From: John Carter <john.carter@...>
Date: 2007-03-16T09:24:31+09:00
Subject: Re: Why does popen3 fork a grandchild?

On Fri, 16 Mar 2007, Clifford Heath wrote:

> It orphans the child process, so its parent doesn't need to clean
> it up when it dies. Instead, the process is adopted by "init",
> which is process-id 1, which takes responsibility for the cadaver.

Thanks for the substantive reply, saves me the bother of doing a
poorer one...

> All this was thoroughly examined by Dave Lennert in his classic
> 1987 posting entitled "How to write a Unix Daemon" to the HP
> internal newsgroup "hp.unix", which I archived and still have.
> The paper was also published in ";login:", Volume 12 No 4,
> July/August 1987. The paper seems rather hard to find online now.

Can you post a link, or email me a copy?

Thanks


John Carter                             Phone : (64)(3) 358 6639
Tait Electronics                        Fax   : (64)(3) 359 4632
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