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109 lines
2.5 KiB
Bash
Executable file
109 lines
2.5 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Test scenario by marcus@freebsd.org
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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[ -z "`type perl 2>/dev/null`" ] && exit 0
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. ../default.cfg
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odir=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $odir/$0 > fullpath.c
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mycc -o fullpath -Wall fullpath.c
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rm -f fullpath.c
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cd /proc
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for i in `jot 5`; do
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/tmp/fullpath &
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done
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for i in `jot 30`; do
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for j in `jot 25`; do
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pid=`perl -e 'print splice(@ARGV,rand(@ARGV),1), " ";' $(echo [0-9]*)`
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# echo $pid
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procstat -f $pid > /dev/null 2>&1
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procstat -f $pid > /dev/null 2>&1
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procstat -f $pid > /dev/null 2>&1
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procstat -f $pid > /dev/null 2>&1
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procstat -f $pid > /dev/null 2>&1
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done
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done
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for i in `jot 5`; do
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wait
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done
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rm -f /tmp/fullpath
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exit
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EOF
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#include <sys/wait.h>
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#include <err.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <unistd.h>
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char buf[4096];
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void
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handler(int i) {
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exit(0);
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}
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int
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test(void) {
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pid_t r;
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int status;
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for (;;) {
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r = fork();
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if (r == 0) {
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bzero(buf, sizeof(buf));
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exit(0); /*child dies */
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}
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if (r < 0) {
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perror("fork");
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exit(2);
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}
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wait(&status);
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}
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return 0;
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}
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int main(int argc, char **argv)
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{
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signal(SIGALRM, handler);
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alarm(60);
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return test();
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}
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