[Mono-dev] Timers using Linux monotonic clock not system time

[Rodrigo Kumpera]

Yes, we'd consider such patches.

On Tue, Aug 16, 2016 at 12:06 AM, Craig McQueen <
craig.mcqueen at innerrange.com> wrote:

> I wrote:
> >
> > On an embedded Linux project, we found that Mono timers are disrupted by
> > a system time change. If system time is set forwards, then timers fire
> too
> > early. If system time is set backwards, then timers don't fire when they
> > should. We found this is known bug #3025.
> > https://bugzilla.xamarin.com/show_bug.cgi?id=3025
> >
> > So we're using the patch from that bug. But, can this patch please go
> into the
> > main code? This bug seems to be a serious one as far as potential failure
> > modes (yet hard to catch in testing because it is a corner-case), so an
> > important one to fix.
>
> I need to upgrade to Mono 4.4.0 to fix another issue I reported (SMTP with
> SSL/TLS and intermediate certificates). I see that Mono 4.4.0 is
> susceptible to timers failing when system time changes. But the patch I was
> using for Mono 4.2.1 doesn't apply for Mono 4.4.0. So I'll have to rework
> the patch.
>
> I can provide an updated patch when I've figured it out. Would a patch be
> likely to be accepted for the mainline Mono code?
>
> --
> Craig McQueen
>
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