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From: lmcl@ukc.UUCP (L.M.McLoughlin)
Newsgroups: net.bugs.uucp
Subject: Re: Read permission on /etc/phones, really kill(pid,0) ?
Message-ID: <140@ukc.UUCP>
Date: Sun, 7-Jul-85 09:32:48 EDT
Article-I.D.: ukc.140
Posted: Sun Jul  7 09:32:48 1985
Date-Received: Tue, 9-Jul-85 06:07:12 EDT
References: <472@qantel.UUCP> <170@motel6.UUCP> <154@telesoft.UUCP> <525@down.FUN>
Reply-To: lmcl@eagle.UUCP (Lee McLoughlin)
Organization: U of Kent at Canterbury, Canterbury, UK
Lines: 5

On which versions of Unix will kill(pid,0) return a status indicating wether
the process (pid) is still running?

It doesn't on the V7 and BSD 4.1 locally.  It appears to on BSD 4.2.
What about USG unixes, Xenix and XELOS?