File: ngetty.init.sample

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ngetty 1.1-9
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#!/bin/sh
### BEGIN INIT INFO
# Provides:          ngetty
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: a small getty replacement
# Description:       Debian init script for ngetty, a small getty replacement
### END INIT INFO

# Author: NIIBE Yutaka <gniibe@fsij.org>

PATH=/sbin:/bin
DESC="ngetty"
NAME=ngetty
DAEMON=/sbin/ngetty
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
STARTER=/sbin/ngetty-argv
STARTER_ARGS="-D -S -d/ -e -p$PIDFILE"

# Exit if the package is not installed (has been removed)
test -x $DAEMON || exit 0

NGETTY_TTYS_RUNLEVEL23="1 2 3 4 5 6"
NGETTY_TTYS_RUNLEVEL45="1"

# Read configuration variable file if it is present
test -f /etc/default/$NAME  && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
. /lib/lsb/init-functions

if [ -z "${RUNLEVEL:-}" ]; then
    # we need only the current level
    RUNLEVEL=`runlevel | sed 's/^. //'`
fi

case "$RUNLEVEL" in
  0|1|6) ;;
  S|N) ;;
  2|3) DAEMON_ARGS="$NGETTY_TTYS_RUNLEVEL23" ;;
  4|5) DAEMON_ARGS="$NGETTY_TTYS_RUNLEVEL45" ;;
esac


#
# Function that starts the daemon/service
#
do_start()
{
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $STARTER --test > /dev/null \
		|| return 1
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $STARTER -- \
		" $STARTER_ARGS -- $DAEMON $NAME $DAEMON_ARGS" \
		|| return 2
}

#
# Function that stops the daemon/service
#
do_stop()
{
	# Return
	#   0 if daemon has been stopped
	#   1 if daemon was already stopped
	#   2 if daemon could not be stopped
	#   other if a failure occurred
	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
	RETVAL="$?"
	[ "$RETVAL" = 2 ] && return 2
	# Wait for children to finish too if this is a daemon that forks
	# and if the daemon is only ever run from this initscript.
	# If the above conditions are not satisfied then add some other code
	# that waits for the process to drop all resources that could be
	# needed by services started subsequently.  A last resort is to
	# sleep for some time.
	start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
	[ "$?" = 2 ] && return 2
	rm -f $PIDFILE
	return "$RETVAL"
}

case "$1" in
  start)
    [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC " "$NAME"
    do_start
    case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
  ;;
  stop)
	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  restart|force-reload)
	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
	case "$?" in
	  0|1)
		do_start
		case "$?" in
			0) log_end_msg 0 ;;
			1) log_end_msg 1 ;; # Old process is still running
			*) log_end_msg 1 ;; # Failed to start
		esac
		;;
	  *)
	  	# Failed to stop
		log_end_msg 1
		;;
	esac
	;;
  *)
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
	exit 3
	;;
esac

exit 0