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/**
* @file thread.h
*
* @brief Threading portability and debug wrappers
*
* This file is part of the bladeRF project:
* http://www.github.com/nuand/bladeRF
*
* Copyright (c) 2014 Nuand LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef BLADERF_THREAD_H_
#define BLADERF_THREAD_H_
/* Currently, only pthreads is supported. In the future, native windows threads
* may be used; one of the objectives of this file is to ease that transistion.
*/
#include <pthread.h>
#include "rel_assert.h"
#define MUTEX pthread_mutex_t
#ifdef ENABLE_LOCK_CHECKS
# define MUTEX_INIT(m) do { \
int status; \
pthread_mutexattr_t mutex_attr; \
status = pthread_mutexattr_init(&mutex_attr); \
assert(status == 0 && "Mutex attr init failure"); \
status = pthread_mutexattr_settype(&mutex_attr, \
PTHREAD_MUTEX_ERRORCHECK); \
assert(status == 0 && "Mutex attr setype failure"); \
status = pthread_mutex_init(m, &mutex_attr); \
assert(status == 0 && "Mutex init failure"); \
} while (0)
# define MUTEX_LOCK(m) do { \
int status = pthread_mutex_lock(m); \
assert(status == 0 && "Mutex lock failure");\
} while (0)
# define MUTEX_UNLOCK(m) do { \
int status = pthread_mutex_unlock(m); \
assert(status == 0 && "Mutex unlock failure");\
} while (0)
# define MUTEX_DESTROY(m) do { \
int status = pthread_mutex_destroy(m); \
assert(status == 0 && "Mutex destroy failure");\
} while (0)
#else
# define MUTEX_INIT(m) pthread_mutex_init(m, NULL)
# define MUTEX_LOCK(m) pthread_mutex_lock(m)
# define MUTEX_UNLOCK(m) pthread_mutex_unlock(m)
# define MUTEX_DESTROY(m) pthread_mutex_destroy(m)
#endif
#endif
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