68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
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/*==========================================================================
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*
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* Copyright (C) 1995 Microsoft Corporation. All Rights Reserved.
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*
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* File: handles.h
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* Content: Handle manager header file
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*
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* History:
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* Date By Reason
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* ==== == ======
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* 08/19/99 mjn Created
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* 03/23/00 mjn Revised to ensure 64-bit compliance
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* 07/09/00 rmt Added signature bytes
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*
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***************************************************************************/
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#ifndef __HANDLES_H__
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#define __HANDLES_H__
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typedef struct
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{
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DWORD dwSerial;
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union
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{
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void *pvData;
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DWORD dwIndex;
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} Entry;
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} HANDLEELEMENT;
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#define DPLSIGNATURE_HANDLESTRUCT 'THLL'
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#define DPLSIGNATURE_HANDLESTRUCT_FREE 'LHL_'
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typedef struct _HANDLESTRUCT
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{
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DWORD dwSignature;
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DWORD dwNumHandles;
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DWORD dwFirstFreeHandle;
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DWORD dwLastFreeHandle;
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DWORD dwNumFreeHandles;
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DWORD dwSerial;
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DNCRITICAL_SECTION dncs;
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HANDLEELEMENT *HandleArray;
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} HANDLESTRUCT;
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HRESULT H_Grow(HANDLESTRUCT *const phs,
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const DWORD dwIncSize);
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HRESULT H_Initialize(HANDLESTRUCT *const phs,
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const DWORD dwInitialNum);
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void H_Terminate(HANDLESTRUCT *const phs);
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HRESULT H_Create(HANDLESTRUCT *const phs,
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void *const pvData,
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DWORD *const pHandle);
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HRESULT H_Destroy(HANDLESTRUCT *const phs,
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const DWORD handle);
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HRESULT H_Retrieve(HANDLESTRUCT *const phs,
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const DWORD handle,
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void **const ppvData);
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HRESULT H_Enum(HANDLESTRUCT *const phs,
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DWORD *const pdwNumHandles,
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DWORD *const rgHandles);
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#endif // __HANDLES_H__
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