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Date: Wed, 08 Aug 2001 13:57:03 -0400
To: ejrh AT paradise DOT net DOT nz, cygwin AT cygwin DOT com
From: "David A. Cobb" <superbiskit AT home DOT com>
Subject: Re: Signal handling in tight loops
In-Reply-To: <20010808002825.36F611F9CF8@deborah.paradise.net.nz>
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At 8/7/01 08:28 PM (Tuesday), ejrh AT paradise DOT net DOT nz wrote:
> > Wow.  You haven't been home for 24 hours?  I hope you're getting
> > overtime.
>
>I was at home when I sent the question (some time around midnight, I
>think), but it was here at work that I got your response.
>
>No matter.  Assuming that SIGALRM can't be raised inside loops of the
>form,
>
>L1: jmp L1

!! I hope that's a joke !!
I haven't tried it on intel architecture, but on many processors there 
would never be another read-next-instruction cycle, never another 
interrupt, nothing at all until you pulled the plug.  Anyway, it isn't a 
Cygwin issue - it's in the processor wiring/microcode.


>what do you say to the idea of parsing the .s files for this sort of
>pattern, and dealing with it there?
>
>
>
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David A. Cobb, Software Engineer, Public Access Advocate, All around nice guy.
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