xref: /freebsd/tools/test/stress2/misc/thr.sh (revision 8881d206f4e68b564c2c5f50fc717086fc3e827a)
1#!/bin/sh
2
3#
4# Copyright (c) 2013 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# Used for PAE test
30
31. ../default.cfg
32
33dir=/tmp
34odir=`pwd`
35cd $dir
36sed '1,/^EOF/d' < $odir/$0 > $dir/thr.c
37mycc -o thr -Wall -Wextra thr.c -pthread || exit 1
38rm -f thr.c
39
40touch thr.continue
41max=0
42s=0
43start=`date '+%s'`
44while [ -r thr.continue ]; do
45	./thr &
46	sleep 2
47	n=`ps -xH | egrep "thr$" | grep -v grep | wc -l | sed 's/ //g'`
48	[ $max -lt $n ] && max=$n
49	[ $max -gt 5000 ] && break
50	[ `date '+%s'` -gt $((start + 120)) ] && break
51done
52killall thr
53wait
54[ $max -lt 2000 ] &&
55    { s=1; printf "FAIL\nMax threads created is %d\n" $max; }
56
57rm -f /tmp/thr /tmp/thr.continue
58exit $s
59
60EOF
61
62#include <err.h>
63#include <fcntl.h>
64#include <pthread.h>
65#include <signal.h>
66#include <stdio.h>
67#include <stdlib.h>
68#include <string.h>
69#include <unistd.h>
70
71#define NTHREADS 1499
72static	pthread_t threads[NTHREADS];
73
74void *
75thr_routine(void *arg __unused)
76{
77	sleep(120);
78	return (0);
79}
80
81int
82main(void)
83{
84	int i, r;
85
86	for (i = 0; i < NTHREADS; i++) {
87		if ((r = pthread_create(&threads[i], NULL, thr_routine, 0)) != 0) {
88			unlink("thr.continue");
89			sleep(120);
90			errc(1, r, "pthread_create()");
91		}
92	}
93
94	for (i = 0; i < NTHREADS; i++)
95		if ((r = pthread_join(threads[i], NULL)) != 0)
96			errc(1, r, "pthread_join(%d)", i);
97
98	return (0);
99}
100