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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: "Landau, Bracha" <BLandau@domain.hid>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai-help] xenomai user app working very slowly - "select" issue
Date: Thu, 21 Jan 2010 17:32:43 +0100	[thread overview]
Message-ID: <4B5881AB.4080102@domain.hid> (raw)
In-Reply-To: <065A7D06F7D4E546A18E80E08D066E18146A3CE4CA@ILMA1.IL.NDS.COM>

Landau, Bracha wrote:
> You say "There is not much point using several thread to select on the same file descriptor. The point of select is rather the reverse: being able to wait for several file descriptors with only one thread"
> I rely on this in my design. Are you saying that Xenomai does not support having a few threads wait on the same file descriptor?

No, I say this is braindamaged design, because you will get lots of
spurious wakeups. But it should work.

-- 
Gilles Chanteperdrix, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com


  reply	other threads:[~2010-01-21 16:32 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-11 17:36 [Xenomai-help] xenomai user app working very slowly Landau, Bracha
2010-01-11 17:53 ` Gilles Chanteperdrix
     [not found] ` <4B4B64AF.3040704@domain.hid>
2010-01-12 11:32   ` Landau, Bracha
2010-01-12 11:36     ` Gilles Chanteperdrix
2010-01-14 13:53       ` [Xenomai-help] xenomai user app working very slowly - "select" issue Landau, Bracha
2010-01-14 14:49         ` Gilles Chanteperdrix
2010-01-21 16:29           ` Landau, Bracha
2010-01-21 16:32             ` Gilles Chanteperdrix [this message]
2010-01-21 16:41               ` Gilles Chanteperdrix
2010-01-21 16:45                 ` Landau, Bracha
2010-01-21 16:49                   ` Gilles Chanteperdrix
2010-01-21 17:11                   ` Philippe Gerum

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