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Re: Win32 processCancelRequest/waitpid (was fork/exec patch

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Claudio Natoli <claudio(dot)natoli(at)memetrics(dot)com>,"'Jan Wieck '" <JanWieck(at)Yahoo(dot)com>,"'pgsql-patches(at)postgreSQL(dot)org '" <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Win32 processCancelRequest/waitpid (was fork/exec patch
Date: 2004-01-10 20:46:04
Message-ID: 200401102046.i0AKk4n05978@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-patches
Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > As I understand it, the postmaster shared memory idea is good because
> > only the postmaster writes to it, and only the backends read from it.
> > If the HANDLE works the same way, I think you should put it into the
> > shared memory too, hence (b).
> 
> But the postmaster needs to use the HANDLE, hence not (b).

That's where I was unclear.  If the postmaster has to read the HANDLE,
we are better with keeping it in local memory (a).

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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