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Date:	Wed, 17 Oct 2001 20:53:37 +0200
From:	Corinna Vinschen <cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: another poll() patch
Message-ID:	<20011017205337.C21217@cygbert.vinschen.de>
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References:	<20011017101247 DOT A19306 AT perf DOT inria DOT fr>
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In-Reply-To:	<20011017101247.A19306@perf.inria.fr>; from Frederic.Devernay@sophia.inria.fr on Wed, Oct 17, 2001 at 10:12:47AM +0200

On Wed, Oct 17, 2001 at 10:12:47AM +0200, Frederic Devernay wrote:
> Hello,
> 
> Jason's patch
> (http://www.cygwin.com/ml/cygwin-patches/2001-q3/msg00109.html)
> had the following problems:
> - it used FD_ISSET with a fd that could possibly be completely out of
> range... Sun RPC for example uses fd=-1 in its poll() calls (which
> made my server crash when the client quits).
> - even when there's _some_ invalid fds, cygwin_select() should be
> called. But it should not be called if _all_ are invalid.
> - the return value from cygwin_select should not be modified if it's
> negative (can it be negative?).
> - In brief, it only worked if all fds were valid, or if all were
> invalid but within the valid range.

Thanks for the patch.  Since it's short enough to be treated as
"non-significant" in terms of size, I checked it in.

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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