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/*
* _calloc_r Implementation
*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef RTEMS_NEWLIB
#include "malloc_p.h"
#include <sys/reent.h>
#include <stdlib.h>
static void rtems_malloc_statistics_initialize( void )
{
/*
* Zero all the statistics
*/
(void) memset(&rtems_malloc_statistics, 0, sizeof(rtems_malloc_statistics));
}
static void rtems_malloc_statistics_at_malloc(
void *pointer
)
{
uintptr_t actual_size = 0;
uint32_t current_depth;
rtems_malloc_statistics_t *s = &rtems_malloc_statistics;
if ( !pointer )
return;
_Protected_heap_Get_block_size(RTEMS_Malloc_Heap, pointer, &actual_size);
MSBUMP(lifetime_allocated, actual_size);
current_depth = (uint32_t) (s->lifetime_allocated - s->lifetime_freed);
if (current_depth > s->max_depth)
s->max_depth = current_depth;
}
/*
* If the pointer is not in the heap, then we won't be able to get its
* size and thus we skip updating the statistics.
*/
static void rtems_malloc_statistics_at_free(
void *pointer
)
{
uintptr_t size;
if (_Protected_heap_Get_block_size(RTEMS_Malloc_Heap, pointer, &size) ) {
MSBUMP(lifetime_freed, size);
}
}
rtems_malloc_statistics_functions_t rtems_malloc_statistics_helpers_table = {
rtems_malloc_statistics_initialize,
rtems_malloc_statistics_at_malloc,
rtems_malloc_statistics_at_free,
};
#endif
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