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From: Tom Lane <[email protected]>
To: Andreas Pflug <[email protected]>
Cc: Bruce Momjian <[email protected]>
Cc: [email protected]
Subject: Re: NuSphere and PostgreSQL for windows
Date: Thu, 25 Sep 2003 10:07:39 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<1064492591.25702.2084.camel@camel>
	<[email protected]>
	<[email protected]>

Andreas Pflug <[email protected]> writes:
> Tom Lane wrote:
>> BTW, I've been wondering lately if we'd not be better off to look at
>> using threading in the Windows port, if it'd help us get around the
>> fork/exec data transfer problem.

> When talking about threading in pgsql to Bruce on Linuxtag, he stated 
> that the main problem would be the tons of global variables used 
> throughout the backend.

Yeah, it would reverse the problem from "how to share data" to "how not
to share data".  We'd want to find a way to ensure that the bulk of the
static data becomes per-thread data (or, in some cases, add a mutex so
that multiple threads can safely share one copy).  It won't be a trivial
bit of work, but conceivably it could be less messy than trying to store
and reload many of those same variables.

			regards, tom lane

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