118 lines
3.0 KiB
Bash
Executable File
118 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
#
|
|
# Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
|
|
# 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.
|
|
#
|
|
|
|
# Test scenario by kib@freebsd.org
|
|
|
|
# Test of patch for Giant trick in cdevsw
|
|
|
|
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
|
|
[ -d /usr/src/sys ] || exit 0
|
|
builddir=`sysctl kern.version | grep @ | sed 's/.*://'`
|
|
[ -d "$builddir" ] && export KERNBUILDDIR=$builddir || exit 0
|
|
export SYSDIR=`echo $builddir | sed 's#/sys.*#/sys#'`
|
|
|
|
. ../default.cfg
|
|
|
|
odir=`pwd`
|
|
dir=$RUNDIR/fpclone
|
|
[ ! -d $dir ] && mkdir -p $dir
|
|
|
|
cd $dir
|
|
cat > Makefile <<EOF
|
|
KMOD= fpclone
|
|
SRCS= fpclone.c
|
|
|
|
.include <bsd.kmod.mk>
|
|
EOF
|
|
|
|
sed '1,/^EOF2/d' < $odir/fpclone.sh > fpclone.c
|
|
make
|
|
kldload $dir/fpclone.ko
|
|
|
|
sed '1,/^EOF2/d' < $odir/$0 > fpclone2.c
|
|
mycc -o /tmp/fpclone2 -Wall fpclone2.c
|
|
rm -f fpclone2.c
|
|
|
|
cd $odir
|
|
for i in `jot 10`; do
|
|
/tmp/fpclone2 &
|
|
done
|
|
|
|
for i in `jot 10`; do
|
|
wait
|
|
done
|
|
kldstat
|
|
kldunload $dir/fpclone.ko
|
|
rm -rf $dir /tmp/fpclone2
|
|
exit
|
|
|
|
EOF2
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <err.h>
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int fd;
|
|
int i;
|
|
char buf[80];
|
|
|
|
for (i = 0; i < 10000; i++) {
|
|
if ((fd = open("/dev/fpclone", O_RDONLY)) == -1)
|
|
err(1, "open(/dev/fpclone");
|
|
if (read(fd, buf, sizeof(buf)) <= 0)
|
|
err(1, "read");
|
|
if (dup2(fd, 10) == -1)
|
|
err(1, "dup");
|
|
if (dup2(fd, 11) == -1)
|
|
err(1, "dup");
|
|
if (dup2(fd, 12) == -1)
|
|
err(1, "dup");
|
|
if (close(fd) == -1)
|
|
err(1, "close(%d)", fd);
|
|
if (close(10) == -1)
|
|
err(1, "close(%d)", 10);
|
|
if (close(11) == -1)
|
|
err(1, "close(%d)", 11);
|
|
if (close(12) == -1)
|
|
err(1, "close(%d)", 12);
|
|
}
|
|
if ((fd = open("/dev/fpclone", O_WRONLY)) == -1)
|
|
err(1, "open(/dev/fpclone");
|
|
if (write(fd, "xxx", 3) == -1 && errno != ENODEV)
|
|
err(1, "write");
|
|
if (close(fd) == -1)
|
|
err(1, "close(%d)", fd);
|
|
|
|
return (0);
|
|
}
|