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To: Simon Riggs <simon@2ndquadrant.com>
Cc: Alvaro Herrera <alvherre@dcc.uchile.cl>,
	HISADAMasaki <hisada.masaki@lab.ntt.co.jp>, pgsql-hackers@postgresql.org
Subject: Re: Point in Time Recovery 
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Comments: In-reply-to Simon Riggs <simon@2ndquadrant.com>
	message dated "Fri, 16 Jul 2004 00:51:53 +0100"
Date: Thu, 15 Jul 2004 23:49:04 -0400
Message-ID: <15402.1089949744@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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Simon Riggs <simon@2ndquadrant.com> writes:
> On Fri, 2004-07-16 at 00:01, Alvaro Herrera wrote:
>> My manpage for signal(2) says that you shouldn't assign SIG_IGN to
>> SIGCHLD, according to POSIX.

> So - I should be setting this to SIG_DFL and thats good for everyone?

Yeah, we learned the same lesson in the backend not too many releases
back.  SIG_IGN'ing SIGCHLD is bad voodoo; it'll work on some platforms
but not others.

You could do worse than to look at the existing handling of signals in
the postmaster and its children; that code has been beat on pretty
heavily ...

			regards, tom lane