fis-gtm/sr_port/mmemory.h

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/****************************************************************
* *
* Copyright 2001, 2011 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#ifndef MMEMORY_INCLUDED
#define MMEMORY_INCLUDED
#include <stddef.h>
#include "gtm_malloc.h" /* Violates imbedded include standard but otherwise need to update nearly 60 modules */
#define MC_DSBLKSIZE ((8 * 1024) - offsetof(storElem, userStorage)) /* Total (real) alloc will be for 8K */
/* Uncomment #define for DEBUG_MCALC to enable mcalloc() testing */
/*#define DEBUG_MCALC */
#if defined(DEBUG_MCALC)
# define DBGMCALC(x) DBGFPF(x)
# define DBGMCALC_ONLY(x) x
#else
# define DBGMCALC(x)
# define DBGMCALC_ONLY(x)
#endif
/* The header of the memory block allocated by mcalloc */
typedef struct mcalloc_hdr_struct
{
struct mcalloc_hdr_struct *link; /* pointer to the next block */
int4 size; /* size of the usable area in this block */
GTM64_ONLY(int filler;) /* The data(data[0]) on 64-bit platforms should begin on 8-byte boundary */
char data[1]; /* beginning of the allocatable area (NOTE: should be last member) */
} mcalloc_hdr;
#define MCALLOC_HDR_SZ offsetof(mcalloc_hdr, data[0])
char *mcalloc(unsigned int n);
int memvcmp(void *a, int a_len, void *b, int b_len);
#endif /* MMEMORY_INCLUDED */