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317 lines
4.5 KiB
317 lines
4.5 KiB
/*++
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Copyright (c) 1996 Microsoft Corporation
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All rights reserved.
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Module Name:
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trace.hxx
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Abstract:
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Holds logging routines.
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Author:
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Albert Ting (AlbertT) 24-May-1996
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Revision History:
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--*/
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#ifndef _TRACE_HXX
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#define _TRACE_HXX
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#ifdef __cplusplus
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enum COMPARE {
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kLess = -1,
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kEqual = 0,
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kGreater = 1
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};
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extern CRITICAL_SECTION gcsBackTrace;
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#ifdef TRACE_ENABLED
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class TMemBlock;
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class TBackTraceDB {
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SIGNATURE( 'btdb' )
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public:
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enum CONSTANTS {
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kBlockSize = 0x4000
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};
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TBackTraceDB(
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VOID
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);
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~TBackTraceDB(
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VOID
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);
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BOOL
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bValid(
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VOID
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);
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HANDLE
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hStore(
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ULONG ulHash,
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PVOID pvBackTrace
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);
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PLONG
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plGetCount(
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HANDLE hData
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);
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private:
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class TTrace {
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friend TDebugExt;
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public:
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COMPARE
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eCompareHash(
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ULONG ulHash
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) const;
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COMPARE
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eCompareBackTrace(
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PVOID pvBackTrace
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) const;
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static
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TTrace*
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pNew(
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TBackTraceDB *pBackTraceDB,
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ULONG ulHash,
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PVOID pvBackTrace,
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TTrace ** ppTrace
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);
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VAR( TTrace*, pLeft );
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VAR( TTrace*, pRight );
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VAR( ULONG, ulHash );
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VAR( LONG, lCount );
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PVOID apvBackTrace[1];
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private:
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//
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// Don't allow instantiation.
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//
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TTrace();
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~TTrace();
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};
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TTrace*
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ptFind(
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ULONG ulHash,
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PVOID pvBackTrace,
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TTrace ***pppTrace
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);
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TTrace *_pTraceHead;
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TMemBlock *_pMemBlock;
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friend TTrace;
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friend TDebugExt;
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};
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#endif // TRACE_ENABLED
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class VBackTrace {
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friend TDebugExt;
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SIGNATURE( 'vbt' )
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ALWAYS_VALID
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public:
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enum CONSTANTS {
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//
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// fOptions.
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//
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kString = 0x1,
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kMaxDepth = 0xd
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};
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VBackTrace(
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ULONG_PTR fOptions1 = 0,
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ULONG_PTR fOptions2 = 0
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);
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virtual
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~VBackTrace(
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VOID
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);
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virtual
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HANDLE
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hCapture(
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ULONG_PTR Info1,
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ULONG_PTR Info2,
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ULONG_PTR Info3 = 0,
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PULONG pHash = NULL
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)
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#ifdef TRACE_ENABLED
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= 0
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#endif
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;
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static
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BOOL
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bInit(
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VOID
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);
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static
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VOID
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vDone(
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VOID
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);
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PLONG
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plGetCount(
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HANDLE hData
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);
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protected:
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struct TLine {
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HANDLE _hTrace;
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ULONG_PTR _Info1;
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ULONG_PTR _Info2;
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ULONG_PTR _Info3;
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DWORD _ThreadId;
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ULONG_PTR _TickCount;
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};
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ULONG_PTR _fOptions1;
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ULONG_PTR _fOptions2;
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static BOOL gbInitialized;
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};
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#ifdef TRACE_ENABLED
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/********************************************************************
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Backtracing to memory.
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********************************************************************/
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class TBackTraceMem : public VBackTrace {
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friend TDebugExt;
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friend VBackTrace;
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SIGNATURE( 'btm' )
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ALWAYS_VALID
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public:
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enum {
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kMaxCall = 0x800,
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kBlockSize = 0x4000
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};
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TBackTraceMem(
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ULONG_PTR fOptions1 = 0,
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ULONG_PTR fOptions2 = 0
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);
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~TBackTraceMem(
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VOID
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);
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HANDLE
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hCapture(
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ULONG_PTR Info1,
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ULONG_PTR Info2,
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ULONG_PTR Info3 = 0,
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PULONG pHash = NULL
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);
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private:
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VOID
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vCaptureLine(
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TLine* pLine,
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ULONG_PTR Info1,
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ULONG_PTR Info2,
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ULONG_PTR Info3,
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PVOID apvBackTrace[VBackTrace::kMaxDepth+1],
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PULONG pulHash
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);
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UINT _uNextFree;
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TLine* _pLines;
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};
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/********************************************************************
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Backtracing to file.
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********************************************************************/
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class TBackTraceFile : public VBackTrace {
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friend TDebugExt;
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SIGNATURE( 'btf' )
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ALWAYS_VALID
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public:
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TBackTraceFile(
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ULONG_PTR fOptions1 = 0,
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ULONG_PTR fOptions2 = 0
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);
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~TBackTraceFile(
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VOID
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);
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HANDLE
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hCapture(
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ULONG_PTR Info1,
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ULONG_PTR Info2,
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ULONG_PTR Info3 = 0,
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PULONG pHash = NULL
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);
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private:
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enum {
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kMaxPath = MAX_PATH,
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kMaxLineStr = 512
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};
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HANDLE _hFile;
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static COUNT gcInstances;
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};
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#else // TRACE_ENABLED
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class TBackTraceFile : public VBackTrace
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{
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};
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class TBackTraceMem : public VBackTrace
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{
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};
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#endif
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#endif // #ifdef __cplusplus
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#endif // #ifdef _TRACE_HXX
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