Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/18/84; site lsuc.UUCP
Path: utzoo!lsuc!dave
From: dave@lsuc.UUCP (David Sherman)
Newsgroups: net.unix-wizards
Subject: Re: No SIGHUP on carrier loss
Message-ID: <589@lsuc.UUCP>
Date: Wed, 10-Apr-85 12:16:04 EST
Article-I.D.: lsuc.589
Posted: Wed Apr 10 12:16:04 1985
Date-Received: Wed, 10-Apr-85 13:04:54 EST
References: <135@mot.UUCP>
Reply-To: dave@lsuc.UUCP (David Sherman)
Organization: Law Society of Upper Canada, Toronto
Lines: 18
Summary: check CXR dropped by the modem

In article <135@mot.UUCP> al@mot.UUCP (Al Filipski) writes:
||
||Here's the scenario: During an interactive session over a phone
||line under UNIX, the user hangs up (in the telephone sense) the line.  
||The next person to dial in over that line (say, 10 seconds later) finds
||himself connected to the abandoned session where the first user
||left off.

You have to check that your modem is configured to drop carrier detect
(CXR) when carrier is lost. Then make sure your driver picks up
a loss of CXR and sends a hangup signal to the UNIX process.

Dave Sherman
The Law Society of Upper Canada
Toronto
-- 
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