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/* Copyright (C) 2003-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky <schwidefsky@de.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 "pthread_rwlock_common.c"
/* See pthread_rwlock_common.c. */
int
pthread_rwlock_timedrdlock (pthread_rwlock_t *rwlock,
const struct timespec *abstime)
{
/* Make sure the passed in timeout value is valid. Note that the previous
implementation assumed that this check *must* not be performed if there
would in fact be no blocking; however, POSIX only requires that "the
validity of the abstime parameter need not be checked if the lock can be
immediately acquired" (i.e., we need not but may check it). */
/* ??? Just move this to __pthread_rwlock_rdlock_full? */
if (__glibc_unlikely (abstime->tv_nsec >= 1000000000
|| abstime->tv_nsec < 0))
return EINVAL;
return __pthread_rwlock_rdlock_full (rwlock, abstime);
}
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