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/*
Copyright (C) 2008 Andreas Baumann <abaumann@yahoo.com>
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef WOLF_MUTEX_H
#define WOLF_MUTEX_H
/**
* @addtogroup wolf_threading Threading support
* @{
*/
/**
* @file mutex.h
* @brief Portable mutexes for thread synchronization
* @author Andreas Baumann <abaumann@yahoo.com>
*/
#ifdef __cplusplus
extern "C" {
#endif
#include "port/sys.h"
#include "errors.h"
#ifdef HAVE_PTHREADS
#include <pthread.h> /* for mutex functions */
#include <assert.h> /* for assert */
typedef pthread_mutex_t wolf_mutex_t;
#define WOLF_MUTEX_DEFAULT_ATTR PTHREAD_MUTEX_NORMAL
wolf_error_t wolf_mutex_init( wolf_mutex_t *mutex );
wolf_error_t wolf_mutex_destroy( wolf_mutex_t *mutex );
static INLINE void wolf_mutex_lock( wolf_mutex_t *mutex ) {
int res;
res = pthread_mutex_lock( mutex );
assert( res == 0 );
}
static INLINE void wolf_mutex_unlock( wolf_mutex_t *mutex ) {
int res;
res = pthread_mutex_unlock( mutex );
assert( res == 0 );
}
#endif /* HAVE_PTHREADS */
#ifdef _WIN32
#include <windows.h>
typedef CRITICAL_SECTION wolf_mutex_t;
#define WOLF_MUTEX_DEFAULT_ATTR
wolf_error_t wolf_mutex_init( wolf_mutex_t *mutex );
wolf_error_t wolf_mutex_destroy( wolf_mutex_t *mutex );
static INLINE void wolf_mutex_lock( wolf_mutex_t *mutex ) {
EnterCriticalSection( mutex );
}
static INLINE void wolf_mutex_unlock( wolf_mutex_t *mutex ) {
LeaveCriticalSection( mutex );
}
#endif /* _WIN32 */
#ifdef __cplusplus
}
#endif
/** @} */ /* @addtogroup wolf_threading */
#endif /* ifndef WOLF_MUTEX_H */
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