bumblebee-git/bumblebee.handler.archlinux

   1 #!/bin/bash
   2
   3 # Bumblebee daemon handler script. ArchLinux script to start/stop daemon.
   4 . /etc/rc.conf
   5 . /etc/rc.d/functions
   6
   7 NAME=bumblebee
   8 BIN="$(which $NAME)"
   9 PIDFILE=/var/run/$NAME.pid
  10
  11 start() {
  12     # Start the daemon only if there is not another instance running
  13     stat_busy "Starting Bumblebee"
  14     "$BIN" --status >/dev/null
  15     case $? in
  16       0) ;; # already running
  17       1) ;; # already running and X is available
  18       3) ;; # already running, but X server cannot be started
  19       2) # Can be started
  20         "$BIN" -d >/dev/null 2>&1 &
  21         add_daemon $NAME
  22         stat_done
  23         return
  24         ;;
  25     esac
  26     stat_fail
  27 }
  28
  29 stop() {
  30     # Stop the daemon only if there is an instance running
  31     stat_busy "Stopping Bumblebee"
  32     "$BIN" --status >/dev/null
  33     case $? in
  34       0|1|3) # Alive and running
  35         local pid=$(cat $PIDFILE)
  36         kill -TERM $pid >/dev/null
  37         # give it time to end gracefully...
  38         local retries=10
  39         while [ $retries -gt 0 ]; do
  40             retries=$(expr $retries - 1)
  41             "$BIN" --status >/dev/null
  42             case $? in
  43               0|1|3) # not ready
  44                 sleep .5
  45                 ;;
  46               *) # no need for polling anymore
  47                 break
  48                 ;;
  49             esac
  50         done
  51         # ... otherwhise just terminate it.
  52         "$BIN" --status >/dev/null
  53         case $? in
  54           0|1|3) # still alive > Kill
  55             kill -KILL $pid >/dev/null
  56             ;;
  57           *)
  58             ;;
  59         esac
  60         rm_daemon $NAME
  61         stat_done
  62         ;;
  63       2) # Not started
  64         stat_fail
  65         ;;
  66     esac
  67 }
  68
  69 restart() {
  70   stop
  71   sleep 1
  72   start
  73 }
  74
  75 case "$1" in
  76   start)
  77     start
  78     ;;
  79   stop)
  80     stop
  81     ;;
  82   restart)
  83     restart
  84     ;;
  85   status)
  86     # not implemented
  87     ;;
  88   *)
  89     echo "Usage: $0 {start|stop|restart}"
  90     exit 1
  91     ;;
  92 esac