diff options
Diffstat (limited to 'meta/recipes-support/ntp/files/ntpdate')
-rwxr-xr-x | meta/recipes-support/ntp/files/ntpdate | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/meta/recipes-support/ntp/files/ntpdate b/meta/recipes-support/ntp/files/ntpdate new file mode 100755 index 0000000000..ab0551c5a5 --- /dev/null +++ b/meta/recipes-support/ntp/files/ntpdate | |||
@@ -0,0 +1,54 @@ | |||
1 | #!/bin/sh | ||
2 | |||
3 | PATH=/sbin:/bin:/usr/bin | ||
4 | |||
5 | test -x /usr/bin/ntpdate || exit 0 | ||
6 | |||
7 | if test -f /etc/default/ntpdate ; then | ||
8 | . /etc/default/ntpdate | ||
9 | fi | ||
10 | |||
11 | if [ "$NTPSERVERS" = "" ] ; then | ||
12 | if [ "$METHOD" = "" -a "$1" != "silent" ] ; then | ||
13 | echo "Please set NTPSERVERS in /etc/default/ntpdate" | ||
14 | exit 1 | ||
15 | else | ||
16 | exit 0 | ||
17 | fi | ||
18 | fi | ||
19 | |||
20 | # This is a heuristic: The idea is that if a static interface is brought | ||
21 | # up, that is a major event, and we can put in some extra effort to fix | ||
22 | # the system time. Feel free to change this, especially if you regularly | ||
23 | # bring up new network interfaces. | ||
24 | if [ "$METHOD" = static ]; then | ||
25 | OPTS="-b" | ||
26 | fi | ||
27 | |||
28 | if [ "$METHOD" = loopback ]; then | ||
29 | exit 0 | ||
30 | fi | ||
31 | |||
32 | ( | ||
33 | |||
34 | LOCKFILE=/var/lock/ntpdate | ||
35 | |||
36 | # Avoid running more than one at a time | ||
37 | if [ -x /usr/bin/lockfile-create ]; then | ||
38 | lockfile-create $LOCKFILE | ||
39 | lockfile-touch $LOCKFILE & | ||
40 | LOCKTOUCHPID="$!" | ||
41 | fi | ||
42 | |||
43 | if /usr/bin/ntpdate -s $OPTS $NTPSERVERS 2>/dev/null; then | ||
44 | if [ "$UPDATE_HWCLOCK" = "yes" ]; then | ||
45 | hwclock --systohc || : | ||
46 | fi | ||
47 | fi | ||
48 | |||
49 | if [ -x /usr/bin/lockfile-create ] ; then | ||
50 | kill $LOCKTOUCHPID | ||
51 | lockfile-remove $LOCKFILE | ||
52 | fi | ||
53 | |||
54 | ) & | ||