Автоматический рестарт при неожиданном завершение приложения

#Source Dedicated Server Init Script
 
# Server options
TITLE='cs001' # Script initialization title
LONGNAME='Counter-Strike 1.6'        # Full title of game type
NAME='cs001'                          # Server handle for the screen session
DAEMON='hlds_run'                # The server daemon
UPDATER='/usr/hlds'        # The Steam updater. I recommend keeping it one directory below orangebox for tf2 servers.
STEAM='/gameservers/cs1.6/myservers/unreal_public'        # STEAM to Steam installation
USER='root'                        # User that this will be running under. Currently not functional part of this script.
 
# Game options
IP='localhost'                # IP of the server
PORT='2013'                    # Port number to
GAME='cstrike'                        # Game type (tf|cstrike|valve|hl2mp)
SIZE='32'                        # Maximum number of players
HIGHPRIORITY=-20                #Set server renice to -20 will make server take priority over all other applications on server. 1 being on and 0 being off.
 
# Server options string
OPTS="-game $GAME -port $PORT +ip $IP -noipx +maxplayers $SIZE -insecure +map $MAP -nomaster +sv_lan 0 -pidfile $STEAM/$GAME/$NAME.pid"
# Screen command
CURRENT_USER=$(/usr/bin/whoami)
if [ "$CURRENT_USER" = "$USER" ]; then
    INTERFACE="/usr/bin/screen -A -m -d -S $NAME"
  else
    INTERFACE="sudo -u $USER /usr/bin/screen -A -m -d -S $NAME"
fi
 
 
service_start() {
 
    # Check if the pid files currently exist
    if [ -f $STEAM/$GAME/$NAME.pid ] || [ -f $STEAM/$GAME/$NAME-screen.pid ]; then
        # Pid files allready exist check if the process is still running.
 
        if [ "$(ps -p `cat $STEAM/$GAME/$NAME.pid` | wc -l)" -gt 1 ]; then
            # Process is still running.
            echo -e "Cannot start $TITLE.  Server is already running."
        #exit 1
        else
        # Process exited with out cleaning up pid files.
            if [ "$(ps -p `cat $STEAM/$GAME/$NAME.pid` | wc -l)" -gt 1 ]; then
            # Screen is still running.
            # Get the process ID from the pid file we created earlier
                kill -9 `cat $STEAM/$GAME/$NAME-screen.pid`
                echo "Killing process ID $id"
                echo "Removing $TITLE screen pid file"
                rm -rf $STEAM/$GAME/$NAME-screen.pid
break
            fi
if [ -f $STEAM/$GAME/$NAME-screen.pid ]; then
rm -rf $STEAM/$GAME/$NAME-screen.pid
fi
 
        # Remove server pid file
        echo "Removing $TITLE pid file"
        rm -rf $STEAM/$GAME/$NAME.pid
        # Wipe all old screen sessions
        screen -wipe 1> /dev/null 2> /dev/null
        service_start
        fi
    else
    # Server is not running start the server.
        if [ -x $STEAM/$DAEMON ]; then
            echo "Starting $TITLE - $LONGNAME"
            echo "Server IP: $IP"
            echo "Server port: $PORT"
            echo "Server size: $SIZE players"
            cd $STEAM
            $INTERFACE $STEAM/$DAEMON $OPTS
            # Prevent race condition on SMP kernels
             sleep 1
            # Find and write current process id of the screen process
            ps -ef | grep SCREEN | grep "$NAME" | grep -v grep | awk '{ print $2}' > $STEAM/$GAME/$NAME-screen.pid
            echo "$TITLE screen process ID written to $STEAM/$GAME/$NAME-screen.pid"
            echo "$TITLE server process ID written to $STEAM/$GAME/$NAME.pid"
            
            echo "$TITLE started."
            # Was having problems with directory permisions due to ftp access making these files unreadable by users other than owner.
            chmod 666 $STEAM/$GAME/*.pid #1> /dev/null 2> /dev/null
            # Make any pid files created by different users owned by the set user.
            chown $USER $STEAM/$GAME/*.pid #1> /dev/null 2> /dev/null
            sleep 2
            if [ $HIGHPRIORITY = 1 ]; then
                renice -20 `cat $STEAM/$GAME/$NAME.pid` >/dev/null 2>&1
            fi
        fi
    fi
}
 
service_stop() {
    if [ -f $STEAM/$GAME/$NAME.pid ] || [ -f $STEAM/$GAME/$NAME-screen.pid ]; then
        echo "Stopping $TITLE - $LONGNAME."
        # Get the process ID from the pid file we created earlier
        for id in `cat $STEAM/$GAME/$NAME-screen.pid`
            do kill -9 $id
            echo "Killing process ID $id"
            echo "Removing $TITLE screen pid file"
            rm -rf $STEAM/$GAME/$NAME-screen.pid
            break
        done
        # Remove server pid file
        echo "Removing $TITLE pid file"
        rm -rf $STEAM/$GAME/$NAME.pid
        # Wipe all old screen sessions
        screen -wipe 1> /dev/null 2> /dev/null
        echo "$TITLE stopped."
    else
        echo -e "Cannot stop $TITLE.  Server is not running."
        #exit 1
    fi    
}    
service_clear() {
    # Removing all pid files
    echo "Removing all Service pid files."
    rm -rf $STEAM/$GAME/*.pid 1> /dev/null 2> /dev/null
}
 
service_update() {
    echo "Stopping and Clearing all Service files."
    service_stop
    sleep 2
    service_clear
    sleep 2
    echo "Updating Steam Updater"
    cd $UPDATER
    ./steam 1> /dev/null 2> /dev/null
    echo "Updating Game Files"
    ./steam -command update -game $GAME -dir . 1> /dev/null 2> /dev/null
    sleep 2
    service_start
}
 
 
case "$1" in
    'start')
        service_start
        ;;
    'stop')
        service_stop
        ;;
    'restart')
        service_stop
        sleep 1
        service_start
        ;;
    'clear')
        service_clear
        ;;
    'update')
        service_update
        ;;
    *)
        echo "Usage $0 start|stop|restart|clear|update"
esac