cdpolld/cdpolld.rcd

   1 #!/bin/bash
   2
   3 . /etc/rc.conf
   4 . /etc/rc.d/functions
   5
   6 [ -f /etc/conf.d/cdpolld ] && . /etc/conf.d/cdpolld
   7
   8 DEVLIST=${DEVLIST:-/dev/sr0}
   9 TIMEOUT=${TIMEOUT:-2}
  10
  11 poll_daemon(){
  12         PIDFILE="/var/run/`basename $0`.pid"
  13
  14         touch $PIDFILE &>/dev/null
  15         [ $? -gt 0 ] && return 1
  16         SELFPID=`pidof -x $0`
  17         (
  18                 trap "rm -f $PIDFILE;return 0" 0 &>/dev/null
  19                 trap "rm -f $PIDFILE;return 0" SIGINT &>/dev/null
  20                 trap "rm -f $PIDFILE;return 0" SIGQUIT &>/dev/null
  21                 trap "rm -f $PIDFILE;return 0" SIGKILL &>/dev/null
  22                 trap "rm -f $PIDFILE;return 0" SIGTERM &>/dev/null
  23
  24                 pidof -o $SELFPID -x $0 >$PIDFILE
  25                 [ $? -gt 0 ] && return 1
  26                 while [ -n "1" ]; do
  27                         for DEV in "${DEVLIST[@]}"; do
  28                                 touch $DEV |logger
  29                         done
  30                         sleep $TIMEOUT
  31                 done
  32         ) &
  33         return 0
  34 }
  35
  36 start(){
  37         stat_busy "Starting cdpolld"
  38         PID=`pidof -x -o %PPID cdpolld`
  39         [ -z $PID ] && poll_daemon
  40         if [ $? -gt 0 ]; then
  41                 stat_fail
  42         else
  43                 add_daemon cdpolld
  44                 stat_done
  45         fi
  46 }
  47
  48 stop(){
  49         stat_busy "Stopping cdpolld"
  50         PID=`pidof -x -o %PPID cdpolld`
  51         [ ! -z $PID ] && kill $PID &>/dev/null
  52         if [ $? -gt 0 ]; then
  53                 stat_fail
  54         else
  55                 rm_daemon cdpolld
  56                 stat_done
  57         fi
  58 }
  59
  60 case "$1" in
  61   start) start;;
  62   stop) stop;;
  63   restart) stop; sleep 2; start;;
  64   *) echo "usage: $0 {start|stop|restart}";;
  65 esac
  66 exit 0