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/*****************************************************************************
* *
* PrimeSense PSCommon Library *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of PSCommon. *
* *
* 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 _XN_THREAD_SAFE_QUEUE_H_
#define _XN_THREAD_SAFE_QUEUE_H_
#include "XnQueue.h"
#include "XnOSCpp.h"
namespace xnl
{
template <class T, class TAlloc = LinkedNodeDefaultAllocator<T> >
class ThreadSafeQueue : protected Queue<T, TAlloc>
{
public:
typedef Queue<T, TAlloc> Base;
ThreadSafeQueue() : Base() {}
ThreadSafeQueue(const Queue& other) : Base()
{
*this = other;
}
ThreadSafeQueue& operator=(const ThreadSafeQueue& other)
{
Base::operator=(other);
return *this;
}
~ThreadSafeQueue() {}
XnStatus Push(const T& value)
{
XnStatus rc = XN_STATUS_OK;
m_cs.Lock();
rc = Base::Push(value);
m_cs.Unlock();
return rc;
}
XnStatus Pop(T& value)
{
XnStatus rc = XN_STATUS_OK;
m_cs.Lock();
rc = Base::Pop(value);
m_cs.Unlock();
return rc;
}
XnUInt32 Size() const
{
m_cs.Lock();
XnUInt32 size = Base::Size();
m_cs.Unlock();
return size;
}
using Base::IsEmpty;
protected:
CriticalSection m_cs;
};
} // xnl
#endif // _XN_THREAD_SAFE_QUEUE_H_
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