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From: tim@ism780c.UUCP
Newsgroups: comp.emacs,comp.unix.questions,comp.unix.wizards
Subject: Re: faster way to "ps lct" (bsd4.x) from C?
Message-ID: <5996@ism780c.UUCP>
Date: Fri, 17-Apr-87 21:01:33 EST
Article-I.D.: ism780c.5996
Posted: Fri Apr 17 21:01:33 1987
Date-Received: Sun, 19-Apr-87 01:16:30 EST
References: <11634@teknowledge-vaxc.ARPA>
Reply-To: tim@ism780c.UUCP (Tim Smith)
Distribution: na
Organization: Interactive Systems Corp., Santa Monica CA
Lines: 18
Keywords: ps emacs pid ppid job control
Xref: utgpu comp.emacs:781 comp.unix.questions:1751 comp.unix.wizards:1795

In an article, Michael Khaw writes:
< So, I want to modify emacs so it checks to see if its parent process has any
< other children that are emacs and tell the user about them.
.
< The only way I've found to do the trick is to popen("/bin/ps lct", "r"), and
[ he says that this is too slow ]

How about having emacs maintain a file in /tmp for each user that
contains the pid and ppid of each running emacs? 

At startup, it could check the file, and then add an entry for itself.
When it exits, it can remove that entry..

-- 
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