From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Matwey V. Kornilov" Subject: Re: tty loop-back device Date: Sun, 29 Sep 2013 00:41:04 +0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1251; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from plane.gmane.org ([80.91.229.3]:43104 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754733Ab3I1UlP (ORCPT ); Sat, 28 Sep 2013 16:41:15 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1VQ1KE-0006EO-SH for linux-serial@vger.kernel.org; Sat, 28 Sep 2013 22:41:14 +0200 Received: from 92.243.181.209 ([92.243.181.209]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 28 Sep 2013 22:41:14 +0200 Received: from matwey.kornilov by 92.243.181.209 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 28 Sep 2013 22:41:14 +0200 In-Reply-To: Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: linux-serial@vger.kernel.org 28.09.2013 21:21, Matwey V. Kornilov =EF=E8=F8=E5=F2: > It seems that BSD and Unix98 pty's may coexist in pty.c. So, there is= a > chance that it is possible to add support of Extended pty not breakin= g > existing things. One need to be a brave to change something in pty.c,= It > is quite critical part. It seems that we need new line discipline to allow async notification o= f=20 master tty when the client changes tty->termios. poll() has to be=20 reimplemented to generate POLLPRI, when tty->termios handling required=20 on the master side, then master may use special ioctl to read=20 tty->termios requested. -- To unsubscribe from this list: send the line "unsubscribe linux-serial"= in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html