openwrt/package/ntpclient/files/ntpclient.init

   1 #!/bin/sh
   2 server=$(nvram get ntp_server)
   3 case "$ACTION" in
   4         ifup)
   5                 ps x | grep '[n]tpclient' >&- || {
   6                         route -n 2>&- | awk '$1 == "0.0.0.0"' >&- && /usr/sbin/ntpclient -c 1 -s -h ${server:-pool.ntp.org} &
   7                 }
   8                 ;;
   9         ifdown)
  10                 route -n 2>&- | awk '$1 == "0.0.0.0"' >&- || killall ntpclient 2>&- >&- ;;
  11 esac