etc/init.d/cpuplugd

   1 #!/bin/bash
   2 ### BEGIN INIT INFO
   3 # Provides: cpuplugd
   4 # Required-Start: $local_fs $remote_fs
   5 # Required-Stop: $local_fs $remote_fs
   6 # Should-Start:
   7 # Should-Stop:
   8 # Default-Start: 2 3 4 5
   9 # Default-Stop: 0 1 6
  10 # Short-Description: Start the cpu hotplug daemon for Linux on System z
  11 # Description: Starts the cpuplugd. It uses the configuration
  12 #              file /etc/sysconfig/cpuplugd
  13 ### END INIT INFO
  14
  15 # chkconfig: 2345 01 99
  16
  17 DAEMON=cpuplugd
  18 DAEMON_PATH=/usr/sbin/cpuplugd
  19 CONFIG_FILE=/etc/sysconfig/cpuplugd
  20 RUN_PID_FILE=/var/run/cpuplugd.pid
  21 RETVAL=0
  22 OPTIONS="-c $CONFIG_FILE"
  23
  24 # source function library
  25 . /lib/lsb/init-functions
  26
  27 start()
  28 {
  29         if [ ! -f $RUN_PID_FILE ]; then
  30                 echo -n $"Starting $DAEMON:"
  31                 $DAEMON_PATH $OPTIONS
  32                 if [ $? == "0" ]; then
  33                         touch /var/lock/subsys/cpuplugd
  34                         log_success_msg
  35                 else
  36                         log_failure_msg
  37                 fi
  38                 echo
  39         else
  40                 echo "$DAEMON (pid $(cat $RUN_PID_FILE)) is already running..."
  41                 echo
  42         fi
  43 }
  44
  45 stop()
  46 {
  47         echo -n $"Stopping $DAEMON:"
  48         if [ -f $RUN_PID_FILE ]; then
  49                 killproc $DAEMON_PATH -TERM
  50                 log_success_msg
  51                 rm -f $RUN_PID_FILE
  52                 rm -f /var/lock/subsys/cpuplugd
  53         else
  54                 log_failure_msg
  55         fi
  56         echo
  57 }
  58
  59 restart() {
  60         stop
  61         #
  62         # We have to wait 2-3 seconds here. When the daemon is stopped it takes
  63         # the time we sleep to reactivate cpus. If we restart to fast and
  64         # cpuplugd wasn't able to restore some settings we may get a undesired
  65         # online cpu count after cpuplugd shutdown
  66         #
  67         sleep 4
  68         start
  69 }
  70
  71 status()
  72 {
  73         if [ ! -f $RUN_PID_FILE ]; then
  74                 echo "$DAEMON is not running."
  75                 echo
  76         else
  77                 echo "$DAEMON (pid $(cat $RUN_PID_FILE), options: $OPTIONS) is running."
  78                 echo
  79         fi
  80 }
  81
  82 reload()
  83 {
  84         echo -n $"Reloading $DAEMON: "
  85         if [ -f $RUN_PID_FILE ]; then
  86                 killproc $DAEMON_PATH -HUP
  87             log_success_msg
  88         else
  89             log_failure_msg
  90         fi
  91         RETVAL=$?
  92         echo
  93 }
  94
  95
  96 # How are we called?
  97 case "$1" in
  98         start)
  99                 start
 100                 ;;
 101         stop)
 102                 stop
 103                 ;;
 104         status)
 105                 status
 106                 ;;
 107         restart)
 108                 restart
 109                 ;;
 110         reload)
 111                 reload
 112                 ;;
 113         *)
 114                 echo "Usage: $DAEMON {start|stop|status|restart|reload}"
 115                 RETVAL=1
 116 esac
 117
 118 exit $RETVAL