1b830beddb
This includes updates to the malloc_hook method and making everything components. This commit was SVN r6852.
101 строка
2.7 KiB
C
101 строка
2.7 KiB
C
/* Copyright (C) 2004 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Wolfram Gloger <wg@malloc.de>, 2004.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include "malloc.h"
|
|
|
|
static int errors = 0;
|
|
|
|
static void
|
|
merror (const char *msg)
|
|
{
|
|
++errors;
|
|
printf ("Error: %s\n", msg);
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
void *p1, *p2;
|
|
long i;
|
|
mstate a;
|
|
struct malloc_arena_info mai;
|
|
int nfree;
|
|
unsigned long navail;
|
|
|
|
errno = 0;
|
|
|
|
malloc_stats(); /* check that it works even without initialization */
|
|
a = _int_get_arena(0);
|
|
if (!a) {
|
|
merror ("Can't get main arena.");
|
|
return 1;
|
|
}
|
|
free (malloc (10));
|
|
_int_get_arena_info(a, &mai);
|
|
printf("nfree = %d\navail = %lu\nfastavail = %lu\ntop_size = %lu\n",
|
|
mai.nbinblocks + mai.nfastblocks,
|
|
(unsigned long)mai.binavail,
|
|
(unsigned long)mai.fastavail,
|
|
(unsigned long)mai.top_size);
|
|
if (mai.nfastblocks+mai.nbinblocks < 1)
|
|
merror ("initial _int_get_arena_info() failed.");
|
|
nfree = mai.nbinblocks + mai.nfastblocks;
|
|
navail = mai.binavail + mai.fastavail;
|
|
|
|
p1 = malloc (10);
|
|
if (p1 == NULL)
|
|
merror ("malloc (10) failed.");
|
|
p2 = malloc (30);
|
|
if (p2 == NULL)
|
|
merror ("malloc (30) failed.");
|
|
|
|
free (malloc (10));
|
|
|
|
for (i=0; i<100; ++i)
|
|
{
|
|
p1 = realloc (p1, i*7 + 3);
|
|
if (p1 == NULL)
|
|
merror ("realloc (i*7 + 3) failed.");
|
|
}
|
|
free (p2);
|
|
|
|
_int_get_arena_info(a, &mai);
|
|
printf("nfree = %d\navail = %lu\nfastavail = %lu\ntop_size = %lu\n",
|
|
mai.nbinblocks + mai.nfastblocks,
|
|
(unsigned long)mai.binavail,
|
|
(unsigned long)mai.fastavail,
|
|
(unsigned long)mai.top_size);
|
|
/* Assume that no memory is returned to the system from these small
|
|
chunks. */
|
|
if (mai.nbinblocks+mai.nfastblocks < nfree ||
|
|
mai.binavail+mai.fastavail < navail)
|
|
merror ("final _int_get_arena_info() failed.");
|
|
malloc_stats();
|
|
|
|
return errors != 0;
|
|
}
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-basic-offset: 2
|
|
* End:
|
|
*/
|