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Re: Backwards typing under load
I've seen the same problem with MSK's ksh, under heavy loads. I'm not sure,
but I think it was under CPU loading, not necessarily interrupt loading.
I would n't be surprised if the COMMAND.COM (or whatever) keyboard interrupt
handler actually builds a stack of pending reads from some sort of fifo, and
pushes them into the event queue reversed when they pop off the stack.
On Sun, Apr 22, 2001 at 10:32:34PM -0400, Christopher Faylor wrote:
> On Sun, Apr 22, 2001 at 06:49:28PM -0700, Brion Vibber wrote:
> >I've noticed that when my system (Windows 98 SE, Cygwin 1.1.8) comes
> >under sudden, heavy load (especially heavy disk i/o), some keyboard
> >input in my cygiwn shell comes out backwards!
> I've just tried this on my laptop. I started The Byrds "Turn Turn Turn"
> going and did two simultaneous searches for nonexistent files.
> It took several seconds for my bash window to even grab focus. The echoing
> was pretty slow, but it was always in the correct order.
> So, I can't duplicate this. I've looked at the typeahead code in cygwin.
> There used to be a bug like this in older versions of the DLL but I don't
> see anything similar there now.
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