var_service/ntpd/ntp.script

#!/bin/sh

# Note that there is no provision to prevent several copies of the script
# to be run in quick succession. In fact, it happens rather often
# if initial syncronization results in a step.
# You will see "step" and then "stratum" script runs, sometimes
# as close as only 0.002 seconds apart.
#
# Script should be ready to deal with this.

dt=`date '+%Y-%m-%d %H:%M:%S'`

if test x"$stratum" != x"" \
&& test x"$poll_interval" != x"" \
&& test 4 -ge "$stratum" \
&& test 128 -le "$poll_interval" \
; then
	echo "`tail -n 199 -- "$0.log" 2>/dev/null`" >"$0.log.$$"
	echo "$dt: $1"\
		"freq_drift_ppm=$freq_drift_ppm"\
		"offset=$offset"\
		"stratum=$stratum"\
		"poll_interval=$poll_interval,"\
		"setting hardware clock"\
		>>"$0.log.$$"
	mv -- "$0.log.$$" "$0.log"
	exec hwclock --systohc
fi

echo "`tail -n 199 -- "$0.log" 2>/dev/null`" >"$0.log.$$"
echo "$dt: $1"\
	"freq_drift_ppm=$freq_drift_ppm"\
	"offset=$offset"\
	"stratum=$stratum"\
	"poll_interval=$poll_interval"\
	>>"$0.log.$$"
mv -- "$0.log.$$" "$0.log"
1	#!/bin/sh
2
3	# Note that there is no provision to prevent several copies of the script
4	# to be run in quick succession. In fact, it happens rather often
5	# if initial syncronization results in a step.
6	# You will see "step" and then "stratum" script runs, sometimes
7	# as close as only 0.002 seconds apart.
8	#
9	# Script should be ready to deal with this.
10
11	dt=`date '+%Y-%m-%d %H:%M:%S'`
12
13	if test x"$stratum" != x"" \
14	&& test x"$poll_interval" != x"" \
15	&& test 4 -ge "$stratum" \
16	&& test 128 -le "$poll_interval" \
17	; then
18	echo "`tail -n 199 -- "$0.log" 2>/dev/null`" >"$0.log.$$"
19	echo "$dt: $1"\
20	"freq_drift_ppm=$freq_drift_ppm"\
21	"offset=$offset"\
22	"stratum=$stratum"\
23	"poll_interval=$poll_interval,"\
24	"setting hardware clock"\
25	>>"$0.log.$$"
26	mv -- "$0.log.$$" "$0.log"
27	exec hwclock --systohc
28	fi
29
30	echo "`tail -n 199 -- "$0.log" 2>/dev/null`" >"$0.log.$$"
31	echo "$dt: $1"\
32	"freq_drift_ppm=$freq_drift_ppm"\
33	"offset=$offset"\
34	"stratum=$stratum"\
35	"poll_interval=$poll_interval"\
36	>>"$0.log.$$"
37	mv -- "$0.log.$$" "$0.log"