Messages in this thread | | | Date | Tue, 12 Oct 2004 18:34:59 -0600 | From | Chris Friesen <> | Subject | Re: question about linux time change |
| |
George Anzinger wrote: > Chris Friesen wrote: > >> >> I have been asked to add the ability to notify userspace when the time >> of day changes. The actual notification is the easy part. I'm having >> issues with where exactly the time is really changed. > > > Just what sort of time changes do you want to notify on? The ntp code > "drifts" time a lot. Do you want to know about this? If it is only > cases where there is a jump in time, you might do well to look at > "clock_was_set()". It is in kernel/posix-timers.c and is called when > ever do_settimeofday() is called AND on leap second calls. > > You will even find code in there to push the ladder out of the softirq > context.
Cool. Will do.
Chris - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |