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Diffstat (limited to 'include/ouroboros/rw_lock.h')
| -rw-r--r-- | include/ouroboros/rw_lock.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/ouroboros/rw_lock.h b/include/ouroboros/rw_lock.h new file mode 100644 index 00000000..03eee605 --- /dev/null +++ b/include/ouroboros/rw_lock.h @@ -0,0 +1,41 @@ +/* + * 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 */ |