161 lines
2.3 KiB
C++
161 lines
2.3 KiB
C++
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/*++
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Copyright (c) 1999-1999 Microsoft Corporation
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All rights reserved.
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Module Name:
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dbgheap.hxx
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Abstract:
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Debug heap header file
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Author:
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Steve Kiraly (SteveKi) 6-Feb-1999
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Revision History:
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--*/
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#ifndef _DBGHEAP_HXX_
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#define _DBGHEAP_HXX_
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DEBUG_NS_BEGIN
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class TDebugHeap
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{
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public:
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enum eConstants
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{
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kDefaultHeapSize = 64*1024,
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kDefaultHeapGranularity = sizeof(UINT_PTR),
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};
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enum eBlockState
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{
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kFree = 0,
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kInUse = 1,
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};
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struct BlockHeader
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{
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BlockHeader *pNext;
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SIZE_T uSize;
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eBlockState eStatus;
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};
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//
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// Function type for heap walk routine.
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//
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typedef BOOL(*pfHeapEnumProc)( BlockHeader *pBlock, PVOID pRefData );
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TDebugHeap::
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TDebugHeap(
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VOID
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);
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TDebugHeap::
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~TDebugHeap(
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VOID
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);
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BOOL
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TDebugHeap::
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Valid(
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VOID
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) const;
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VOID
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TDebugHeap::
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Initialize(
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VOID
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);
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VOID
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TDebugHeap::
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Destroy(
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VOID
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);
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PVOID
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TDebugHeap::
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Malloc(
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IN SIZE_T uSize
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);
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VOID
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TDebugHeap::
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Free(
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IN PVOID pData
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);
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BOOL
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TDebugHeap::
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Walk(
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IN pfHeapEnumProc pEnumProc,
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IN PVOID pRefData
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);
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private:
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//
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// Copying and assignment are not defined.
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//
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TDebugHeap::
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TDebugHeap(
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const TDebugHeap &rhs
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);
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const TDebugHeap &
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TDebugHeap::
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operator=(
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const TDebugHeap &rhs
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);
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static
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BOOL
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TDebugHeap::
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DefaultHeapEnumProc(
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IN BlockHeader *pBlockHeader,
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IN PVOID pRefData
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);
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VOID
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TDebugHeap::
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SplitBlock(
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IN BlockHeader *pBlock,
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IN SIZE_T size
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);
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VOID
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TDebugHeap::
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Coalesce(
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IN BlockHeader *pBlock
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);
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SIZE_T
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TDebugHeap::
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RoundUpToGranularity(
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IN SIZE_T uValue
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) const;
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VOID
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TDebugHeap::
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InitalizeClassMembers(
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VOID
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);
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BOOL m_bValid;
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BlockHeader *m_pHeap;
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HANDLE m_hHeap;
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SIZE_T m_uSize;
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UINT m_uGranularity;
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};
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DEBUG_NS_END
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#endif // _DBGHEAP_HXX_
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