On Mit, 2002-11-06 at 18:04, Keith Packard wrote:
> 
> Around 16 o'clock on Nov 6, Michel =?ISO-8859-1?Q?D=E4nzer?= wrote:
> 
> > Yes. The blocking ioctl also returns a timestamp, is that important for
> > the signal?
> 
> Might be nice; there's plenty of space.  Is it expensive to compute?

Nah, do_gettimeofday(). Currently done on ioctl exit, but would probably
better be done in the interrupt handler, assuming that's possible.


> > Oh, and BTW, is it okay for the ioctl to trigger a single signal, or
> > would it have to generate signals indefinitely?
> 
> Might want a mode that chose between these two options, but if I had to 
> pick one, I'd ask for a single signal.  That's what SYNC wants.

Very well, I'll leave it at that then.


-- 
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast


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