#! /bin/bash

cd /etc/sysconfig/network-scripts
. network-functions

CONFIG=$1
[ -f "$CONFIG" ] || CONFIG=ifcfg-$1
source_config

if [ "$TYPE" = "xDSL" ] && [ -x /sbin/adsl-stop -o -x /usr/sbin/adsl-stop ] ; then
    adsl-stop /etc/sysconfig/network-scripts/$CONFIG
    exit $?
fi

if [ "${DEMAND}" = "yes" -a -f /var/run/ppp-${DEVICE}.pid ] ; then
    PID=`head -1 /var/run/ppp-${DEVICE}.pid`
    kill -TERM ${PID}
    sleep 2
    [ ! -d /proc/${PID} ] && exit 0
    sleep 5
    [ ! -d /proc/${PID} ] && exit 0
    kill -TERM ${PID}
    [ ! -d /proc/${PID} ] && exit 0
    exit 1
fi

file=/var/run/pppwatch-${DEVICE}.pid

if [ ! -f $file ]; then
    # ppp isn't running, or we didn't start it
    exit 0
fi

PID=`cat $file`
[ -n "${PID}" ] || exit 1

kill -TERM ${PID} > /dev/null 2>&1
[ ! -d /proc/${PID} ] && exit 0
sleep 2
[ ! -d /proc/${PID} ] && exit 0
sleep 5
[ ! -d /proc/${PID} ] && exit 0
sleep 10
[ ! -d /proc/${PID} ] && exit 0

# killing ppp-watch twice in a row causes it to send a SIGKILL to pppd pgrp
kill -TERM ${PID} > /dev/null 2>&1
[ ! -d /proc/${PID} ] && exit 0

exit 1