From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4C8E3203.3080005@domain.hid> Date: Mon, 13 Sep 2010 16:15:31 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <4C8DE9CE.9050900@domain.hid> <4C8E118F.7010404@domain.hid> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Xenomai-help] rt_queue_read and EPERM? List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?B?SmVucyBLw7ZobGVy?= Cc: xenomai@xenomai.org Jens K=C3=B6hler wrote: > Yes this is true. It is not a Xenomai task. The documentation is a bit misleading, I agree, the paragram about -EPERM is for kernel mode usage of rt_queue_read. In user-space mode, EPERM is returned if the calling thread is not a Xenomai thread, before even testing whether a message is available. --=20 Gilles.