telnet and SIGHUP (was Re: Idle Users)

[Kenneth Brody]

Bob Rasmussen wrote:
> 
> On Thu, 17 Jun 2004, Kenneth Brody wrote:
> 
> > Well, I've seen cases where people claim they've been having problems
> > caused by people clicking "x" instead of exiting, and I have seen that
> > the telnet session is still alive.  (A "who" still shows it logged in,
> > and "ps" shows everything still running.)  Now, if these were actually
> > leftovers from "x"ing out, or caused by a connection reset instead, I
> > can't say.  But, I have seen it often enough that I find it hard to
> > believe that they're all connection resets.  (They always claim that
> > users are "x"ing out, not that they are mysteriously disconnected.
> > Now, back in dialup days, dropped connections were more prevalent.)
> 
> Could these be caused by trapped SIGHUPs?

AFAICT, no SIGHUPs were ever sent.  I have verified this by killing the
running processes with a SIGHUP to clean up the session.

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| Kenneth J. Brody        | www.hvcomputer.com |                             |
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