From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759782AbYD2SJW (ORCPT ); Tue, 29 Apr 2008 14:09:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752017AbYD2SJO (ORCPT ); Tue, 29 Apr 2008 14:09:14 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:39375 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751359AbYD2SJN (ORCPT ); Tue, 29 Apr 2008 14:09:13 -0400 Date: Tue, 29 Apr 2008 19:01:40 +0100 From: Alan Cox To: sander@van-ginkel.eu Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] ptmx: adding handshake support Message-ID: <20080429190140.1dc68904@core> In-Reply-To: <4803C0F9.9010004@van-ginkel.eu> References: <20080311212830.5f4apfr4uqs884cc@62.129.139.44> <20080330140948.0cqmtqb9us880cw8@62.129.139.44> <20080330131652.7073589c@core> <480229CB.2080108@van-ginkel.eu> <20080413233503.22576c47@core> <4803C0F9.9010004@van-ginkel.eu> X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 14 Apr 2008 22:39:21 +0200 sander van ginkel wrote: > Corrected the last issues > > Signed-off-by: Sander van Ginkel NAK Having played with this (and fixed up further issues) it simply doesn't work in the real world. pty/tty pairs are always 8bit, don't support CREAD and can't pass break signals, emulate multiple flow control types or parity. A virtual serial device is still a good idea, but a quick hack on pty devices doesn't actually work - the problem is far more complicated. Alan