From owner-freebsd-hackers@FreeBSD.ORG Thu Feb 26 05:40:47 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6F7BB16A4CE for ; Thu, 26 Feb 2004 05:40:47 -0800 (PST) Received: from srv1.cosmo-project.de (srv1.cosmo-project.de [213.83.6.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9F44643D31 for ; Thu, 26 Feb 2004 05:40:46 -0800 (PST) (envelope-from ticso@cicely12.cicely.de) Received: from cicely5.cicely.de (cicely5.cicely.de [IPv6:3ffe:400:8d0:301:200:92ff:fe9b:20e7]) (authenticated bits=0) i1QDeerQ012921 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=OK) for ; Thu, 26 Feb 2004 14:40:43 +0100 (CET) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (cicely12.cicely.de [IPv6:3ffe:400:8d0:301::12]) by cicely5.cicely.de (8.12.10/8.12.10) with ESMTP id i1QDeXuL060922 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 26 Feb 2004 14:40:33 +0100 (CET) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (localhost [127.0.0.1]) by cicely12.cicely.de (8.12.10/8.12.10) with ESMTP id i1QDeWc5002487 for ; Thu, 26 Feb 2004 14:40:32 +0100 (CET) (envelope-from ticso@cicely12.cicely.de) Received: (from ticso@localhost) by cicely12.cicely.de (8.12.10/8.12.10/Submit) id i1QDeV5Y002486 for freebsd-hackers@freebsd.org; Thu, 26 Feb 2004 14:40:31 +0100 (CET) (envelope-from ticso) Date: Thu, 26 Feb 2004 14:40:30 +0100 From: Bernd Walter To: freebsd-hackers@freebsd.org Message-ID: <20040226134029.GS44313@cicely12.cicely.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Operating-System: FreeBSD cicely12.cicely.de 5.2-CURRENT alpha User-Agent: Mutt/1.5.4i X-Spam-Status: No, hits=-4.9 required=3.0 tests=BAYES_00 autolearn=ham version=2.61 X-Spam-Report: * -4.9 BAYES_00 BODY: Bayesian spam probability is 0 to 1% * [score: 0.0000] X-Spam-Checker-Version: SpamAssassin 2.61 (1.212.2.1-2003-12-09-exp) on cicely5.cicely.de Subject: kernel level tty question X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: ticso@cicely.de List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Feb 2004 13:40:47 -0000 I noticed with a self build serial driver that I'm not allowed to put data into a tty that is not opened. I had to learn this the hard way and would like to know if there are other points that I'm not aware of. Is there any good documentation about kernel tty programming available? -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de