[fpc-devel] Problem with Now() and time changed by ntpd

[Mark Morgan Lloyd]

Felipe Monteiro de Carvalho wrote:
> One more idea: Do we already have something like NowUTC ? Just like
> Now, but in UTC.
> 
> Maybe that would be something interresting to add. Programs that want
> to measure time differences could use it instead of hacking Now.
> NowUTC seams to be much more appropriate for time differences then
> Now, and it would be extremely fast everywhere.

Agreed. Basically, the idea of "time" that underpins timers, which 
should fire correctly irrespective of any DST transitions.

But even in this case, what should happen if the user (or NTP) 
explicitly changes the system clock? Ultimately, what matters for 
relative timing is ticks-since-boot.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]