Path: utzoo!utgpu!jarvis.csri.toronto.edu!torsqnt!tmsoft!list-injector
From: cks@ziebmef.mef.org (Chris Siebenmann)
Newsgroups: can.usrgroup
Subject: Re: Help with background processes
Message-ID: <8909120312.AA11333@ziebmef.mef.org>
Date: 12 Sep 89 07:12:09 GMT
Reply-To: Chris Siebenmann <cks@ziebmef.mef.org>
Distribution: ont
Lines: 11
In-reply-to: chk's message of 08 Sep 89 20:21:03 +0000.
             <2499@dciem.dciem.dnd.ca>

chk writes:
| I need a fix. I need a sure-fire way for a process to detect that the person
| who spawned it is no longer logged on on that terminal.

 If you are starting these daemons from your login shell, my favorite
method is to check for the parent process ID going to 1. This is
infallible, since it's done by the kernel only when the parent dies.
If the daemons are started at other times, I suspect they'll just have
to be hacked to watch /etc/utmp.

	- cks