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000229_news@newsmaster….columbia.edu _Thu May 22 18:39:14 1997.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: C-Kermit hangup problem
Date: 22 May 1997 22:39:12 GMT
Organization: Columbia University
Lines: 49
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In article <5m2fdm$t7g$1@ralph.vnet.net>, spanosa <spanosa@vnet.net> wrote:
:
: I'm running C-Kermit 6.0.192 for Linux (Version 2.0.29 running
: on a Pentium box) and have a problem getting it to hangup. I've
: written a script to download some binary files on a BBS. The
: script works fine up to the point when it says "quit" or
: "exit" at which point Kermit responds:
:
: A serial connection might still be active on /dev/modem.
: OK to exit?
:
The message means that a serial connection might still be active on
/dev/modem. In other words, at the point where your "quit" command is
executed, the modem is still presenting the carrier signal. Kermit is
being nice and warning you about this, since most people don't exit from
a communications program while the connection is still open.
: Kermit will not shut down until I have hit "y." I've tried
: sending "+++ath" instead of "hangup" and everything else I
: can think of.
:
: I need to run this script on a cron process so as to
: automatically update a web page. Obviously being forced to
: interact with the modem is of no value.
:
: I would be most grateful for any advice.
:
You can fix the underlying problem or you can fix the symptom.
The methods are described in detail in the manual, "Using C-Kermit".
If your script is logging out from the remote system, this should
cause the remote system to hang up its end of the phone call, which
stops the carrier signal, and this in turn should cause your modem to
turn off its CD signal, which in turn should prevent the message.
Check your modem's configuration -- do you have it forcing CD up all
the time, rather than following carrier, as it should? If so,
change the modem's configuration; for example, add "&C1" to its init
string, e.g.
set modem command init \freplace(\v(m_init),AT,AT&C1)
(In the UNIX versions of C-Kermit we don't mess with &Cn, &Sn, &Dn,
etc, because this rubs too many sysadmins the wrong way.) Or just
change it in your modem and save the configuration.
If you really want to log out and exit while the connection is still
open, then, as explained on pages 464-465, use "set exit warning off".
- Frank