Index: user/pho/stress2/misc/rename10.sh =================================================================== --- user/pho/stress2/misc/rename10.sh (revision 358423) +++ user/pho/stress2/misc/rename10.sh (revision 358424) @@ -1,182 +1,186 @@ #!/bin/sh # # Copyright (c) 2013 EMC Corp. # 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 for rename(2) problem with missing reference release of # a busy "to" vnode, resulting in a leak. # Fixed in r253998. . ../default.cfg here=`pwd` cd /tmp sed '1,/^EOF/d' < $here/$0 > rename10.c mycc -o rename10 -Wall -Wextra -g -O2 rename10.c || exit 1 rm -f rename10.c cd $here mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart mdconfig -a -t swap -s 4g -u $mdstart || exit 1 bsdlabel -w md$mdstart auto newfs $newfs_flags md${mdstart}$part > /dev/null mount /dev/md${mdstart}$part $mntpoint avail=`df -k $mntpoint | tail -1 | awk '{print $4}'` -(cd $mntpoint; /tmp/rename10) +cd $mntpoint +/tmp/rename10; s=$? +cd $here for i in `jot 3`; do sync sleep 2 done if [ `df -k $mntpoint | tail -1 | awk '{print $4}'` -lt $avail ]; then echo FAIL ls -ial $mntpoint df -i $mntpoint fi n=0 while mount | grep "on $mntpoint " | grep -q /dev/md; do umount $mntpoint || sleep 1 n=$((n + 1)) [ $n -gt 5 ] && { umount -f $mntpoint; break; } done -checkfs /dev/md${mdstart}$part +checkfs /dev/md${mdstart}$part || s=$? rm -f /tmp/rename10 mdconfig -d -u $mdstart -exit 0 +exit $s EOF #include #include #include #include #include #include #include #include #include #include #define PARALLEL 4 #define SIZE (1 * 1024 * 1024) static char *logfile = "logfile"; static char *oldfiles[] = { "logfile.0", "logfile.1", "logfile.2", "logfile.3", "logfile.4" }; void * logger(void) { int fd; char * cp; setproctitle("logger"); cp = calloc(1, SIZE); for(;;) { if ((fd = open(logfile, O_RDWR | O_APPEND)) != -1) { if (write(fd, cp, SIZE) != SIZE) err(1, "write()"); close(fd); } usleep(1); } _exit(0); } void * spin(void) { int fd, i; setproctitle("spin"); for(;;) { for (i = 0; i < 5; i++) { if ((fd = open(oldfiles[i], O_RDWR | O_APPEND)) != -1) close(fd); } usleep(1); } _exit(0); } void renamer() { int fd, i; time_t start; setproctitle("renamer"); start = time(NULL); i = 0; while (time(NULL) - start < 60) { if ((fd = open(logfile, O_RDWR | O_CREAT | O_EXCL, 0644)) == -1) err(1, "creat(%s)", logfile); close(fd); if (rename(logfile, oldfiles[i]) == -1) err(1, "rename(%s, %s)", logfile, oldfiles[i]); i = (i + 1) % 5; } for (i = 0; i < 5; i++) { unlink(oldfiles[i]); } unlink(logfile); } int main() { pid_t pids[PARALLEL], spids[PARALLEL]; int i; for (i = 0; i < PARALLEL; i++) { if ((pids[i] = fork()) == 0) logger(); if ((spids[i] = fork()) == 0) spin(); } renamer(); for (i = 0; i < PARALLEL; i++) { - kill(pids[i], SIGINT); - kill(spids[i], SIGINT); + if (kill(pids[i], SIGINT) == -1) + err(1, "kill(%d)", pids[i]); + if (kill(spids[i], SIGINT) == -1) + err(1, "kill(%d)", spids[i]); } for (i = 0; i < PARALLEL * 2; i++) wait(NULL); wait(NULL); return (0); }