YiReferenceCounter.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_REFERENCE_COUNTER_H_
#define _YI_REFERENCE_COUNTER_H_

#include "framework/YiPredef.h"
#include "logging/YiLoggerHelper.h"

#include <atomic>

#define YI_LOG_SHARED_PTR_COUNTS 0

class CYIReferenceCounter
{
public:
    inline CYIReferenceCounter();

    inline ~CYIReferenceCounter();

    inline uint32_t StrongRef();

    inline uint32_t StrongDeref();

    inline uint32_t WeakRef();

    inline uint32_t WeakDeref();

    inline uint32_t GetStrongRefCount() const;

    inline uint32_t GetWeakRefCount() const;

#if YI_LOG_SHARED_PTR_COUNTS

    inline void EnableCountsLogging();
    
    inline bool IsCountsLoggingEnabled() const;
#endif

private:

    CYIReferenceCounter(const CYIReferenceCounter &rOther);
    CYIReferenceCounter& operator=(const CYIReferenceCounter &rOther);

#if YI_LOG_SHARED_PTR_COUNTS
    bool m_bLogCounts;
#endif
    std::atomic<uint32_t> m_uStrongRefCount;
    std::atomic<uint32_t> m_uWeakRefCount;
};

#include "smartptr/YiReferenceCounter.inl"

#endif /* _YI_REFERENCE_COUNTER_H_ */