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/*@@
@file MemAllocate.c
@date Tue Mar 7 11:58:03 2000
@author Gerd lanfermann
@desc
Cactus memory allocation routines to monitor memory consumption
by C routines. No fortran support.
@enddesc
@version $Header$
@@*/
#include <stdio.h>
#include <stdlib.h>
#include "cctk_Config.h"
#include "cctk_Malloc.h"
static char *rcsid = "$Header$";
#define MEMDEBUG
/********************************************************************
********************* Local Data Types ***********************
********************************************************************/
typedef struct
{
unsigned long int size;
int line;
const char *file;
} iMemData;
/********************************************************************
********************* Local Data *****************************
********************************************************************/
static unsigned long int totmem=0;
static unsigned long int pastmem=0;
/********************************************************************
********************* External Routines **********************
********************************************************************/
/*@@
@routine CCTKi_Malloc
@date Wed Mar 8 12:46:06 2000
@author Gerd Lanfermann
@desc
Allocates memory, updates the total memory variable (static)
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
void *CCTKi_Malloc(size_t size, int line, const char *file)
{
iMemData *memdata;
char *data;
data = (char*)malloc(size+sizeof(iMemData));
if(!data)
{
fprintf(stderr, "Allocation error! ");
}
memdata = (iMemData *)data;
memdata->size = size;
memdata->line = line;
memdata->file = file;
pastmem = totmem;
totmem += size;
#ifdef MEMDEBUG
printf("Allocating %lu - by %s in line %d TOTAL: %lu\n",
memdata->size,memdata->file,memdata->line, CCTK_TotalMemory());
#endif
return((void*)(data+sizeof(iMemData)));
}
/*@@
@routine CCTKi_Free
@date Wed Mar 8 12:46:55 2000
@author Gerd Lanfermann
@desc
Frees memory, updates the total memory variable (static)
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
void CCTKi_Free(void *pointer)
{
iMemData *memdata;
memdata = (iMemData *)((char*)pointer-sizeof(iMemData));
#ifdef MEMDEBUG
printf("Freeing %lu - allocated by %s in line %d TOTAL: %lu\n",
memdata->size,memdata->file,memdata->line, CCTK_TotalMemory());
#endif
pastmem = totmem;
totmem -= memdata->size;
free(memdata);
}
/*@@
@routine CCTK_MemStat
@date Wed Mar 8 12:47:23 2000
@author Gerd Lanfermann
@desc
prints a info string, statign current, past total memory
and difference.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
void CCTK_MemStat(void)
{
char mess[138];
sprintf(mess,"total: %d past: %d diff %d \n",
totmem, pastmem, totmem-pastmem);
printf("CCTK_Memstat: %s ",mess);
}
/*@@
@routine CCTK_MemStat
@date Wed Mar 8 12:47:23 2000
@author Gerd Lanfermann
@desc
returns total memory allocated by C routines
(which use CCTK_MALLOC)
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
unsigned long int CCTK_TotalMemory(void)
{
return(totmem);
}
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