1#!/bin/sh 2 3# 4# Copyright (c) 2013 EMC Corp. 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Page fault seen. 30# http://people.freebsd.org/~pho/stress/log/kostik652.txt 31# Fixed by r259522. 32 33# https://people.freebsd.org/~pho/stress/log/kostik863.txt 34 35[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 36 37. ../default.cfg 38 39odir=`pwd` 40cd /tmp 41sed '1,/^EOF/d' < $odir/$0 > fifo.c 42rm -f /tmp/fifo 43mycc -o fifo -Wall -Wextra -O2 -g fifo.c || exit 1 44rm -f fifo.c 45 46mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 47mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 48 49mdconfig -a -t swap -s 2g -u $mdstart || exit 1 50newfs $newfs_flags md$mdstart > /dev/null 51mount /dev/md$mdstart $mntpoint 52chmod 777 $mntpoint 53 54(cd $mntpoint; /tmp/fifo) 55 56for i in `jot 10`; do 57 mount | grep -q md$mdstart && \ 58 umount $mntpoint && mdconfig -d -u $mdstart && break 59 sleep 10 60done 61rm -f /tmp/fifo 62exit 63EOF 64#include <sys/types.h> 65#include <err.h> 66#include <errno.h> 67#include <fcntl.h> 68#include <stdint.h> 69#include <stdio.h> 70#include <stdlib.h> 71#include <sys/stat.h> 72#include <unistd.h> 73 74int 75main(void) 76{ 77 78 if (mkfifo("fifo", 0644) == -1) 79 err(1, "mkfifo"); 80 81 (void)open("fifo", O_RDWR | O_SHLOCK | O_EXLOCK); 82 (void)open("fifo", 0x60e9f2, 0xc74c65b1db4be370, 0xb64a34df72368759); 83 84 return (0); 85} 86