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o3de/Code/CryEngine/CryCommon/IFunctorBase.h

58 lines
1.4 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
// Description : Base header for multi DLL functors.
#ifndef CRYINCLUDE_CRYCOMMON_IFUNCTORBASE_H
#define CRYINCLUDE_CRYCOMMON_IFUNCTORBASE_H
#pragma once
// Base class for functor storage.
// Not intended for direct usage.
class IFunctorBase
{
public:
IFunctorBase()
: m_nReferences(0){}
virtual ~IFunctorBase(){};
virtual void Call() = 0;
void AddRef()
{
CryInterlockedIncrement(&m_nReferences);
}
void Release()
{
if (CryInterlockedDecrement(&m_nReferences) <= 0)
{
delete this;
}
}
protected:
volatile int m_nReferences;
};
// Base Template for specialization.
// Not intended for direct usage.
template<typename tType>
class TFunctor
: public IFunctorBase
{
};
#endif // CRYINCLUDE_CRYCOMMON_IFUNCTORBASE_H