| /* sem_timedwait -- wait on a semaphore with timeout. |
| Copyright (C) 2003-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "sem_waitcommon.c" |
| |
| /* This is in a separate file because because sem_timedwait is only provided |
| if __USE_XOPEN2K is defined. */ |
| int |
| sem_timedwait (sem_t *sem, const struct timespec *abstime) |
| { |
| if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) |
| { |
| __set_errno (EINVAL); |
| return -1; |
| } |
| |
| /* Check sem_wait.c for a more detailed explanation why it is required. */ |
| __pthread_testcancel (); |
| |
| if (__new_sem_wait_fast ((struct new_sem *) sem, 0) == 0) |
| return 0; |
| else |
| return __new_sem_wait_slow((struct new_sem *) sem, abstime); |
| } |