[PATCH] Extend wl_surface protocol [reminder]

[Axel Davy]

Thanks for this.

I've just realized that using 32 bits ints won't be sufficient.

Is there a way in the protocol to have requests with 64 bits int args, 
and callback with 64 bits int args too?

Axel Davy

Jiergir Ogoerg wrote :
> Just a reminder on how clocks differ (on LInux) from one another, 
> taken from here:
> http://www.spinics.net/lists/linux-man/msg00973.html
> Needless to say, gettimeofday() should be avoided.
>
> CLOCK_REALTIME
> - can jump
> - can slew
> - if ntp is running this clock is always kept close to GMT. even if 
> hardware is not 100% correct, ntp will correct everything over time.
>
> CLOCK_MONOTONIC
> - cannot jump
> - can slew !!! (because of ntp)
> - it is not kept in sync with GMT. but the "speed" of seconds is kept 
> in sync with GMT by varying it constantly by ntp.
>
> CLOCK_MONOTONIC_RAW
> - cannot jump
> - cannot slew !
> - the speed of seconds is not the same as the speed of GMT seconds 
> since the hardware timer is never 100% exact and ntp daemon does NOT 
> have influence here
>
>
>
> --------------------
> /**
> *Just one question. Which clock is being used. Ideally a monotony one, or
> *even better, a configurable one. We would normally not want these
> *timestamps affected by the user changing the system time.
> **/
>
>
> _______________________________________________
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> wayland-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/wayland-devel

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