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Diffstat (limited to 'tools/test/stress2/misc/linger.sh')
| -rwxr-xr-x | tools/test/stress2/misc/linger.sh | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/linger.sh b/tools/test/stress2/misc/linger.sh new file mode 100755 index 000000000000..fee2524ffd3b --- /dev/null +++ b/tools/test/stress2/misc/linger.sh @@ -0,0 +1,168 @@ +#!/bin/sh + +# +# Copyright (c) 2011 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 + +# Demonstrate premature "out of inodes" problem with SU + +. ../default.cfg + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > linger.c +mycc -o linger -Wall -O2 linger.c +rm -f linger.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 1g -u $mdstart +bsdlabel -w md$mdstart auto +[ $# -eq 1 ] && opt="$1" +[ $# -eq 0 ] && opt=$newfs_flags # No argument == default flag +echo "newfs $opt md${mdstart}$part" +newfs $opt md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +chmod 777 $mntpoint + +if ! su $testuser -c "cd $mntpoint; /tmp/linger $size"; then + min=2 + [ -r $mntpoint/.sujournal ] && min=3 + r=`df -hi $mntpoint | head -1` + echo " $r" + for i in `jot 10`; do + r=`df -hi $mntpoint | tail -1` + echo "`date '+%T'` $r" + [ `echo $r | awk '{print $6}'` = $min ] && break + sleep 10 + done + ls -lR $mntpoint +fi + +while mount | grep "$mntpoint " | grep -q /dev/md; do + umount $mntpoint || sleep 1 +done +mdconfig -d -u $mdstart +rm -f /tmp/linger +exit +EOF +#include <sys/mount.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <sched.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> +#include <unistd.h> + +#define PARALLEL 10 +#define TIMEOUT 1200 +static int size = 6552; /* 10 free inodes */ + +static int +test(void) +{ + int fd, i, j; + pid_t pid; + char file[128]; + + for (;;) { + if (access("rendezvous", R_OK) == 0) + break; + sched_yield(); + } + pid = getpid(); + for (j = 0; j < size; j++) { + sprintf(file,"p%05d.%05d", pid, j); + if ((fd = creat(file, 0660)) == -1) { + if (errno != EINTR) { + warn("creat(%s). %s:%d", file, __FILE__, __LINE__); + unlink("continue"); + break; + } + } + if (fd != -1 && close(fd) == -1) + err(2, "close(%d)", j); + + } + sleep(3); + + for (i = --j; i >= 0; i--) { + sprintf(file,"p%05d.%05d", pid, i); + if (unlink(file) == -1) + warn("unlink(%s)", file); + + } + return (0); +} + +int +main(void) +{ + time_t start; + int error = 0, fd, i, j, status; + + umask(0); + if ((fd = open("continue", O_CREAT, 0644)) == -1) + err(1, "open()"); + close(fd); + start = time(NULL); + for (i = 0; i < 100; i++) { + for (j = 0; j < PARALLEL; j++) { + if (fork() == 0) { + test(); + exit(0); + } + } + + if ((fd = open("rendezvous", O_CREAT, 0644)) == -1) + err(1, "open()"); + close(fd); + + for (j = 0; j < PARALLEL; j++) { + wait(&status); + error += status; + } + + unlink("rendezvous"); + if (access("continue", R_OK) == -1) + break; + if (time(NULL) - start > TIMEOUT) { + fprintf(stderr, "FAIL Timeout\n"); + break; + } + } + unlink("continue"); + + return (error != 0); +} |