1#!/bin/sh 2 3# 4# Copyright (c) 2013 Peter Holm <pho@FreeBSD.org> 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# "umount -f" test scenario (distill of nfs4.sh) 30# "panic: vputx: missed vn_close" seen. 31# Fixed in r248815 32 33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34 35. ../default.cfg 36 37[ -z "$nfs_export" ] && exit 0 38ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 || 39 exit 0 40 41here=`pwd` 42cd /tmp 43sed '1,/^EOF/d' < $here/$0 > nfs12.c 44mycc -o nfs12 -Wall -Wextra -O2 -g nfs12.c 45rm -f nfs12.c 46cd $here 47 48mount | grep "on $mntpoint " | grep nfs > /dev/null && umount $mntpoint 49version="-o nfsv3" # The default 50[ $# -eq 1 ] && [ "$1" -eq 4 ] && version="-o nfsv4" 51for i in `jot 10`; do 52 mount -t nfs $version -o tcp -o retrycnt=3 -o intr,soft -o rw \ 53 $nfs_export $mntpoint 54 sleep 2 55 56 if [ $i -eq 10 ]; then 57 rm -f $mntpoint/nfs12.p* 58 else 59 (cd $mntpoint; /tmp/nfs12 > /dev/null 2>&1) & 60 sleep 2 61 fi 62 63 while mount | grep "on $mntpoint " | grep -q nfs; do 64 umount -f $mntpoint 65 done 66 kill -9 $! > /dev/null 2>/dev/null && kill $! 67 wait 68done 69 70rm -f /tmp/nfs12 71exit 72EOF 73#include <sys/param.h> 74#include <sys/mman.h> 75#include <sys/stat.h> 76#include <sys/wait.h> 77 78#include <err.h> 79#include <errno.h> 80#include <fcntl.h> 81#include <stdio.h> 82#include <stdlib.h> 83#include <string.h> 84#include <unistd.h> 85 86#define INPUTFILE "/bin/date" 87#define PARALLEL 5 88 89static int 90tmmap(void) 91{ 92 struct stat statbuf; 93 pid_t pid; 94 char *src, *dst; 95 int i; 96 int fdin, fdout; 97 char file[128]; 98 99 pid = getpid(); 100 setproctitle("mmap"); 101 for (i = 0; i < 50000; i++) { 102 sprintf(file,"nfs12.p%05d.%05d", pid, i); 103 104 if ((fdin = open(INPUTFILE, O_RDONLY)) < 0) 105 err(1, INPUTFILE); 106 107 if ((fdout = open(file, O_RDWR | O_CREAT | O_TRUNC, 0600)) < 0) 108 err(1, "%s", file); 109 110 if (fstat(fdin, &statbuf) < 0) 111 err(1, "fstat error"); 112 113 if (lseek(fdout, statbuf.st_size - 1, SEEK_SET) == -1) 114 err(1, "lseek error"); 115 116 /* write a dummy byte at the last location */ 117 if (write(fdout, "", 1) != 1) 118 err(1, "write error"); 119 120 if ((src = mmap(0, statbuf.st_size, PROT_READ, MAP_SHARED, fdin, 0)) == 121 (caddr_t) - 1) 122 err(1, "mmap error for input"); 123 124 if ((dst = mmap(0, statbuf.st_size, PROT_READ | PROT_WRITE, 125 MAP_SHARED, fdout, 0)) == (caddr_t) - 1) 126 err(1, "mmap error for output"); 127 128 memcpy(dst, src, statbuf.st_size); 129 130 if (munmap(src, statbuf.st_size) == -1) 131 err(1, "munmap"); 132 close(fdin); 133 134 if (munmap(dst, statbuf.st_size) == -1) 135 err(1, "munmap"); 136 close(fdout); 137 138 if (unlink(file) == -1) 139 err(3, "unlink(%s)", file); 140 } 141 142 _exit(0); 143} 144 145int 146main(void) 147{ 148 int i; 149 150 for (i = 0; i < PARALLEL; i++) { 151 if (fork() == 0) 152 tmmap(); 153 } 154 155 for (i = 0; i < PARALLEL; i++) { 156 wait(NULL); 157 } 158 159 return (0); 160} 161