Re: [PATCH] [RFC] notify userspace about time changes

From: john stultz
Date: Thu Aug 05 2010 - 18:31:45 EST


On Thu, 2010-08-05 at 15:29 -0700, john stultz wrote:
> On Fri, 2010-08-06 at 00:17 +0200, Kay Sievers wrote:
> > On Thu, Aug 5, 2010 at 23:11, john stultz <johnstul@xxxxxxxxxx> wrote:
> > > On Thu, 2010-08-05 at 15:33 +0300, Alexander Shishkin wrote:
> > >> On 4 August 2010 18:58, john stultz <johnstul@xxxxxxxxxx> wrote:
> > >> > Is there a actual use case that you need this for? I don't really have
> > >> > an issue with the code I just really want to make sure the feature would
> > >> > be useful enough to justify the API and code maintenance going forward.
> >
> > Basically everything that schedules an action based on an absolute
> > time specification, like at 3pm today, and not in 3 hours from now,
> > needs to track such system time changes. Otherwise it has to do
> > nonsense like cron does, to wake up every minute to check the current
> > time.
>
> time_create(CLOCK_REALTIME,...) creates absolute (not relative) timers

Sorry, *timer_create*.

thanks
-john


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