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Diffstat (limited to 'tools/test/stress2/misc/rename7.sh')
-rwxr-xr-x | tools/test/stress2/misc/rename7.sh | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/rename7.sh b/tools/test/stress2/misc/rename7.sh new file mode 100755 index 000000000000..89edcd17e827 --- /dev/null +++ b/tools/test/stress2/misc/rename7.sh @@ -0,0 +1,150 @@ +#!/bin/sh + +# +# Copyright (c) 2012 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. +# + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +# After a few runs this will happen: +# $ umount /mnt +# umount: unmount of /mnt failed: Device busy +# $ umount -f /mnt +# $ + +. ../default.cfg + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > rename7.c +mycc -o rename7 -Wall -Wextra -O2 rename7.c || exit +rm -f rename7.c +cd $here + +mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint +mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 2g -u $mdstart +bsdlabel -w md$mdstart auto +newfs $newfs_flags md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +chmod 777 $mntpoint + +su $testuser -c "cd $mntpoint; /tmp/rename7 || echo FAIL" + +for i in `jot 10`; do + mount | grep -q md${mdstart}$part && \ + umount $mntpoint && mdconfig -d -u $mdstart && break +done +if mount | grep -q md${mdstart}$part; then + echo "Test failed" + exit 1 +fi +rm -f /tmp/rename7 +exit 0 +EOF +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <sched.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <strings.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/wait.h> +#include <time.h> +#include <unistd.h> + +const char *logfile = "test.log"; +pid_t wpid, spid; + +void +r1(void) +{ + int i; + struct stat sb1, sb2; + + for (i = 0; i < 800000; i++) { + rename(logfile, "r1"); + if (stat("r1", &sb1) == 0 && stat("r2", &sb2) == 0 && + bcmp(&sb1, &sb2, sizeof(sb1)) == 0) { + fprintf(stderr, "r1 and r2 are identical after rename(%s, \"r1\")\n", logfile); + system("ls -ail"); + _exit(1); + } + } + _exit(0); +} + +void +r2(void) +{ + int i; + struct stat sb1, sb2; + +// _exit(0); /* No problems with only r1 running */ + for (i = 0; i < 800000; i++) { + rename(logfile, "r2"); + if (stat("r1", &sb1) == 0 && stat("r2", &sb2) == 0 && + bcmp(&sb1, &sb2, sizeof(sb1)) == 0) { + usleep(10000); + fprintf(stderr, "r1 and r2 are identical after rename(%s, \"r2\")\n", logfile); + system("ls -ail"); + _exit(1); + } + } + _exit(0); +} +int +main(void) +{ + pid_t wpid, spid; + int e, fd, i, status; + + if ((wpid = fork()) == 0) + r1(); + if ((spid = fork()) == 0) + r2(); + + setproctitle("main"); + e = 0; + + for (i = 0; i < 800000; i++) { + if ((fd = open(logfile, O_RDWR | O_CREAT | O_TRUNC, 0644)) == -1) + warn("creat(%s)", logfile); + close(fd); + } + + kill(wpid, SIGINT); + kill(spid, SIGINT); + wait(&status); + e += WEXITSTATUS(status); + wait(&status); + e += WEXITSTATUS(status); + + return (e); +} |