From: Tom Lane <tgl@sss.pgh.pa.us>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: Alvaro Herrera <alvherre@dcc.uchile.cl>
Cc: HISADAMasaki <hisada.masaki@lab.ntt.co.jp>
Cc: pgsql-hackers@postgresql.org
Subject: Re: Point in Time Recovery
Date: Thu, 15 Jul 2004 23:49:04 -0400
Message-ID: <15402.1089949744@sss.pgh.pa.us> (raw)
In-Reply-To: <1089935513.17493.6923.camel@stromboli>
References: <200407132242.i6DMgg612564@candle.pha.pa.us>
<1089760416.17493.3327.camel@stromboli>
<20040715210816.E8A3.HISADA.MASAKI@lab.ntt.co.jp>
<1089931442.17493.6749.camel@stromboli>
<20040715230133.GB8005@dcc.uchile.cl>
<1089935513.17493.6923.camel@stromboli>
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
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Cc: tgl@sss.pgh.pa.us, simon@2ndquadrant.com, alvherre@dcc.uchile.cl, hisada.masaki@lab.ntt.co.jp, pgsql-hackers@postgresql.org
Subject: Re: Point in Time Recovery
In-Reply-To: <15402.1089949744@sss.pgh.pa.us>
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