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From: hwe@lanl.ARPA (Skip Egdorf)
Newsgroups: net.bugs.4bsd
Subject: Re: Kill(2) Man page bug?  Vax and Sun
Message-ID: <1071@lanl.ARPA>
Date: Fri, 28-Mar-86 11:25:24 EST
Article-I.D.: lanl.1071
Posted: Fri Mar 28 11:25:24 1986
Date-Received: Sun, 20-Apr-86 12:38:57 EST
References: <287@encore.UUCP>
Distribution: net
Organization: Los Alamos National Laboratory
Lines: 33

> The kill(2) man page in both 4.2bsd and Sun Release 2.0 states:
> 
> 	If the process number is 0, the signal is sent to *all other*
> 	processes in the sender's process group; this is a variant of
> 	killpg(2).  (emphasis mine)
> 
	...
> 
> I don't have my historical manuals in front of me, so I can't say when
> this language was introduced to the kill(2) man page, but it clearly
> diverges from the System V man page and the Sun and Vax
> implementations.  I always have assumed kill(0, ...) does what it does
> and am puzzled by the propagation of the wording in the man page.  Is
> it just sloppy English, or did someone actually think this was a
> useful feature and document it but never implement it?  I expect a
> number of things would break if kill actually did what I interpret the
> man page to say it does.
> 
> 			o.o	--ptw
> 			 ~

From V7 1979:

	kill(2)...

	if the process number is 0, the signal is sent to all other
	processes in the sender's process group; see tty(4).

My V6 manuals are at home, not here...
Any one have a set from PWB??

		Skip Egdorf
		egdorf@lanl.ARPA