Blame nptl/sem_timedwait.c

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