Snail/share/init.d/snail-watcher.sysv

#!/bin/sh
### BEGIN INIT INFO
# Provides:             snail-watcher
# Required-Start:       $local_fs
# Required-Stop:        $local_fs
# Should-Start:
# Should-Stop:
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    Snail watcher.
# Description:          Starts the snail-watcher daemon
#                       /etc/default/snail-watcher.
### END INIT INFO

# Get lsb functions
. /lib/lsb/init-functions

PATH=$PATH:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
DAEMON="/usr/sbin/snail-watcher.sh"
DAEMON_ARGS=""
PIDFILE=/var/run/snail-watcher.pid

case "$1" in
  start)
    log_begin_msg "Starting snail-watcher"
      pid=`cat $PIDFILE 2>/dev/null`
      [ -z $pid ] || ! ps $pid 1>/dev/null 2>&1 && \
        start-stop-daemon --make-pidfile \
                          --background \
                          --start \
                          --pidfile $PIDFILE \
                          --exec $DAEMON \
                          -- $DAEMON_ARGS \
      || log_warning_msg "Already running..."
    log_end_msg $?
    ;;
  stop)
        log_begin_msg "Stopping snail-watcher"
        start-stop-daemon --stop \
                          --pidfile $PIDFILE
        log_end_msg $?
    ;;
  restart)
    $0 stop
    $0 start
    ;;
  *)
    log_success_msg "Usage: /etc/init.d/snail-watcher {start|stop|restart}"
    exit 1
esac