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58 lines
1.5 KiB
58 lines
1.5 KiB
/*==========================================================================
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*
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* Copyright (C) 1995 - 1997 Microsoft Corporation. All Rights Reserved.
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*
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* File: fpm.h
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* Content: fixed size pool manager
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*
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* History:
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* Date By Reason
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* ====== == ======
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* 12-18-97 aarono Original
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***************************************************************************/
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#ifndef _FPM_H_
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#define _FPM_H_
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typedef struct FPOOL *PFPOOL, *LPFPOOL;
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typedef BOOL (*FN_BLOCKINITALLOC)(void * pvItem);
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typedef VOID (*FN_BLOCKINIT)(void * pvItem);
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typedef VOID (*FN_BLOCKFINI)(void *pvItem);
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LPFPOOL FPM_Init(
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unsigned int size, // size of blocks in pool
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FN_BLOCKINITALLOC fnBlockInitAlloc, // fn called for each new alloc
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FN_BLOCKINIT fnBlockInit, // fn called each time block used
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FN_BLOCKFINI fnBlockFini // fn called before releasing mem
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);
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typedef void * (*FPM_GET)(LPFPOOL pPool);
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typedef void (*FPM_RELEASE)(LPFPOOL pPool, void *pvItem);
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typedef void (*FPM_SCALE)(LPFPOOL pPool);
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typedef void (*FPM_FINI)(LPFPOOL pPool, int bFORCE);
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typedef struct FPOOL {
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// external
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FPM_GET Get;
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FPM_RELEASE Release;
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FPM_SCALE Scale;
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FPM_FINI Fini;
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// internal
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FN_BLOCKINITALLOC fnBlockInitAlloc;
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FN_BLOCKINIT fnBlockInit;
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FN_BLOCKFINI fnBlockFini;
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int cbItemSize;
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void * pPool;
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int nAllocated;
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int nInUse;
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int nMaxInUse;
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int bInScale;
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CRITICAL_SECTION cs;
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} FPOOL, *LPFPOOL, *PFPOOL;
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#endif
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