Path: utzoo!mnetor!uunet!lll-winken!lll-lcc!ames!pasteur!agate!eos!labrea!decwrl!decvax!mandrill!hal!ncoast!allbery
From: allbery@ncoast.UUCP (Brandon Allbery)
Newsgroups: comp.unix.wizards
Subject: Re: ptrace in unix tracing non-child processes
Message-ID: <7617@ncoast.UUCP>
Date: 20 Apr 88 03:11:09 GMT
References: <352@tandem.UUCP>
Reply-To: allbery@ncoast.UUCP (Brandon Allbery)
Followup-To: comp.unix.wizards
Organization: Cleveland Public Access UN*X, Cleveland, Oh
Lines: 13

As quoted from <352@tandem.UUCP> by narayan@tandem.UUCP (Narayan Mohanram):
+---------------
| Has any one considered implementing a `xptrace ()' which can 
| debug non-child processes. This will get one the ability to
| debug processes such as daemons that are already running.
+---------------

Plexus System V and a few other System V's I've seen have ptrace() requests
8 and 9 which do this.  I'm not sure if it's a System V feature or a special
hack added by certain Unix resellers.
-- 
	      Brandon S. Allbery, moderator of comp.sources.misc
	{well!hoptoad,uunet!marque,cbosgd,sun!mandrill}!ncoast!allbery
Delphi: ALLBERY						     MCI Mail: BALLBERY