75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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leaks.h
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Abstract:
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header for leak filter dll
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Author:
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Charlie Wickham (charlwi) 28-Sep-1998
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Environment:
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User Mode
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Revision History:
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--*/
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//
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// keep a table of caller and caller's caller for open handles. indexed by
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// handle value divided by 4. !leaks in clusexts will display this info.
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//
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typedef enum _LEAKS_HANDLE_TYPE {
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LeaksEvent = 1,
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LeaksRegistry,
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LeaksToken
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} LEAKS_HANDLE_TYPE;
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typedef struct _HANDLE_TABLE {
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PVOID Caller;
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PVOID CallersCaller;
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LEAKS_HANDLE_TYPE HandleType;
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BOOL InUse;
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} HANDLE_TABLE, *PHANDLE_TABLE;
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#define MAX_HANDLE 4096
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#define HANDLE_DELTA 4
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#define HINDEX( _h ) (((DWORD_PTR) _h ) / HANDLE_DELTA )
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#define SetHandleTable( _h, _inuse, _htype ) \
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{ \
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RtlGetCallersAddress(&callersAddress, \
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&callersCaller ); \
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HandleTable[ HINDEX( _h )].InUse = _inuse; \
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HandleTable[ HINDEX( _h )].HandleType = _htype; \
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HandleTable[ HINDEX( _h )].Caller = callersAddress; \
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HandleTable[ HINDEX( _h )].CallersCaller = callersCaller; \
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}
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//
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// leaks memory header. This structure is at the front of the allocated area
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// and the area behind it is returned to the caller. PlaceHolder holds the
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// heap free list pointer. Signature holds ALOC or FREE.
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//
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#define HEAP_SIGNATURE_ALLOC 'COLA'
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#define HEAP_SIGNATURE_FREE 'EERF'
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typedef struct _MEM_HDR {
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PVOID PlaceHolder;
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DWORD Signature;
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PVOID CallersAddress;
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PVOID CallersCaller;
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} MEM_HDR, *PMEM_HDR;
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/* end leaks.h */
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