Date: Fri, 11 Jan 2013 12:37:01 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r245298 - user/pho/stress2/misc Message-ID: <201301111237.r0BCb1Gk097459@svn.freebsd.org>
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Author: pho Date: Fri Jan 11 12:37:01 2013 New Revision: 245298 URL: http://svnweb.freebsd.org/changeset/base/245298 Log: Regression test: exec returning EIO problem scenario for tmpfs. Added: user/pho/stress2/misc/tmpfs9.sh (contents, props changed) Added: user/pho/stress2/misc/tmpfs9.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/tmpfs9.sh Fri Jan 11 12:37:01 2013 (r245298) @@ -0,0 +1,113 @@ +#!/bin/sh + +# +# Copyright (c) 2013 Peter Holm <pho@FreeBSD.org> +# 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: exec returning EIO problem scenario for tmpfs + +. ../default.cfg + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > tmpfs9.c +cc -o tmpfs9 -Wall -Wextra -O2 tmpfs9.c +rm -f tmpfs9.c +cd $here + +mount | grep $mntpoint | grep -q tmpfs && umount -f $mntpoint +mount -t tmpfs tmpfs $mntpoint +chmod 777 $mntpoint + +cp /usr/bin/true $mntpoint +su ${testuser} -c "/tmp/tmpfs9 $mntpoint" & + +while kill -0 $! 2>/dev/null; do + ../testcases/swap/swap -t 2m -i 40 -h +done +wait + +while mount | grep $mntpoint | grep -q tmpfs; do + umount $mntpoint || sleep 1 +done +rm -d /tmp/tmpfs9 +exit +EOF +#include <sys/types.h> +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <sys/wait.h> +#include <unistd.h> + +#define N 5000 +#define PARALLEL 10 +const char path[] = "./true"; + +void test(void) +{ + pid_t p; + int i; + + for (i = 0; i < N; i++) { + if ((p = fork()) == 0) + if (execl(path, path, (char *)0) == -1) + err(1, "exec(%s)", path); + if (p > 0) + wait(NULL); + } + _exit(0); +} + + +int +main(int argc, char **argv) +{ + int i, status; + + if (argc != 2) + errx(1, "Usage: %s <path>", argv[0]); + if (chdir(argv[1]) == -1) + err(1, "chdir(%s)", argv[1]); + + for (i = 0; i < PARALLEL; i++) { + if (fork() == 0) + test(); + } + + for (i = 0; i < PARALLEL; i++) { + wait(&status); + if (status != 0) + return (1); + } + + return (0); +}
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