| 1 | /******************************************************************** |
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| 2 | * |
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| 3 | * memchain.h - Utility for associating allocated memory |
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| 4 | * |
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| 5 | * Copyright 1997-2002 TeraLogic, Inc. |
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| 6 | * All Rights Reserved |
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| 7 | * |
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| 8 | * memChainCreate: Creates a memChain object. |
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| 9 | * (O) instance: returns the memChain instance. |
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| 10 | * (I) memLimit: Optionally limits the memory allocated with a |
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| 11 | * memChain. Set to 0xFFFFFFFF for no limit. |
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| 12 | * |
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| 13 | * memChainDestroy: Destroys a memChain object. |
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| 14 | * (I) instance: The memChain instance. |
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| 15 | * |
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| 16 | * memChainAlloc: Allocates a memory block and associates it with |
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| 17 | * the specified memChain object. |
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| 18 | * (I) instance: The memChain instance. |
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| 19 | * (I) size: Size of memory (in bytes) requested. |
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| 20 | * |
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| 21 | * _Id: memchain.h,v 1.1 2002/06/10 17:20:08 tvogt Exp |
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| 22 | ********************************************************************/ |
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| 23 | |
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| 24 | #ifndef _memchain_h |
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| 25 | #define _memchain_h |
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| 26 | |
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| 27 | #include "dsthallocal.h" |
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| 28 | |
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| 29 | #ifdef __cplusplus |
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| 30 | extern "C" { |
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| 31 | #endif |
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| 32 | |
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| 33 | |
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| 34 | |
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| 35 | |
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| 36 | /* user-defined malloc/free */ |
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| 37 | typedef void* (*myMalloc_f) (unsigned int size, const char *strFunctionName, int nLine); |
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| 38 | typedef void (*myFree_f) (void *block, const char *strFunctionName, int nLine); |
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| 39 | |
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| 40 | /* memChain Setup Info */ |
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| 41 | typedef struct memChainSetup { |
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| 42 | DS_U32 memLimit; |
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| 43 | myMalloc_f Malloc; |
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| 44 | myFree_f Free; |
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| 45 | } memChainSetup_t, *memChainSetupPtr_t; |
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| 46 | |
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| 47 | typedef struct memChainHead* memId_t; |
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| 48 | |
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| 49 | /* API */ |
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| 50 | #define memChainCreate(a, b) _memChainCreate((a), (b), __func__, __LINE__) |
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| 51 | #define memChainDestroy(a) _memChainDestroy((a), __func__, __LINE__) |
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| 52 | #define memChainAlloc(a, b) _memChainAlloc((a), (b), __func__, __LINE__) |
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| 53 | |
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| 54 | DHL_RESULT _memChainCreate (memId_t *memId, memChainSetupPtr_t setupPtr, const char *func, int nLine); |
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| 55 | DHL_RESULT _memChainDestroy (memId_t memId, const char *func, int nLine); |
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| 56 | void* _memChainAlloc (memId_t memId, DS_U32 size, const char *func, int nLine); |
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| 57 | |
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| 58 | |
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| 59 | |
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| 60 | #ifdef __cplusplus |
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| 61 | } |
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| 62 | #endif |
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| 63 | |
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| 64 | |
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| 65 | |
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| 66 | #endif /* _memchain_h */ |
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| 67 | /******************************************************************** |
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| 68 | * _Log: memchain.h,v |
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| 69 | * Revision 1.1 2002/06/10 17:20:08 tvogt |
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| 70 | * First checkin of TL9xx Transport Driver |
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| 71 | * |
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| 72 | * |
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| 73 | * TL8xx Derived Revision 1.6.12.1 2002/01/12 11:09:12 neelakan |
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| 74 | ********************************************************************/ |
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