50 lines
1.0 KiB
C++
50 lines
1.0 KiB
C++
// File: refcount.h
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#ifndef _REFCOUNT_H_
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#define _REFCOUNT_H_
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// RefCount destructor callback function
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typedef void (*OBJECTDESTROYEDPROC)(void);
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VOID STDMETHODCALLTYPE DLLObjectDestroyed(void);
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VOID DllLock(void);
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//////////////////////////////////////////////////////////////////////////
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class RefCount
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{
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protected:
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ULONG m_ulcRef;
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OBJECTDESTROYEDPROC m_ObjectDestroyed;
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#ifdef DEBUG
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BOOL m_fTrack;
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#endif
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public:
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RefCount(OBJECTDESTROYEDPROC ObjectDestroyed);
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// Virtual destructor defers to destructor of derived class.
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virtual ~RefCount(void);
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// IUnknown
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ULONG STDMETHODCALLTYPE AddRef(void);
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ULONG STDMETHODCALLTYPE Release(void);
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#ifdef DEBUG
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VOID SetTrack(BOOL fTrack) {m_fTrack = fTrack;}
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#endif
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};
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DECLARE_STANDARD_TYPES(RefCount);
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// Special version of the above that calls our standard Dll locking functions
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class DllRefCount : public RefCount
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{
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public:
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DllRefCount() : RefCount(&DLLObjectDestroyed) {DllLock();}
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~DllRefCount(void) {};
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};
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#endif /* _REFCOUNT_H_ */
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