/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1998 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include "mtmalloc.h"
/*
* This file tests for reference after free
*
* cc -O -o dirtymem dirtymem.c -lmtmalloc -I../common
*/
struct a_struct {
int a;
char *b;
double c;
} struct_o_death;
main(int argc, char ** argv)
{
struct a_struct *foo, *leak;
int ncpus = sysconf(_SC_NPROCESSORS_CONF);
mallocctl(MTDEBUGPATTERN, 1);
foo = (struct a_struct *)malloc(sizeof (struct_o_death));
free(foo);
foo->a = 4;
/*
* We have to make sure we allocate from the same pool
* as the last time. Turn the rotor with malloc until
* we get back to where we started.
*/
while (ncpus-- > 1)
leak = malloc(sizeof (struct_o_death));
fprintf(stderr, "malloc struct again\n");
fprintf(stderr, "we should dump core\n");
foo = malloc(sizeof (struct_o_death));
exit(0);
}