From: <dietmar.schindler@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] message pipe message boundaries
Date: Wed, 4 May 2011 08:36:30 +0200 [thread overview]
Message-ID: <1183078C0D064042B3AD2D03E3859EF174E92F@AREXCH02.mra.roland-man.biz> (raw)
In-Reply-To: <4DC03CE8.4050608@domain.hid>
> From: Gilles Chanteperdrix [mailto:gilles.chanteperdrix@xenomai.org]
> Sent: Tuesday, May 03, 2011 7:36 PM
> ...
> >> On 05/03/2011 10:15 AM, dietmar.schindler@domain.hid wrote:
> >>> ...
> >>> We at manroland now use (with Xenomai 2.4) the attached patch, which
> >>> implements the readv file operation in the rtpipe driver so that the
> >>> assertion "One read() per rt_pipe_write()" (message boundaries
> >>> preserved) covers readv(2) also.
> ...
> Unfortunately, the patch as is is a bit hard to read. IMO, only
> implementing readv will result in a more straight-forward implementation
> which we could merge.
I understand. If you prefer, I can provide a patch which multiplies out the functions to a separate readv, though this will result in code duplication of the whole read function. Alternatively, I could comment the changes so that they are easier to read.
Please let me know which flavour you favour.
--
Dietmar
--------------------------------------------------------
manroland AG
Vorsitzender des Aufsichtsrates: Hanno C. Fiedler
Vorstand: Gerd Finkbeiner (Vorsitzender), Dr. Ingo Koch, Dr. Markus Rall, Paul Steidle
Sitz der Gesellschaft: Offenbach am Main, Registergericht: Amtsgericht Offenbach HRB-Nr. 42592
USt-Ident-Nr. DE 250200933
next prev parent reply other threads:[~2011-05-04 6:36 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-26 9:48 [Xenomai-help] message pipe message boundaries dietmar.schindler
2011-04-26 20:27 ` Philippe Gerum
2011-04-27 8:50 ` dietmar.schindler
2011-04-27 12:22 ` dietmar.schindler
2011-04-27 21:42 ` Philippe Gerum
2011-04-29 6:30 ` dietmar.schindler
2011-05-03 8:15 ` dietmar.schindler
2011-05-03 11:00 ` Gilles Chanteperdrix
2011-05-03 11:27 ` dietmar.schindler
2011-05-03 17:35 ` Gilles Chanteperdrix
2011-05-04 6:36 ` dietmar.schindler [this message]
2011-05-04 6:40 ` Gilles Chanteperdrix
2011-05-04 14:34 ` dietmar.schindler
2011-05-05 8:14 ` Gilles Chanteperdrix
2011-05-09 7:36 ` dietmar.schindler
2011-05-11 9:12 ` Gilles Chanteperdrix
2011-05-11 9:20 ` Philippe Gerum
2011-05-11 10:48 ` dietmar.schindler
2011-05-11 10:55 ` Gilles Chanteperdrix
2011-05-11 11:02 ` Philippe Gerum
2011-05-19 13:09 ` dietmar.schindler
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