Re: [Chicken-users] Signal woes.

[Robin Lee Powell]

On Fri, Jul 20, 2007 at 06:54:29PM -0700, Robin Lee Powell wrote:
> 2.  A grotesque hack using foreign code and setitimer and such.
> You can find this hack at http://paste.lisp.org/display/44881.
> The problem here is that if the interrupt kicks off when the
> program is busy, the whole program hangs with 100% CPU usage.  I
> suspect, but cannot confirm, that this only happens when the code
> is in one of the C libraries at the time.  Wrapping busy bits of
> the code in (set-signal-handler! signal/alrm #f) /
> (set-signal-handler! signal/alrm actual-call) seems to "solve" the
> problem, but that's an unfortunate solution at best.

It's worth noting that the hack of "turn of signals whenever you're
processing actual user input" seems to be working OK for the time
being.

-Robin

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