/* 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_timedwrlock (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_wrlock_full?  */

  if (__glibc_unlikely (abstime->tv_nsec >= 1000000000

      || abstime->tv_nsec < 0))

    return EINVAL;

  return __pthread_rwlock_wrlock_full (rwlock, abstime);

}