/* smMemLibP.h - private shared memory management library header file *//* Copyright 1984-2002 Wind River Systems, Inc. *//*modification history--------------------01h,05may02,mas  added volatile pointers (SPR 68334)01g,29jan93,pme  added little endian support		 changed SM_BLOCK_HDR structure to avoid bit field use.01f,29sep92,pme  added smMemPartShow prototype 01e,22sep92,rrr  added support for c++01d,14sep92,smb  removed the prototype for smMemPartShow()01c,28jul92,pme  added align pragma for I960.01b,21jul92,pme  removed MEM_ROUND_UP and  MEM_IS_ROUND.01a,19jul92,pme  extracted from smMemLib v1b.*/#ifndef __INCsmMemLibPh#define __INCsmMemLibPh#ifdef __cplusplusextern "C" {#endif#include "vwModNum.h"#include "smMemLib.h"#include "smDllLib.h"#include "private/semSmLibP.h"/* defines */#define MEM_PART_TYPE_SM_STD	20	/* standard shared memory partition */#if (defined (CPU_FAMILY) && (CPU_FAMILY==I960) && (defined __GNUC__))#pragma align 1                 /* tell gcc960 not to optimize alignments */#endif  /* CPU_FAMILY==I960 *//* typedefs */typedef struct sm_obj_partition    {    UINT32       verify;              	/* partition is initialized */    UINT32       objType;              	/* partition type */    SM_DL_LIST   freeList;              /* list of free blocks */    SM_SEMAPHORE sem;                   /* partition semaphore */    unsigned     totalWords;            /* total number of words in pool */    unsigned     minBlockWords;         /* min blk size in words includes hdr */    unsigned     options;               /* options */    /* allocation statistics */    unsigned curBlocksAllocated;        /* current # of blocks allocated */    unsigned curWordsAllocated;         /* current # of words allocated */    unsigned cumBlocksAllocated;        /* cumulative # of blocks allocated */    unsigned cumWordsAllocated;         /* cumulative # of words allocated */    } SM_PARTITION;typedef struct sm_block_hdr     /* SM_BLOCK_HDR */    {    struct sm_block_hdr * pPrevHdr; 	/* pointer to previous block hdr */    unsigned              nWords;	/* size in words of this block */    unsigned              free;		/* TRUE = this block is free */    UINT32		  pad;		/* 4 byte pad for round up */    } SM_BLOCK_HDR;/* SM_FREE_BLOCK is the structure for a free block.  It includes the freelist * node in addition to the usual header. */typedef struct sm_free_block    /* SM_FREE_BLOCK */    {    SM_BLOCK_HDR 	hdr;	/* normal block header */    SM_DL_NODE 		node;	/* freelist links */    UINT32              pad;	/* 4 byte pad for round up */    } SM_FREE_BLOCK;/* defines *//* macros for getting to next and previous blocks */#define SM_NEXT_HDR(pHdr) \    ((SM_BLOCK_HDR *) ((char *) (pHdr) + (2 * ntohl ((int) ((pHdr)->nWords)))))#define SM_PREV_HDR(pHdr) \    ((SM_BLOCK_HDR *) (GLOB_TO_LOC_ADRS (ntohl ((int) ((pHdr)->pPrevHdr)))))/* macros for converting between the "block" that caller knows * (actual available data area) and the block header in front of it */#define SM_HDR_TO_BLOCK(pHdr)   ((char *) ((int) pHdr + sizeof (SM_BLOCK_HDR)))#define SM_BLOCK_TO_HDR(pBlock) ((SM_BLOCK_HDR *) ((int) pBlock - \                                                sizeof(SM_BLOCK_HDR)))/* macros for converting between the "node" that is strung on the freelist * and the block header in front of it */#define SM_HDR_TO_NODE(pHdr)    (& ((SM_FREE_BLOCK *) pHdr)->node)#define SM_NODE_TO_HDR(pNode)   ((SM_BLOCK_HDR *) ((int) pNode - \                                                OFFSET (SM_FREE_BLOCK, node)))#if defined(__STDC__) || defined(__cplusplus)extern void   smMemPartLibInit (void);extern void   smMemPartInit (SM_PART_ID partId, char * pPool,                             unsigned poolSize);extern STATUS smMemPartAddToPool (SM_PART_ID partId, char * pPool,                                  unsigned poolSize);extern STATUS smMemPartFree (SM_PART_ID partId, char * pBlock);extern STATUS smMemPartOptionsSet (SM_PART_ID partId, unsigned options);extern int    smMemPartFindMax (SM_PART_ID partId);extern void * smMemPartAlloc (SM_PART_ID partId, unsigned nBytes);extern void * smMemPartRealloc (SM_PART_ID partId, char * pBlock,                                unsigned nBytes);extern STATUS smMemPartAccessGet (SM_PART_ID partId);extern STATUS smMemPartAccessRelease (SM_PART_ID partId);extern BOOL   smMemPartBlockIsValid (SM_PART_ID volatile partId,                                     SM_BLOCK_HDR volatile * pHdr,                                     BOOL isFree);extern STATUS smMemPartShow (SM_PART_ID gPartId, int type);#else   /* __STDC__ */extern void   smMemPartLibInit ();extern STATUS smMemPartAddToPool ();extern STATUS smMemPartFree ();extern STATUS smMemPartOptionsSet ();extern int    smMemPartFindMax ();extern void * smMemPartAlloc ();extern void * smMemPartRealloc ();extern STATUS smMemPartAccessGet ();extern STATUS smMemPartAccessRelease ();extern BOOL   smMemPartBlockIsValid ();extern STATUS smMemPartShow ();#endif  /* __STDC__ */#if (defined (CPU_FAMILY) && (CPU_FAMILY==I960) && (defined __GNUC__))#pragma align 0                 /* turn off alignment requirement */#endif  /* CPU_FAMILY==I960 */#ifdef __cplusplus}#endif#endif /* __INCsmMemLibPh */