161 lines
3.9 KiB
Bash
Executable File
161 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2013 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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# "umount -f" test scenario (distill of nfs4.sh)
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# "panic: vputx: missed vn_close" seen.
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# Fixed in r248815
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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[ -z "$nfs_export" ] && exit 0
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ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 ||
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exit 0
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here=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $here/$0 > nfs12.c
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mycc -o nfs12 -Wall -Wextra -O2 -g nfs12.c
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rm -f nfs12.c
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cd $here
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mount | grep "on $mntpoint " | grep nfs > /dev/null && umount $mntpoint
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version="-o nfsv3" # The default
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[ $# -eq 1 ] && [ "$1" -eq 4 ] && version="-o nfsv4"
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for i in `jot 10`; do
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mount -t nfs $version -o tcp -o retrycnt=3 -o intr,soft -o rw \
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$nfs_export $mntpoint
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sleep 2
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if [ $i -eq 10 ]; then
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rm -f $mntpoint/nfs12.p*
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else
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(cd $mntpoint; /tmp/nfs12 > /dev/null 2>&1) &
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sleep 2
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fi
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while mount | grep "on $mntpoint " | grep -q nfs; do
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umount -f $mntpoint
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done
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kill -9 $! > /dev/null 2>/dev/null && kill $!
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wait
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done
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rm -f /tmp/nfs12
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exit
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EOF
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#include <sys/param.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define INPUTFILE "/bin/date"
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#define PARALLEL 5
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static int
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tmmap(void)
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{
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struct stat statbuf;
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pid_t pid;
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char *src, *dst;
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int i;
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int fdin, fdout;
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char file[128];
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pid = getpid();
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setproctitle("mmap");
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for (i = 0; i < 50000; i++) {
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sprintf(file,"nfs12.p%05d.%05d", pid, i);
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if ((fdin = open(INPUTFILE, O_RDONLY)) < 0)
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err(1, INPUTFILE);
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if ((fdout = open(file, O_RDWR | O_CREAT | O_TRUNC, 0600)) < 0)
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err(1, "%s", file);
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if (fstat(fdin, &statbuf) < 0)
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err(1, "fstat error");
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if (lseek(fdout, statbuf.st_size - 1, SEEK_SET) == -1)
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err(1, "lseek error");
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/* write a dummy byte at the last location */
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if (write(fdout, "", 1) != 1)
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err(1, "write error");
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if ((src = mmap(0, statbuf.st_size, PROT_READ, MAP_SHARED, fdin, 0)) ==
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(caddr_t) - 1)
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err(1, "mmap error for input");
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if ((dst = mmap(0, statbuf.st_size, PROT_READ | PROT_WRITE,
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MAP_SHARED, fdout, 0)) == (caddr_t) - 1)
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err(1, "mmap error for output");
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memcpy(dst, src, statbuf.st_size);
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if (munmap(src, statbuf.st_size) == -1)
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err(1, "munmap");
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close(fdin);
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if (munmap(dst, statbuf.st_size) == -1)
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err(1, "munmap");
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close(fdout);
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if (unlink(file) == -1)
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err(3, "unlink(%s)", file);
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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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int i;
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for (i = 0; i < PARALLEL; i++) {
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if (fork() == 0)
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tmmap();
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}
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for (i = 0; i < PARALLEL; i++) {
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wait(NULL);
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}
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return (0);
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}
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