pt-rwlock-wrlock.c

GNU Hurd 源代码

/* Acquire a rwlock for writing.  Generic version.
   Copyright (C) 2002 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 Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <pthread.h>
#include <assert.h>

#include <pt-internal.h>

/* Implemented in pt-rwlock-timedwrlock.c.  */
extern int __pthread_rwlock_timedwrlock_internal (struct __pthread_rwlock *rwlock,
						  const struct timespec *abstime);

/* Acquire RWLOCK for writing.  */
int
pthread_rwlock_wrlock (struct __pthread_rwlock *rwlock)
{
  return __pthread_rwlock_timedwrlock_internal (rwlock, 0);
}