#!/bin/bash -v

#
# Copyright (c) International Business Machines  Corp., 2005
# Author: Avantika Mathur (mathurav@us.ibm.com)
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#


disk1=disk1
disk2=disk2
disk3=disk3
disk4=disk4
fs=ext3

mkdir -p $disk1 $disk2 $disk3 $disk4



rm -rf $disk1/* $disk2/* $disk3/* $disk4/*

mkdir $disk1/a $disk1/b $disk1/c
mkdir $disk2/d $disk2/e $disk2/f
mkdir $disk3/g $disk3/h $disk3/i
mkdir $disk4/j $disk4/k $disk4/l

lockfile="/.nslock"
otherpid=
startparent()
{
        rm -f $lockfile
        echo $$ >| ${lockfile}parent
        while [ 1 ]
        do
                otherpid="$(cat ${lockfile}child 2> /dev/null)"
                if [ -n "$otherpid" -a -d /proc/$otherpid ]
                then
                        return
                fi
        done
}


startchild()
{
        rm -f $lockfile
        echo $$ >| ${lockfile}child
        while [ 1 ]
        do
                otherpid="$(cat ${lockfile}parent 2> /dev/null)"
                if [ -n "$otherpid" -a -d /proc/$otherpid ]
                then
                        return
                fi
        done
}

iamgoingahead()
{
        while [ 1 ]
        do
                pid=`cat $lockfile 2> /dev/null`
                if [ "$pid" == "$$" ]
                then
                        return
                fi
                sleep 1
        done
}


goahead()
{
        set -x
        echo $otherpid > $lockfile
        set +x
}


check(){
	"${FS_BIND_ROOT}/bin/check_prop" $*
	ret=$?
	if [ $ret -ne 0 ]; then
		result=$ret
	fi
}
export result=0

cleanup(){
	rm -rf "disk"*
}