From owner-freebsd-questions Mon Jul 8 16:17:48 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id QAA17110 for questions-outgoing; Mon, 8 Jul 1996 16:17:48 -0700 (PDT) Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.211]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id QAA17102 for ; Mon, 8 Jul 1996 16:17:44 -0700 (PDT) Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id QAA22889; Mon, 8 Jul 1996 16:13:38 -0700 From: Terry Lambert Message-Id: <199607082313.QAA22889@phaeton.artisoft.com> Subject: Re: FreeBSD 2.1 Help To: grog@lemis.de (Greg Lehey) Date: Mon, 8 Jul 1996 16:13:38 -0700 (MST) Cc: tcg@ime.net, questions@freebsd.org In-Reply-To: <199607071622.SAA16843@allegro.lemis.de> from "Greg Lehey" at Jul 7, 96 06:22:10 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > In stty, on is shown as clocal, and off is shown as -clocal. The > modem control line to which it refers is DCD (Data Carrier Detect), > which only comes on when you have established a connection. In the > olden days, before modems had autodial capability, this was > appropriate, but now it's a pain. CLOCAL means "hang pending off->on DCD transition from the DCE". CLOCAL is supposed to be set/unset based on the use of the O_NDELAY or non-use of O_NDELAY as an open flag. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.