Andriy Gapon <a...@icyb.net.ua> writes: > Dag-Erling Smørgrav <d...@des.no> writes: > > Andriy Gapon <a...@icyb.net.ua> writes: > > > Also, I am aware that the period should be configurable (sysctl). > > Why? > Because there would always be someone who would want a different value :) > > Although I can see an argument for a sysctl to turn it on or off. > Good idea.
You can combine the two - P == 0 means "don't save", P > 0 means "save every P minutes". > > IIRC, Linux saves the clock at shutdown, and every 11 minutes if and > > only if the system clock is synchronized to an external reference. > Both are good ideas too. > I know how to add a shutdown hook (event handler), but I don't know how to > check > if time synchronization is taking place. adjtime() / adjtimex() sets a flag. I'm not sure if (or how) the flag is cleared when synchronization stops (i.e. /etc/rc.d/ntpd stop); perhaps the simplest solution is to set a T = monotime() every time adjtime() is called, and check that monotime() - (T * 60) < (P * 60). DES -- Dag-Erling Smørgrav - d...@des.no _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
