25 | sem_timedwait (sem_t *sem, const struct timespec *abstime) |
| 26 | { |
| 27 | if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) |
| 28 | { |
| 29 | __set_errno (EINVAL); |
| 30 | return -1; |
| 31 | } |
| 32 | |
| 33 | if (__new_sem_wait_fast ((struct new_sem *) sem, 0) == 0) |
| 34 | return 0; |
| 35 | else |
| 36 | return __new_sem_wait_slow((struct new_sem *) sem, abstime); |
| 37 | } |