From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262386AbVFIOXB (ORCPT ); Thu, 9 Jun 2005 10:23:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262385AbVFIOXB (ORCPT ); Thu, 9 Jun 2005 10:23:01 -0400 Received: from web25804.mail.ukl.yahoo.com ([217.12.10.189]:17547 "HELO web25804.mail.ukl.yahoo.com") by vger.kernel.org with SMTP id S262386AbVFIOWv (ORCPT ); Thu, 9 Jun 2005 10:22:51 -0400 Message-ID: <20050609142250.80926.qmail@web25804.mail.ukl.yahoo.com> Date: Thu, 9 Jun 2005 16:22:49 +0200 (CEST) From: moreau francis Subject: Re: [TTY] exclusive mode question To: Frederik Deweerdt Cc: Frederik Deweerdt , linux-kernel@vger.kernel.org In-Reply-To: <20050609121638.GD507@gilgamesh.home.res> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --- Frederik Deweerdt a écrit : > Le 09/06/05 13:41 +0200, moreau francis écrivit: > > > > oh ok...sorry I misunderstood TIOEXCL meaning ;) > > Do you know how I could implement such exclusive mode (the one I described) > ? > > > This is handled through lock files, google for LCK..ttyS0 > This lock mechanism is a convention but nothing prevent a user application to issue a "echo foo > /dev/ttyS0" command while "LCK..ttyS0" file exists... Francis ___________________________________________________________________________ Appel audio GRATUIT partout dans le monde avec le nouveau Yahoo! Messenger Téléchargez cette version sur http://fr.messenger.yahoo.com