From owner-freebsd-hackers@FreeBSD.ORG Tue Jan 25 06:40:31 2005 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 D108416A4CE for ; Tue, 25 Jan 2005 06:40:31 +0000 (GMT) Received: from pc5.i.0x5.de (n.0x5.de [217.197.85.142]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8A1C943D1F for ; Tue, 25 Jan 2005 06:40:30 +0000 (GMT) (envelope-from nicolas@i.0x5.de) Received: by pc5.i.0x5.de (Postfix, from userid 1003) id 8E97281C2B; Tue, 25 Jan 2005 07:40:26 +0100 (CET) Date: Tue, 25 Jan 2005 07:40:26 +0100 From: Nicolas Rachinsky To: hackers@freebsd.org Message-ID: <20050125064026.GE12520@pc5.i.0x5.de> Mail-Followup-To: hackers@freebsd.org References: <20050124083043.GA8729@kukulies.org> <20050124151612.GC628@cicely12.cicely.de> <20050124124250.A27718@pix.net> <20050124.201048.21921498.imp@bsdimp.com> <41F5BD37.8020407@errno.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <41F5BD37.8020407@errno.com> X-Powered-by: FreeBSD X-Homepage: http://www.rachinsky.de X-old-PGP-Keyid: C11ABC0E X-PGP-Keyid: A32C2932 (Communication) and F66AFAF2 (Certification) X-PGP-Fingerprint1: 97EB FA8B 4C8F A54B D89A 697E A6BC AF72 A32C 2932 (Comm.) X-PGP-Fingerprint2: 1DE8 DF23 56F0 3E14 238D 740C E598 C87E F66A FAF2 (Cert.) X-PGP-Keys: http://www.rachinsky.de/nicolas/pgp/nicolas_rachinsky.asc User-Agent: Mutt/1.5.6i Subject: Re: ttyd0/cuad0 - why is there still this duality ? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Jan 2005 06:40:31 -0000 * Sam Leffler [2005-01-24 19:29 -0800]: > M. Warner Losh wrote: > >The real reason that they are there is that ttyd waits for carrier > >detect, while cua doesn't. > > Non-blocking open followed by block on read/write and/or select dealt > with that long ago. But can you use the device for dialing out while an application is waiting in a select on it? Nicolas