Date: Tue, 8 Oct 2013 19:50:26 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r256165 - user/pho/stress2/misc Message-ID: <201310081950.r98JoQ9r027174@svn.freebsd.org>
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Author: pho Date: Tue Oct 8 19:50:25 2013 New Revision: 256165 URL: http://svnweb.freebsd.org/changeset/base/256165 Log: Added a regression test. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/sigstop.sh (contents, props changed) Added: user/pho/stress2/misc/sigstop.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/sigstop.sh Tue Oct 8 19:50:25 2013 (r256165) @@ -0,0 +1,100 @@ +#!/bin/sh + +# +# Copyright (c) 2013 EMC Corp. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +# Regression test. +# Will display "FAIL exit status = 0" without r240467 + +. ../default.cfg + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > sigstop.c +cc -o sigstop -Wall -Wextra sigstop.c || exit 1 +rm -f sigstop.c +cd $here + +su $testuser -c "/tmp/sigstop" + +rm -f /tmp/sigstop +exit + +EOF +#include <sys/types.h> +#include <err.h> +#include <signal.h> +#include <stdio.h> +#include <unistd.h> +#include <sys/wait.h> + +#define PARALLEL 4 + +void +test(void) +{ + pid_t pid; + int i, status; + + for (i = 0; i < 1000; i++) { + if ((pid = fork()) == 0) { + _exit(64); + } + if (pid == -1) + err(1, "fork()"); + if (kill(pid, SIGSTOP) == -1) + warn("sigstop"); + if (kill(pid, SIGCONT) == -1) + warn("sigcont"); + wait(&status); + if (WEXITSTATUS(status) != 64) { + fprintf(stderr, "FAIL exit status = %d\n", + WEXITSTATUS(status)); + break; + } + } + _exit(0); +} + +int +main(void) +{ + int i; + + for (i = 0; i < PARALLEL; i++) { + if (fork() == 0) + test(); + } + + for (i = 0; i < PARALLEL; i++) + wait(NULL); + + return (0); +}
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