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Date: Fri, 24 Oct 2003 10:25:55 -0500 (CDT)
From: Brian Ford <ford AT vss DOT fsi DOT com>
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To: Martin Farnik <martin DOT farnik AT email DOT cz>
cc: cygwin AT cygwin DOT com
Subject: Re: tcsetattr ()
In-Reply-To: <20031024154420.38221b39.martin.farnik@email.cz>
Message-ID: <Pine.GSO.4.56.0310241020350.823@eos>
References: <20031024154420 DOT 38221b39 DOT martin DOT farnik AT email DOT cz>
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On Fri, 24 Oct 2003, Martin Farnik wrote:

> Brian Ford wrote:
> >Incidentally, I am working on a trivial cleanup patch to fix:
> >
> >http://www.cygwin.com/ml/cygwin/2003-10/msg00708.html
> >
> >I just haven't had time to test it thoroughly yet.  I have no idea about
> >this person's second "random hang" problem.  It wasn't very eloquently
> >described.
>
> It is a good news that you are working on patch to fix it.
> It is very easy to test it.
>
Want to test it for me?

Do you know how to compile and test the cygwin1.dll if I send you the
patch, or would you prefer a binary?

Can you test it on multiple OSes?

> I try to connect 2 PC thru serial line and run on first PC program that
> permanently send data thru serial line to second PC.. When I try to
> call function tcflush at Windows98 on second PC program hangs.
>
Sure.  I understand the problem.  It just takes a good deal of effort to
get a setup like this if you don't already have one.

> I think that this random hangs problem is closely connected to problem
> above (with full serial buffer).
>
I haven't seen anything like this myself, but the devices I talk to don't
just stream continually that often.

-- 
Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
Phone: 314-551-8460
Fax:   314-551-8444

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