Xref: utzoo comp.unix.questions:15359 comp.unix.wizards:17471
Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!cs.utexas.edu!uunet!auspex!guy
From: guy@auspex.auspex.com (Guy Harris)
Newsgroups: comp.unix.questions,comp.unix.wizards
Subject: Re: How to do TIOCNOTTY on System V
Message-ID: <2321@auspex.auspex.com>
Date: 2 Aug 89 18:31:39 GMT
References: <2323@ccncsu.ColoState.EDU>
Reply-To: guy@auspex.auspex.com (Guy Harris)
Organization: Auspex Systems, Santa Clara
Lines: 6

>Anybody know how to do the System V equivalent of TIOCNOTTY?
>That is, to disassociate the terminal from the running process.

Call "setpgrp()", which takes no arguments.  It will dissociate the
terminal, although it sets the process group ID to the process ID of the
process executing it, rather than to 0 as TIOCNOTTY does.