bumblebee-git/bumblebeed.in

   1 #!/bin/bash
   2 # Bumblebee daemon handler script. Distro-independent script to start/stop
   3 # daemon. Should be runnable in any distro but won't give any feedback.
   4
   5 . /etc/rc.conf
   6 . /etc/rc.d/functions
   7
   8 NAME=bumblebeed
   9 CLIENT="$(which optirun)"
  10 BIN="$(which $NAME)"
  11 PIDFILE=/var/run/$NAME.pid
  12
  13 start() {
  14     # Start the daemon only if there is not another instance running
  15     stat_busy "Starting Bumblebee"
  16     local pid="$(cat "$PIDFILE" 2>/dev/null)"
  17     kill -0  $pid >/dev/null 2>&1
  18     case $? in
  19       0) ;; # already running
  20       *) # Can be started
  21         "$BIN" --daemon >/dev/null
  22         add_daemon $NAME
  23         stat_done
  24         return 0
  25         ;;
  26     esac
  27     stat_fail
  28     return 1
  29 }
  30
  31 stop() {
  32     # Stop the daemon only if there is an instance running
  33     stat_busy "Stopping Bumblebee"
  34     local pid="$(cat "$PIDFILE" 2>/dev/null)"
  35     kill -0  $pid >/dev/null 2>&1
  36     case $? in
  37       0) # Alive and running
  38         local pid="$(cat "$PIDFILE" 2>/dev/null)"
  39         kill -TERM $pid >/dev/null
  40         # give it time to end gracefully...
  41         local retries=10
  42         while [ $retries -gt 0 ]; do
  43             retries=$(expr $retries - 1)
  44             kill -0 $pid >/dev/null 2>&1
  45             case $? in
  46               0) # not ready
  47                 sleep .5
  48                 ;;
  49               *) # no need for polling anymore
  50                 break
  51                 ;;
  52             esac
  53         done
  54         # ... otherwhise just terminate it.
  55         kill -0 $pid >/dev/null 2>&1
  56         case $? in
  57           0) # still alive > Kill
  58             kill -KILL $pid >/dev/null
  59             ;;
  60           *)
  61             ;;
  62         esac
  63         rm_daemon $NAME
  64         stat_done
  65         ;;
  66       *) # Not started
  67         stat_done
  68         ;;
  69     esac
  70 }
  71
  72 restart() {
  73         stop
  74     sleep 0.5
  75     start
  76 }
  77
  78 case "$1" in
  79     start)
  80         start
  81     ;;
  82     stop)
  83         stop
  84     ;;
  85     restart)
  86         restart
  87     ;;
  88     *)
  89             echo "Usage: $0 {start|stop|restart|status}"
  90             exit 1
  91         ;;
  92 esac