77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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wanarp2\ref.h
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Abstract:
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Generic structure referencing routines
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All these routines assume that the structure has the following field:
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LONG lRefCount
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setting REF_DEBUG to 1 results in noisy output about when a structure
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is referenced and derefenced
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Revision History:
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Amritansh Raghav
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--*/
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#if REF_DEBUG
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#define InitStructureRefCount(s, p, r) \
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{ \
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DbgPrint("\n<>%s refcount set to %d for %x (%s, %d)\n\n", \
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s, (r), (p), __FILE__, __LINE__); \
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(p)->lRefCount = r; \
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}
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#define ReferenceStructure(s, p) \
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{ \
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DbgPrint("\n++Ref %s %x to %d (%s, %d)\n\n", \
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s, p, InterlockedIncrement(&((p)->lRefCount)), \
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__FILE__, __LINE__); \
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}
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#define DereferenceStructure(s, p, f) \
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{ \
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LONG __lTemp; \
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__lTemp = InterlockedDecrement(&((p)->lRefCount)); \
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DbgPrint("\n--Deref %s %x to %d (%s, %d)\n\n", \
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s, (p), __lTemp, __FILE__, __LINE__); \
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if(__lTemp == 0) \
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{ \
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DbgPrint("\n>< Deleting %s at %x\n\n", \
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s, (p)); \
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(f)((p)); \
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} \
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}
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#else // REF_DEBUG
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#define InitStructureRefCount(s, p, r) \
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(p)->lRefCount = (r)
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#define ReferenceStructure(s, p) \
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InterlockedIncrement(&((p)->lRefCount))
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#define DereferenceStructure(s, p, f) \
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{ \
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if(InterlockedDecrement(&((p)->lRefCount)) == 0) \
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{ \
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(f)((p)); \
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} \
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}
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#endif // REF_DEBUG
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