From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4FE7059B.3050901@xenomai.org> Date: Sun, 24 Jun 2012 14:18:35 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <4FE6FCED.7040205@xenomai.org> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] questions about the libraries List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: ali hagigat Cc: xenomai@xenomai.org On 06/24/2012 02:11 PM, ali hagigat wrote: > Much apprecite Mr. chanteperdrix for the reply. > > I am studying the nucleus API and it says many functions can be called > from a user space task like xntimer_get_date() !! > > It means that you have not yet created any user library for it? No, the nucleus API only exists in kernel-space. However, xntimer_get_date for instance may be called when kernel-space code is run on behalf of a user-space task, this happens when this user-space task has made a system call. -- Gilles.