#!/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.
#
# $FreeBSD$
#

# Page fault in nfs_advlock

[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1

. ../default.cfg

trap "rm -f /tmp/$0.$$.*" 0
mount | grep "$mntpoint" | grep nfs > /dev/null && umount $mntpoint

for i in `jot 100`; do
	mount -t nfs -o tcp -o retrycnt=3 -o intr -o soft -o rw 127.0.0.1:/tmp $mntpoint

	for j in `jot 50`; do
#		sh -c "lockf -t 10 $mntpoint/$0.$$.$j sleep 3" &
		lockf -t 10 $mntpoint/$0.$$.$j sleep 3 &
	done

	while mount | grep -q ${mntpoint}; do
		umount -f $mntpoint > /dev/null 2>&1
	done
	for j in `jot 50`; do
		wait
	done
done