|  | /* sem_timedwait -- wait on a semaphore with timeout. | 
|  | Copyright (C) 2003-2016 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; | 
|  | } | 
|  |  | 
|  | if (__new_sem_wait_fast ((struct new_sem *) sem, 0) == 0) | 
|  | return 0; | 
|  | else | 
|  | return __new_sem_wait_slow((struct new_sem *) sem, abstime); | 
|  | } |