From: Philippe Gerum <rpm@xenomai.org>
To: dietmar.schindler@domain.hid
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] message pipe message boundaries
Date: Tue, 26 Apr 2011 22:27:32 +0200 [thread overview]
Message-ID: <1303849652.1961.7.camel@domain.hid> (raw)
In-Reply-To: <1183078C0D064042B3AD2D03E3859EF174E31A@AREXCH02.mra.roland-man.biz>
On Tue, 2011-04-26 at 11:48 +0200, dietmar.schindler@domain.hid
wrote:
> The documentation of rt_pipe_write() says: "rt_pipe_write() always
> preserves message boundaries, which means that all data sent through a
> single call of this service will be gathered in a single read(2)
> operation from the special device." Is this supposed to mean also that
> data sent through two calls of this service will be gathered in two
> read(2) operations, or would it be conforming that data sent through two
> calls of this service will be gathered in a single read(2) operation?
One read() per rt_pipe_write() operation, always.
>
> --------------------------------------------------------
> 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
>
> _______________________________________________
> Xenomai-help mailing list
> Xenomai-help@domain.hid
> https://mail.gna.org/listinfo/xenomai-help
--
Philippe.
next prev parent reply other threads:[~2011-04-26 20:27 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 [this message]
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
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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