52 lines
856 B
C++
52 lines
856 B
C++
#include "precomp.h"
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#include "referenc.h"
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REFCOUNT::REFCOUNT() :
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NumRefs(0),
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bMarkedForDelete(FALSE),
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bOnStack(FALSE)
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{
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}
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REFCOUNT::~REFCOUNT()
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{
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// Objects being destroyed should have no
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// outstanding references to them and should
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// have been explicitly deleted.
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ASSERT(NumRefs == 0);
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ASSERT(bOnStack || bMarkedForDelete);
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}
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DWORD REFCOUNT::AddRef()
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{
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NumRefs++;
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return(NumRefs);
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}
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DWORD REFCOUNT::Release()
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{
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ASSERT(NumRefs);
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DWORD CurrentNumRefs = --NumRefs; // Save because object may be deleted
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if(!CurrentNumRefs) {
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if(bMarkedForDelete) {
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if (!bOnStack) {
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delete this;
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}
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}
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}
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return CurrentNumRefs;
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}
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DWORD REFCOUNT::Delete()
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{
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DWORD CurrentNumRefs = NumRefs; // Save because object may be deleted
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REFERENCE r(this);
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bMarkedForDelete = TRUE;
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return(CurrentNumRefs);
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}
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