173 lines
4.1 KiB
Bash
Executable File
173 lines
4.1 KiB
Bash
Executable File
#!/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
|
|
|
|
# Variation of linger.sh, with emphasis on blocks.
|
|
|
|
. ../default.cfg
|
|
|
|
here=`pwd`
|
|
cd /tmp
|
|
sed '1,/^EOF/d' < $here/$0 > linger2.c
|
|
mycc -o linger2 -Wall -O2 linger2.c
|
|
rm -f linger2.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
|
|
newfs $opt -n md${mdstart}$part > /dev/null
|
|
mount /dev/md${mdstart}$part $mntpoint
|
|
chmod 777 $mntpoint
|
|
set `df -i $mntpoint | tail -1 | awk '{print $3, $6}'`
|
|
|
|
min=24
|
|
[ -r $mntpoint/.sujournal ] && { size=88; min=8232; }
|
|
if ! su $testuser -c "cd $mntpoint; /tmp/linger2 $size 2>/dev/null"; then
|
|
r=`df -i $mntpoint | head -1`
|
|
echo " $r"
|
|
for i in `jot 12`; do
|
|
r=`df -ik $mntpoint | tail -1`
|
|
[ "$r" != "$old" ] && echo "`date '+%T'` $r"
|
|
old=$r
|
|
[ `echo $r | awk '{print $3}'` -le $min ] && break
|
|
sleep 10
|
|
done
|
|
fi
|
|
|
|
while mount | grep "$mntpoint " | grep -q /dev/md; do
|
|
umount $mntpoint || sleep 1
|
|
done
|
|
mdconfig -d -u $mdstart
|
|
rm -f /tmp/linger2
|
|
exit
|
|
EOF
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <sched.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/wait.h>
|
|
#include <unistd.h>
|
|
|
|
#define PARALLEL 10
|
|
static int size = 89;
|
|
|
|
int
|
|
test(void)
|
|
{
|
|
int error = 0, fd, i, j;
|
|
pid_t pid;
|
|
char file[128];
|
|
char *buf;
|
|
|
|
for (;;) {
|
|
if (access("rendezvous", R_OK) == 0)
|
|
break;
|
|
sched_yield();
|
|
}
|
|
pid = getpid();
|
|
buf = malloc(1024 * 1024);
|
|
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");
|
|
error = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (write(fd, buf, 1024 * 1024) != 1024 * 1024) {
|
|
warn("write()");
|
|
unlink("continue");
|
|
error = 1;
|
|
break;
|
|
}
|
|
if (fd != -1 && close(fd) == -1)
|
|
err(2, "close(%d)", j);
|
|
|
|
}
|
|
sleep(3);
|
|
|
|
if (error == 0)
|
|
j--;
|
|
for (i = j; i >= 0; i--) {
|
|
sprintf(file,"p%05d.%05d", pid, i);
|
|
if (unlink(file) == -1)
|
|
warn("unlink(%s)", file);
|
|
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int error = 0, fd, i, j, status;
|
|
|
|
if (argc == 2)
|
|
size = atoi(argv[1]);
|
|
|
|
umask(0);
|
|
if ((fd = open("continue", O_CREAT, 0644)) == -1)
|
|
err(1, "open()");
|
|
close(fd);
|
|
for (i = 0; i < 200; i++) {
|
|
for (j = 0; j < PARALLEL; j++) {
|
|
if (fork() == 0)
|
|
exit(test());
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
unlink("continue");
|
|
|
|
return (error != 0);
|
|
}
|