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152 lines
3.7 KiB
Bash
Executable File
152 lines
3.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2012 Peter Holm <pho@FreeBSD.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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# After a few runs this will happen:
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# $ umount /mnt
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# umount: unmount of /mnt failed: Device busy
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# $ umount -f /mnt
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# $
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. ../default.cfg
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here=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $here/$0 > rename7.c
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mycc -o rename7 -Wall -Wextra -O2 rename7.c || exit
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rm -f rename7.c
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cd $here
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mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
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mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart
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mdconfig -a -t swap -s 2g -u $mdstart
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newfs $newfs_flags md$mdstart > /dev/null
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mount /dev/md$mdstart $mntpoint
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chmod 777 $mntpoint
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su $testuser -c "cd $mntpoint; /tmp/rename7 || echo FAIL"
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for i in `jot 10`; do
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mount | grep -q md$mdstart && \
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umount $mntpoint && mdconfig -d -u $mdstart && break
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done
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if mount | grep -q md$mdstart; then
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echo "Test failed"
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exit 1
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fi
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rm -f /tmp/rename7
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exit 0
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EOF
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sched.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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const char *logfile = "test.log";
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pid_t wpid, spid;
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void
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r1(void)
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{
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int i;
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struct stat sb1, sb2;
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for (i = 0; i < 800000; i++) {
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rename(logfile, "r1");
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if (stat("r1", &sb1) == 0 && stat("r2", &sb2) == 0 &&
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bcmp(&sb1, &sb2, sizeof(sb1)) == 0) {
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fprintf(stderr, "r1 and r2 are identical after rename(%s, \"r1\")\n", logfile);
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system("ls -ail");
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_exit(1);
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}
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}
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_exit(0);
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}
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void
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r2(void)
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{
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int i;
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struct stat sb1, sb2;
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// _exit(0); /* No problems with only r1 running */
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for (i = 0; i < 800000; i++) {
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rename(logfile, "r2");
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if (stat("r1", &sb1) == 0 && stat("r2", &sb2) == 0 &&
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bcmp(&sb1, &sb2, sizeof(sb1)) == 0) {
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usleep(10000);
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fprintf(stderr, "r1 and r2 are identical after rename(%s, \"r2\")\n", logfile);
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system("ls -ail");
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_exit(1);
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}
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}
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_exit(0);
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}
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int
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main(void)
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{
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pid_t wpid, spid;
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time_t start;
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int e, fd, status;
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if ((wpid = fork()) == 0)
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r1();
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if ((spid = fork()) == 0)
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r2();
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setproctitle("main");
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e = 0;
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start = time(NULL);
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while (time(NULL) - start < 60) {
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if ((fd = open(logfile, O_RDWR | O_CREAT | O_TRUNC, 0644)) == -1)
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warn("creat(%s)", logfile);
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close(fd);
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}
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kill(wpid, SIGINT);
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kill(spid, SIGINT);
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wait(&status);
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e += WEXITSTATUS(status);
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wait(&status);
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e += WEXITSTATUS(status);
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return (e);
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}
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