xref: /freebsd/tools/test/stress2/misc/core.sh (revision 8b959dd6a3921c35395bef4a6d7ad2426a3bd88e)
1#!/bin/sh
2
3#
4# Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28
29# Test multiple (parallel) core dumps
30
31. ../default.cfg
32
33odir=`pwd`
34
35cd /tmp
36rm -f core
37sed '1,/^EOF/d' < $odir/$0 > core.c
38mycc -o core -Wall core.c
39rm -f core.c
40cd $RUNDIR
41
42for i in `jot 2`; do
43	for j in `jot 4`; do
44		/tmp/core &
45	done
46	for j in `jot 4`; do
47		wait
48	done
49done
50rm -f /tmp/core
51exit
52EOF
53#include <err.h>
54#include <signal.h>
55#include <stdio.h>
56#include <stdlib.h>
57#include <string.h>
58#include <time.h>
59#include <unistd.h>
60
61#define SIZ 10*1024*1024
62
63int
64main(int argc, char **argv)
65{
66	char *cp;
67
68	if ((cp = malloc(SIZ)) == NULL)
69		err(1, "Could not malloc 10Mb!");
70
71	memset(cp, 1, SIZ);
72
73	sleep(120 - (time(NULL) % 120));
74	raise(SIGSEGV);
75
76	return (0);
77}
78