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From: Corinna Vinschen <cygwin@cygwin.com>
To: chad fowler <chadfowler@yahoo.com>
Cc: cygwin@cygwin.com
Subject: Re: select() weirdness
Date: Thu, 15 Nov 2001 07:24:00 -0000	[thread overview]
Message-ID: <20011123140819.H14975@cygbert.vinschen.de> (raw)
In-Reply-To: <20011121130653.60456.qmail@web13906.mail.yahoo.com>; from chadfowler@yahoo.com on Wed, Nov 21, 2001 at 05:06:53AM -0800

On Wed, Nov 21, 2001 at 05:06:53AM -0800, chad fowler wrote:
> I'm a little confused about the behavior of select(). 
> It seems to behave differently in Cygwin than on other
> systems.  This is specifically regarding the exception
> fd_set when piping program output to another program. 
> Here's an example (which might have a problem or two
> but should demonstrate sufficiently):
> [...]
> Notice the "EXCEPT" lines.  AFAIK, the behavior on
> Cygwin is incorrect, though I'm *far* from being an
> expert.  

Thanks for the example!  I'm currently looking into the Cygwin
source and I have already found a small bug in the select() code
(though unrelated).  I think I have found the reason for what's
going on in your example but I'm still investigating.

Corinna

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

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WARNING: multiple messages have this Message-ID
From: Corinna Vinschen <cygwin@cygwin.com>
To: chad fowler <chadfowler@yahoo.com>
Cc: cygwin@cygwin.com
Subject: Re: select() weirdness
Date: Fri, 23 Nov 2001 05:09:00 -0000	[thread overview]
Message-ID: <20011123140819.H14975@cygbert.vinschen.de> (raw)
Message-ID: <20011123050900.8BjF2Mpf_J6_qoSW9VaFw3p1WjE4ZoC9ayNpzgs4GM0@z> (raw)
In-Reply-To: <20011121130653.60456.qmail@web13906.mail.yahoo.com>

On Wed, Nov 21, 2001 at 05:06:53AM -0800, chad fowler wrote:
> I'm a little confused about the behavior of select(). 
> It seems to behave differently in Cygwin than on other
> systems.  This is specifically regarding the exception
> fd_set when piping program output to another program. 
> Here's an example (which might have a problem or two
> but should demonstrate sufficiently):
> [...]
> Notice the "EXCEPT" lines.  AFAIK, the behavior on
> Cygwin is incorrect, though I'm *far* from being an
> expert.  

Thanks for the example!  I'm currently looking into the Cygwin
source and I have already found a small bug in the select() code
(though unrelated).  I think I have found the reason for what's
going on in your example but I'm still investigating.

Corinna

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

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Bug reporting:         http://cygwin.com/bugs.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

  reply	other threads:[~2001-11-23 13:09 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-11-14  8:28 chad fowler
2001-11-15  7:24 ` Corinna Vinschen [this message]
2001-11-15 12:15   ` chad fowler
2001-11-15 12:37     ` Christopher Faylor
2001-11-23 19:30       ` Christopher Faylor
2001-11-23 17:39     ` chad fowler
2001-11-23  5:09   ` Corinna Vinschen
2001-11-21  5:06 ` chad fowler

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