daemontools.init

   1 #!/bin/sh
   2 #
   3 # svscan        svscan (scan and run services)
   4 #
   5 # chkconfig:    345 14 89
   6 #
   7 # description:  svscan (scan and run services) is a server part of the daemontools suite.
   8 #
   9 # $Id$
  10 #
  11
  12 # Source function library
  13 . /etc/rc.d/init.d/functions
  14
  15 # Get service config
  16 [ -f /etc/sysconfig/svscan ] && . /etc/sysconfig/svscan
  17
  18 start() {
  19         # Check if the service is already running?
  20         if [ -f /var/lock/subsys/svscan ]; then
  21                 msg_already_running svscan
  22                 return
  23         fi
  24
  25         msg_starting svscan
  26         busy
  27         # we can't get status report from background job
  28         # but we can only do simple file check
  29         if [ -w $SVSCAN_DIR ]; then
  30                 daemon --fork /usr/sbin/svscan $SVSCAN_DIR
  31                 RETVAL=$?
  32         else
  33                 fail
  34                 nls "Missing service directory. Create %s first." "$SVSCAN_DIR"
  35                 RETVAL=1
  36         fi
  37         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/svscan
  38 }
  39
  40 stop() {
  41         if [ ! -f /var/lock/subsys/svscan ]; then
  42                 msg_not_running svscan
  43                 return
  44         fi
  45
  46         msg_stopping svscan
  47         killproc svscan
  48         for s in $SVSCAN_DIR/*{,/log}/run; do
  49                 if [ -x "$s" ]; then
  50                         svc="$svc ${s%/run}"
  51                 fi
  52         done
  53         if [ "$svc" ]; then
  54                 svc -d -x $svc
  55         fi
  56         rm -f /var/run/svscan.pid /var/lock/subsys/svscan >/dev/null 2>&1
  57 }
  58
  59 condrestart() {
  60         if [ ! -f /var/lock/subsys/svscan ]; then
  61                 msg_not_running svscan
  62                 RETVAL=$1
  63                 return
  64         fi
  65
  66         stop
  67         start
  68 }
  69
  70 RETVAL=0
  71 # See how we were called.
  72 case "$1" in
  73   start)
  74         start
  75         ;;
  76   stop)
  77         stop
  78         ;;
  79   restart|force-reload)
  80         stop
  81         start
  82         ;;
  83   try-restart)
  84         condrestart 0
  85         ;;
  86   force-reload)
  87         condrestart 7
  88         ;;
  89   status)
  90         status svscan
  91         RETVAL=$?
  92         svstat $SVSCAN_DIR/*
  93         RETVAL=$(($RETVAL + $?))
  94         ;;
  95   *)
  96         msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}"
  97         exit 3
  98 esac
  99
 100 exit $RETVAL