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/*
* Ouroboros - Copyright (C) 2016
*
* Read/Write locks
*
* Dimitri Staessens <dimitri.staessens@intec.ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef OUROBOROS_RWLOCK_H
#define OUROBOROS_RWLOCK_H
#include <ouroboros/config.h>
#include <pthread.h>
typedef struct rw_lock {
pthread_mutex_t lock;
pthread_mutex_t i_lock;
int i;
} rw_lock_t;
int rw_lock_init(rw_lock_t * lock);
void rw_lock_destroy(rw_lock_t * lock);
int rw_lock_rdlock(rw_lock_t * lock);
int rw_lock_wrlock(rw_lock_t * lock);
int rw_lock_unlock(rw_lock_t * lock);
#endif /* OUROBOROS_RWLOCK_H */
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