85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
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//-----------------------------------------------------------------------------
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// Microsoft OLE DB TABLECOPY Sample
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// Copyright (C) 1996 By Microsoft Corporation.
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//
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// @doc
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//
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// @module SPY.HXX
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//
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//-----------------------------------------------------------------------------
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#pragma once
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static const ALLOC_SIGNATURE = 'A';
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static const FREE_SIGNATURE = 'F';
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//ROUNDUP on all platforms pointers must be aligned properly
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#define ROUNDUP_AMOUNT 8
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#define ROUNDUP_(size,amount) (((ULONG)(size)+((amount)-1))&~((amount)-1))
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#define ROUNDUP(size) ROUNDUP_(size, ROUNDUP_AMOUNT)
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/////////////////////////////////////////////////////////////////////////////
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// CMallocSpy
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//
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/////////////////////////////////////////////////////////////////////////////
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class CMallocSpy : public IMallocSpy
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{
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public:
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CMallocSpy(void);
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virtual ~CMallocSpy(void);
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//Interface
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virtual BOOL Add(void* pv);
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virtual BOOL Remove(void* pv);
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virtual BOOL DumpLeaks();
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// IUnknown methods
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virtual STDMETHODIMP QueryInterface(REFIID riid, void** ppIUnknown);
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virtual STDMETHODIMP_(ULONG) AddRef();
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virtual STDMETHODIMP_(ULONG) Release();
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// IMallocSpy methods
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//Alloc
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virtual STDMETHODIMP_(SIZE_T) PreAlloc(SIZE_T cbRequest);
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virtual STDMETHODIMP_(void*) PostAlloc(void *pActual);
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//Free
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virtual STDMETHODIMP_(void*) PreFree(void *pRequest, BOOL fSpyed);
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virtual STDMETHODIMP_(void ) PostFree(BOOL fSpyed);
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//Realloc
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virtual STDMETHODIMP_(SIZE_T) PreRealloc(void *pRequest, SIZE_T cbRequest, void **ppNewRequest, BOOL fSpyed);
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virtual STDMETHODIMP_(void*) PostRealloc(void *pActual, BOOL fSpyed);
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//GetSize
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virtual STDMETHODIMP_(void*) PreGetSize(void *pRequest, BOOL fSpyed);
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virtual STDMETHODIMP_(SIZE_T) PostGetSize(SIZE_T cbActual, BOOL fSpyed);
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//DidAlloc
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virtual STDMETHODIMP_(void*) PreDidAlloc(void *pRequest, BOOL fSpyed);
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virtual STDMETHODIMP_(BOOL) PostDidAlloc(void *pRequest, BOOL fSpyed, BOOL fActual);
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//HeapMinimize
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virtual STDMETHODIMP_(void ) PreHeapMinimize();
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virtual STDMETHODIMP_(void ) PostHeapMinimize();
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private:
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ULONG m_cRef; //Reference count
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SIZE_T m_cbRequest; //Bytes requested
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};
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/////////////////////////////////////////////////////////////////////////////
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// Registration
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//
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/////////////////////////////////////////////////////////////////////////////
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void MallocSpyRegister(CMallocSpy** ppCMallocSpy);
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void MallocSpyUnRegister(CMallocSpy* pCMallocSpy);
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void MallocSpyDump(CMallocSpy* pCMallocSpy);
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