launchd/src/StartupItems/NetworkTime

   1 #!/bin/sh
   2
   3 ##
   4 # Network Time
   5 ##
   6
   7 . /etc/rc.common
   8
   9 StartService ()
  10 {
  11     if [ "${TIMESYNC:=-YES-}" = "-YES-" ] &&
  12        ! GetPID ntpd > /dev/null; then
  13
  14         CheckForNetwork
  15
  16         if [ -f /var/run/NetworkTime.StartupItem -o "${NETWORKUP}" = "-NO-" ]; then exit; fi
  17         touch /var/run/NetworkTime.StartupItem
  18
  19
  20         echo "Starting network time synchronization"
  21
  22         # Synchronize our clock to the network's time,
  23         # then fire off ntpd to keep the clock in sync.
  24         ntpdate -bvs
  25         ntpd -f /var/run/ntp.drift -p /var/run/ntpd.pid
  26     fi
  27 }
  28
  29 StopService ()
  30 {
  31     if pid=$(GetPID ntpd); then
  32         echo "Stopping network time synchronization"
  33         kill -TERM "${pid}"
  34     else
  35         echo "ntpd is not running."
  36     fi
  37     rm -f /var/run/NetworkTime.StartupItem
  38 }
  39
  40 RestartService () { StopService; StartService; }
  41
  42 RunService "$1"