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From: Jeff Webb <jeff.webb@domain.hid>
To: Xenomai help <xenomai@xenomai.org>
Subject: Re: [Xenomai-help] read returns more bytes than requested?
Date: Thu, 14 Sep 2006 14:12:24 -0500	[thread overview]
Message-ID: <4509A998.4000102@domain.hid> (raw)
In-Reply-To: <1158239386.5040.105.camel@domain.hid>

Philippe Gerum wrote:
> On Mon, 2006-09-11 at 17:45 -0500, Jeff Webb wrote:
>> I didn't think that a read could return more bytes than was requested. 
>> Does anyone understand this behaviour?  This is code that works under RT-Linux.
>> I am trying to determine why it is working differently under xenomai.
> 
> Another round of refactoring the message pipe support. This time, it
> introduces the ability to get partial reads from the /dev/rtp* device
> endpoint, instead of requiring read() calls to collect all of the
> pending data at once. The remaining work will allow the same from the
> real-time API endpoint. This patch applies against the latest patch
> sent.

Thanks again!  The read appears to be working now, at least as far as I can tell.  I am now hunting down the source of an unrelated bug, a little further down the line.

-Jeff



      reply	other threads:[~2006-09-14 19:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-11 22:45 [Xenomai-help] read returns more bytes than requested? Jeff Webb
2006-09-12  7:18 ` Philippe Gerum
2006-09-14 13:09 ` Philippe Gerum
2006-09-14 19:12   ` Jeff Webb [this message]

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