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/*
* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef lock_h
#define lock_h
#include "NonCopyable.h"
#include <pthread.h>
namespace YamiMediaCodec{
class Lock
{
public:
Lock()
{
pthread_mutex_init(&m_lock, NULL);
}
~Lock()
{
pthread_mutex_destroy(&m_lock);
}
void acquire()
{
pthread_mutex_lock(&m_lock);
}
void release()
{
pthread_mutex_unlock(&m_lock);
}
void tryLock()
{
pthread_mutex_trylock(&m_lock);
}
friend class Condition;
private:
pthread_mutex_t m_lock;
DISALLOW_COPY_AND_ASSIGN(Lock);
};
class AutoLock
{
public:
explicit AutoLock(Lock& lock) : m_lock(lock)
{
m_lock.acquire();
}
~AutoLock()
{
m_lock.release();
}
Lock& m_lock;
private:
DISALLOW_COPY_AND_ASSIGN(AutoLock);
};
};
#endif
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