Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!bloom-beacon!husc6!cmcl2!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn )
Newsgroups: comp.unix.questions
Subject: Re: Proper exit handling
Message-ID: <9934@smoke.BRL.MIL>
Date: 27 Mar 89 14:23:04 GMT
References: <18832@adm.BRL.MIL>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 9

In article <18832@adm.BRL.MIL> Kemp@DOCKMASTER.NCSC.MIL writes:
>   Does anyone know of a bulletproof method of installing an exit
>handling routine that is guaranteed to be called when a process
>terminates?

Try running the "real" process as the child of another "monitor"
process.  The monitor would, of course, save the initial terminal
state, fork/exec the child, wait for the child to terminate, then
reset the terminal state and finally report the child exit status.