No SIGHUP on carrier loss

[David Sherman]

In article <135 at mot.UUCP> al at 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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