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/* Initialize a rwlock. Generic version.
Copyright (C) 2002, 2005, 2006 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 <string.h>
#include <pt-internal.h>
int
_pthread_rwlock_init (pthread_rwlock_t *rwlock,
const pthread_rwlockattr_t *attr)
{
*rwlock = (pthread_rwlock_t) __PTHREAD_RWLOCK_INITIALIZER;
if (! attr
|| memcmp (attr, &__pthread_default_rwlockattr, sizeof (*attr) == 0))
/* Use the default attributes. */
return 0;
/* Non-default attributes. */
rwlock->__attr = malloc (sizeof *attr);
if (! rwlock->__attr)
return ENOMEM;
*rwlock->__attr = *attr;
return 0;
}
strong_alias (_pthread_rwlock_init, pthread_rwlock_init);
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