/* Copyright (C) 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
   OpenSolaris bits contributed by David Bartley
    <dtbartle@csclub.uwaterloo.ca>, 2008.

   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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <pthreadP.h>
#include <synch.h>


/* Try to acquire read lock for RWLOCK or return after specfied time.  */
int
pthread_rwlock_timedrdlock (rwlock, abstime)
     pthread_rwlock_t *rwlock;
     const struct timespec *abstime;
{
  COPY_TIMESPEC (abstime)
  int errval = __rw_timedrdlock ((rwlock_t *)rwlock, __abstime);
  if (errval == ETIME)
    return ETIMEDOUT;
  return errval;
}