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40 lines
840 B
40 lines
840 B
//
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// refcount.inl
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//
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// This file implements the member functions of
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// CRefCount as defined in smartptr.h.
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// Refer to smartptr.h for all information.
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//
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//-------------------------------------------
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//
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// Initialize the reference count to -1. We Use -1 so
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// that it will be possible to determine when the first reference
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// is made.
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//
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inline
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CRefCount::CRefCount( ) : m_refs( -1 ) { }
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//-------------------------------------------
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inline LONG
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CRefCount::AddRef( ) {
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//
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// Add a reference to an object.
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//
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return InterlockedIncrement( &m_refs ) ;
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}
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//-------------------------------------------
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inline LONG
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CRefCount::RemoveRef( ) {
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//
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// Remove a Reference from an object.
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// When this function returns a negative number the object
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// should be destroyed.
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//
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return InterlockedDecrement( &m_refs ) ;
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}
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