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Date: Mon, 13 Sep 2010 11:07:26 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] rt_queue_read and EPERM?
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To: =?UTF-8?B?SmVucyBLw7ZobGVy?= <jenskxxx@domain.hid>
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Jens K=C3=B6hler wrote:
> Hello
>=20
> I am try to use a RT_QUEUE. I am writing messages with rt_queue_write t=
o
> the queue. But when function rt_queue_read is called result is always  =
"-1".
> =20
> "-1" means EPERM. What means exactly: "EEPERM is returned if this
> service should block"? I don't understand why a function should block t=
o
> get a message from a queue!?

A piece of code is worth a thousand words. Please send us a piece of
code showing the behaviour you find suspicious.

--=20
					    Gilles.