openh264/codec/common/inc/WelsLock.h

98 lines
2.4 KiB
C++

/*!
* \copy
* Copyright (c) 2009-2015, 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 WelsLock.h
*
* \brief class wrapping for locks
*
* \date 5/09/2012 Created
*
*************************************************************************************
*/
#ifndef _WELS_LOCK_H_
#define _WELS_LOCK_H_
#include "macros.h"
#include "typedefs.h"
#include "WelsThreadLib.h"
namespace WelsCommon {
class CWelsLock {
DISALLOW_COPY_AND_ASSIGN (CWelsLock);
public:
CWelsLock() {
WelsMutexInit (&m_cMutex);
}
virtual ~CWelsLock() {
WelsMutexDestroy (&m_cMutex);
}
WELS_THREAD_ERROR_CODE Lock() {
return WelsMutexLock (&m_cMutex);
}
WELS_THREAD_ERROR_CODE Unlock() {
return WelsMutexUnlock (&m_cMutex);
}
private:
WELS_MUTEX m_cMutex;
};
class CWelsAutoLock {
DISALLOW_COPY_AND_ASSIGN (CWelsAutoLock);
public:
CWelsAutoLock (CWelsLock& cLock) : m_cLock (cLock) {
m_cLock.Lock();
}
virtual ~CWelsAutoLock() {
m_cLock.Unlock();
}
private:
CWelsLock& m_cLock;
};
}
#endif