#!/bin/bash

echo 'Please wait for all virtual machines to save and exit...'
PROCS=

for i in `vboxmanage list runningvms | grep '"' | sed 's/^"//' | sed 's/".*$//'`
do
        vboxmanage controlvm $i savestate 2>/dev/null 1>/dev/null &
        PROCS="$PROCS $!"
done

PROCS=`echo -n $PROCS | sed 's/^[ ]//'`

while test -n "$PROCS"
do
        for i in $PROCS
        do
                PROC=`ps -e | grep -e "$i"`
                if test -z "$PROC"
                then
                        PROCS=`echo -n $PROCS | sed s/$i// | sed 's/^[ ]//' | sed 's/[ ]$//'`
                fi
        done
done

sleep 1
sudo /etc/rc.d/rc.vboxdrv stop
exit 0