shithub: openh264

ref: 3747f562492ea301b84e3eae4fa8cae765d95ccb
dir: /processing/src/common/thread.cpp/

/*!
 * \copy
 *     Copyright (c)  2009-2013, Cisco Systems
 *     All rights reserved.
 *
 *     Redistribution and use in source and binary forms, with or without
 *     modification, are permitted provided that the following conditions
 *     are met:
 *
 *        * Redistributions of source code must retain the above copyright
 *          notice, this list of conditions and the following disclaimer.
 *
 *        * Redistributions in binary form must reproduce the above copyright
 *          notice, this list of conditions and the following disclaimer in
 *          the documentation and/or other materials provided with the
 *          distribution.
 *
 *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *     POSSIBILITY OF SUCH DAMAGE.
 *
 * \file	thread.cpp
 *
 * \brief	Interfaces introduced in thread programming
 *
 * \date	11/17/2009 Created
 *
 *************************************************************************************
 */

#include "thread.h"

WELSVP_NAMESPACE_BEGIN

#if defined(WIN32)

WELS_THREAD_ERROR_CODE    WelsMutexInit( WELS_MUTEX   * mutex )
{
	InitializeCriticalSection(mutex);

	return WELS_THREAD_ERROR_OK;
}

WELS_THREAD_ERROR_CODE    WelsMutexLock( WELS_MUTEX   * mutex )
{
	EnterCriticalSection(mutex);

	return WELS_THREAD_ERROR_OK;
}

WELS_THREAD_ERROR_CODE    WelsMutexUnlock( WELS_MUTEX * mutex )
{
	LeaveCriticalSection(mutex);

	return WELS_THREAD_ERROR_OK;
}

WELS_THREAD_ERROR_CODE    WelsMutexDestroy( WELS_MUTEX * mutex )
{
    DeleteCriticalSection(mutex);

	return WELS_THREAD_ERROR_OK;
}

#elif  defined(__GNUC__)

WELS_THREAD_ERROR_CODE    WelsMutexInit( WELS_MUTEX   * mutex )
{
	return pthread_mutex_init(mutex, NULL);
}

WELS_THREAD_ERROR_CODE    WelsMutexLock( WELS_MUTEX   * mutex )
{
	return pthread_mutex_lock(mutex);
}

WELS_THREAD_ERROR_CODE    WelsMutexUnlock( WELS_MUTEX * mutex )
{
	return pthread_mutex_unlock(mutex);
}

WELS_THREAD_ERROR_CODE    WelsMutexDestroy( WELS_MUTEX * mutex )
{
    return pthread_mutex_destroy(mutex);
}

#endif

WELSVP_NAMESPACE_END