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/* Copyright (C) 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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 <pthreadP.h>
#include <string.h>
#include <synch.h>
#include <synchP.h>
int rwlock_init (rwlock, type, arg)
rwlock_t *rwlock;
int type;
void * arg;
{
if (type != LOCK_NORMAL && type != LOCK_SHARED)
return EINVAL;
memset (rwlock, 0, sizeof(rwlock_t));
rwlock->type = type;
rwlock->magic = RWL_MAGIC;
rwlock->mutex.mutex_type = type;
rwlock->mutex.mutex_flag = LOCK_INITED;
rwlock->mutex.mutex_magic = MUTEX_MAGIC;
return 0;
}
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