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67 lines
1.5 KiB
67 lines
1.5 KiB
/*++
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Copyright (c) 1996,1997 Microsoft Corporation
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Module Name:
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HANDLES.H
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Abstract:
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Handle Table
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Author:
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Aaron Ogus (aarono)
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Environment:
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Win32
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Revision History:
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Date Author Description
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====== ====== ============================================================
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2/16/98 aarono Original
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--*/
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#ifndef _MYHANDLE_H_
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#define _MYHANDLE_H_
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#define LIST_END 0xFFFFFFFF
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#define MYHANDLE_DEFAULT_GROWSIZE 16
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#define N_UNIQUE_BITS 16
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#define UNIQUE_ADD (1<<(32-N_UNIQUE_BITS))
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#define CONTEXT_INDEX_MASK (UNIQUE_ADD-1)
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#define CONTEXT_UNIQUE_MASK (0xFFFFFFFF-CONTEXT_INDEX_MASK)
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typedef struct _myhandle {
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LPVOID lpv;
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union {
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UINT nUnique;
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UINT iNext;
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};
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} MYHANDLE, *LPMYHANDLE;
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typedef struct _myhandletable {
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UINT nUnique;
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UINT nTableSize;
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UINT nTableGrowSize;
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UINT iNext;
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MYHANDLE Table[0];
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} MYHANDLETABLE, *LPMYHANDLETABLE;
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typedef volatile LPMYHANDLETABLE VOLLPMYHANDLETABLE, *LPVOLLPMYHANDLETABLE;
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extern VOLLPMYHANDLETABLE InitHandleTable(UINT nSize, CRITICAL_SECTION *pcs, UINT nGrowSize);
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extern VOID FiniHandleTable(LPMYHANDLETABLE lpTable, CRITICAL_SECTION *pcs);
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extern DWORD AllocHandleTableEntry(LPVOLLPMYHANDLETABLE lplpTable, CRITICAL_SECTION *pcs, LPVOID lpv);
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extern LPVOID ReadHandleTableEntry(LPVOLLPMYHANDLETABLE lplpTable, CRITICAL_SECTION *pcs, UINT handle);
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extern HRESULT FreeHandleTableEntry(LPVOLLPMYHANDLETABLE lplpTable, CRITICAL_SECTION *pcs, UINT handle);
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#endif
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