Horton

Re: kill -KILL: What happens?

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Florian Pflug <fgp@phlo.org>, David Fetter <david@fetter.org>, PG Hackers <pgsql-hackers@postgresql.org>
Date: 2011-01-13T19:36:10Z
Lists: pgsql-hackers 
On Thu, Jan 13, 2011 at 2:16 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Frankly I'd prefer to get rid of PostmasterIsAlive, not extend its use.
> It sucks because you don't get a signal on parent death.  With the
> arrival of the latch code, having to check for PostmasterIsAlive
> frequently is the only reason for an idle background process to consume
> CPU at all.

What we really need is SIGPARENT.  I wonder if the Linux folks would
consider adding such a thing.  Might be useful to others as well.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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