From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: dietmar.schindler@domain.hid
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] message pipe message boundaries
Date: Tue, 03 May 2011 19:35:36 +0200 [thread overview]
Message-ID: <4DC03CE8.4050608@domain.hid> (raw)
In-Reply-To: <1183078C0D064042B3AD2D03E3859EF174E87B@AREXCH02.mra.roland-man.biz>
On 05/03/2011 01:27 PM, dietmar.schindler@domain.hid wrote:
>> From: xenomai-help-bounces@domain.hid
> [mailto:xenomai-help-bounces@domain.hid]
>> On Behalf Of Gilles Chanteperdrix
>> Sent: Tuesday, May 03, 2011 1:01 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.
>>>
>>
>> I think implementing the readv method is sufficient, you do not need
> to
>> implement both readv and read.
>
> I agree; since read was already implemented, I just extended it to
> support readv.
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.
--
Gilles.
next prev parent reply other threads:[~2011-05-03 17:35 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 [this message]
2011-05-04 6:36 ` dietmar.schindler
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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