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/* sem_clockwait -- wait on a semaphore with timeout using the specified
clock.
Copyright (C) 2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <time.h>
#include "sem_waitcommon.c"
int
sem_clockwait (sem_t *sem, clockid_t clockid,
const struct timespec *abstime)
{
/* Check that supplied clockid is one we support, even if we don't end up
waiting. */
if (!futex_abstimed_supported_clockid (clockid))
{
__set_errno (EINVAL);
return -1;
}
if (! valid_nanoseconds (abstime->tv_nsec))
{
__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, clockid, abstime);
}
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