File: ipv6-down.sample

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#!/bin/sh
#
# This script is called with the following parameters:
# interface tty speed local-address remote-address ipparam
#


# Kill the router advertisement daemon on this interface.
# The killing procedure is copied from RedHat 6.0 initscripts.

DEVICE="$1"

PIDFILE="/var/run/radvd-$DEVICE.pid"

[ -f "$PIDFILE" ] || exit 0

PID="$(cat "$PIDFILE")"
if [ "$PID" != "" ]; then
    if ps h "$PID" >/dev/null 2>&1; then
	kill -TERM "$PID"
	usleep 10000
	if ps h "$PID" >/dev/null 2>&1; then
	    sleep 1
	    if ps h "$PID" >/dev/null 2>&1; then
		kill -KILL "$PID"
	    fi
	fi
    fi
fi

rm -f "$PIDFILE"