CVShareable.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// Local
#include "CVCoreLib.h"
 
// system
#include <cassert>
 
// Activate shared objects tracking (for debug purposes)
#ifdef CV_DEBUG
// #define CV_TRACK_ALIVE_SHARED_OBJECTS
#endif
 
// CCShareable object (with counter)
class CV_CORE_LIB_API CCShareable {
public:
    CCShareable();
 
 
    virtual void link();
 
 
    virtual void release();
 
 
    inline virtual unsigned getLinkCount() const { return m_linkCount; }
 
#ifdef CV_TRACK_ALIVE_SHARED_OBJECTS
    static unsigned GetAliveCount();
#endif
 
protected:
 
    virtual ~CCShareable();
 
    unsigned m_linkCount;
};