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/* Copyright (C) 2020 Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>
*
* This 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.
*
* This 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 this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _LIBIGLOO__RWLOCK_H_
#define _LIBIGLOO__RWLOCK_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h> /* for size_t */
#include <pthread.h>
typedef struct {
pthread_rwlock_t lock;
size_t wlockc;
pthread_t writer;
} igloo_rwlock_t;
void igloo_rwlock_init(igloo_rwlock_t *lock);
void igloo_rwlock_destroy(igloo_rwlock_t *lock);
void igloo_rwlock_rlock(igloo_rwlock_t *lock);
void igloo_rwlock_wlock(igloo_rwlock_t *lock);
void igloo_rwlock_unlock(igloo_rwlock_t *lock);
#ifdef __cplusplus
}
#endif
#endif /* ! _LIBIGLOO__RWLOCK_H_ */
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