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Date: Tue, 7 Aug 2001 12:39:05 -0400
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Signal handling in tight loops
Message-ID: <20010807123905.B28476@redhat.com>
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References: <3B6FCBC5 DOT 720C9785 AT paradise DOT net DOT nz>
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In-Reply-To: <3B6FCBC5.720C9785@paradise.net.nz>; from ejrh@paradise.net.nz on Tue, Aug 07, 2001 at 11:06:45PM +1200

On Tue, Aug 07, 2001 at 11:06:45PM +1200, Edmund Horner wrote:
>Hello again.
>
>>From my DJGPP days I remember that the alarm signal could not be raised
>in very tight loops, because signals were only checked when memory was
>accessed.  Does this apply to cygwin, by any chance?
>
>The reason I'm asking is that I have a module in my program which I
>can't completely trust, and I'd like to terminate it after 2 minutes if
>it hasn't returned by then.  I'm hoping to use alarm() for this.
>
>Feasible?

Why don't you write a simple test case?

This technique should be much more useful than inviting random opinions from
a mailing list and it should be MUCH faster.

cgf

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