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// -*- C++ -*-
//=============================================================================
/**
* @file Intrusive_Ref_Count_Base_T.h
*
* @authors Tim Bradley <bradley_t@ociweb.com>
*/
//=============================================================================
#ifndef TAO_INTRUSIVE_REF_COUNT_BASE_T_H
#define TAO_INTRUSIVE_REF_COUNT_BASE_T_H
#include /**/ "ace/pre.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include /**/ "tao/Versioned_Namespace.h"
#include "tao/Basic_Types.h"
#include <atomic>
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class TAO_Intrusive_Ref_Count_Base<ACE_LOCK>
*
* @brief Template base class to provide intrusive reference-counting
* to subclasses. This makes the subclass capable of using a
* TAO_Intrusive_Ref_Count_Handle<X> class as a smart-pointer
* to an X object. In this case, X is a sub-class of this class,
* TAO_Intrusive_Ref_Count_Base<ACE_LOCK>. The ACE_LOCK type is
* used to protect the atomic reference count data member.
*/
template <class ACE_LOCK>
class TAO_Intrusive_Ref_Count_Base
{
public:
virtual ~TAO_Intrusive_Ref_Count_Base ();
void _add_ref ();
void _remove_ref ();
protected:
TAO_Intrusive_Ref_Count_Base ();
private:
std::atomic<uint32_t> refcount_;
// Prevent copying/assignment.
TAO_Intrusive_Ref_Count_Base (const TAO_Intrusive_Ref_Count_Base&);
TAO_Intrusive_Ref_Count_Base& operator= (const TAO_Intrusive_Ref_Count_Base&);
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "tao/Intrusive_Ref_Count_Base_T.inl"
#endif /* __ACE_INLINE__ */
#include "tao/Intrusive_Ref_Count_Base_T.cpp"
#include /**/ "ace/post.h"
#endif /* TAO_INTRUSIVE_REF_COUNT_BASE_T_H */
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