From 40f8526a8d9264ccc297c6df5f48f900fc681e9c Mon Sep 17 00:00:00 2001 From: Koen Kooi Date: Wed, 12 Jan 2011 21:38:46 +0100 Subject: ntp: import from OE Signed-off-by: Koen Kooi --- recipes-support/ntp/files/ntpdate | 49 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100755 recipes-support/ntp/files/ntpdate (limited to 'recipes-support/ntp/files/ntpdate') diff --git a/recipes-support/ntp/files/ntpdate b/recipes-support/ntp/files/ntpdate new file mode 100755 index 0000000000..784b029ad5 --- /dev/null +++ b/recipes-support/ntp/files/ntpdate @@ -0,0 +1,49 @@ +#!/bin/sh + +PATH=/sbin:/bin:/usr/bin + +test -x /usr/bin/ntpdate || exit 0 + +if test -f /etc/default/ntpdate ; then +. /etc/default/ntpdate +else +NTPSERVERS="pool.ntp.org" +fi + +test -n "$NTPSERVERS" || exit 0 + +# This is a heuristic: The idea is that if a static interface is brought +# up, that is a major event, and we can put in some extra effort to fix +# the system time. Feel free to change this, especially if you regularly +# bring up new network interfaces. +if [ "$METHOD" = static ]; then + OPTS="-b" +fi + +if [ "$METHOD" = loopback ]; then + exit 0 +fi + +( + +LOCKFILE=/var/lock/ntpdate + +# Avoid running more than one at a time +if [ -x /usr/bin/lockfile-create ]; then + lockfile-create $LOCKFILE + lockfile-touch $LOCKFILE & + LOCKTOUCHPID="$!" +fi + +if /usr/bin/ntpdate -s $OPTS $NTPSERVERS 2>/dev/null; then + if [ "$UPDATE_HWCLOCK" = "yes" ]; then + hwclock --systohc || : + fi +fi + +if [ -x /usr/bin/lockfile-create ] ; then + kill $LOCKTOUCHPID + lockfile-remove $LOCKFILE +fi + +) & -- cgit v1.2.3-54-g00ecf