codemux.initscript

   1 #!/bin/sh
   2 #
   3 # chkconfig: 345 85 02
   4 # description: codemux startup script
   5 #
   6
   7 PROC=codemux
   8
   9 . /etc/rc.d/init.d/functions
  10
  11 RETVAL=0
  12
  13 pidfile=/var/run/$PROC.pid
  14
  15 [ -r /etc/sysconfig/codemux ] && . /etc/sysconfig/codemux
  16
  17 check_status() {
  18     pid=`cat $pidfile 2>/dev/null`
  19     #
  20     # this eliminates a race condition between checking existence of pidfile
  21     # and reading its value
  22     #
  23     [ -n "$pid" -a -d /proc/$pid ]
  24 }
  25
  26 case "$1" in
  27     start)
  28         echo -n "starting $PROC:"
  29         pid=`cat $pidfile 2>/dev/null`
  30         if [ -n "$pid" ]; then
  31             # check whether process really exists
  32             # yes - don't try to start
  33             [ -d /proc/$pid ] && action "already running" /bin/true && exit 1
  34
  35             # no - PID file is stale
  36             rm -f $pidfile
  37         fi
  38
  39         #initlog -c /usr/sbin/codemux # Depricated
  40                 /usr/sbin/codemux $CODEMUX_OPTS
  41
  42         cmd=success
  43         check_status && touch /var/lock/subsys/$PROC || cmd=failure
  44         $cmd "$PROC startup"
  45         echo
  46         ;;
  47
  48     stop)
  49         echo -n "shutting down $PROC: "
  50         killproc $PROC
  51         killproc $PROC
  52         RETVAL=$?
  53         echo
  54         [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/$PROC
  55         ;;
  56
  57     restart|reload)
  58         $0 stop
  59         $0 start
  60         RETVAL=$?
  61         ;;
  62
  63     status)
  64         check_status && echo 'running' && exit 0 || \
  65             echo 'not running' && exit 1
  66         ;;
  67
  68     condrestart)
  69         if test -f /var/lock/subsys/$PROC; then
  70             $0 stop
  71             $0 start
  72             RETVAL=$?
  73         fi
  74         ;;
  75
  76     *)
  77         echo "Usage: $0 {start|stop|restart|status|condrestart}"
  78         RETVAL=1
  79 esac
  80
  81 exit $RETVAL