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From: Craig James <craig_james@emolecules.com>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: libgcc double-free, backend won't die
Date: Tue, 11 Dec 2007 07:50:17 -0800
Message-ID: <475EB1B9.3000405@emolecules.com> (raw)
In-Reply-To: <20071211152838.GH4708@alvh.no-ip.org>
References: <4728FB3E.3070709@shaw.ca>
	<472978BE.9@hagander.net>
	<4729B1E9.2080306@gmail.com>
	<475E4133.5080009@emolecules.com>
	<20071211112128.GB4708@alvh.no-ip.org>
	<475EA754.1090307@emolecules.com>
	<20071211151416.GD10710@alvh.no-ip.org>
	<475EA9FD.9000706@emolecules.com>
	<20071211152010.GE10710@alvh.no-ip.org>
	<475EAB69.9@emolecules.com>
	<20071211152838.GH4708@alvh.no-ip.org>

Alvaro Herrera wrote:
>>> ...Since you've now shown that OpenBabel is
>>> multithreaded, then that's a much more likely cause.
>> Can you elaborate?  Are multithreaded libraries not allowed to be
>> linked to Postgres?
> 
> Absolutely not.

Ok, thanks, I'll work on recompiling OpenBabel without thread support.

Since I'm not a Postgres developer, perhaps one of the maintainers could update the Postgres manual.  In chapter 32.9.6, it says,

  "To be precise, a shared library needs to be created."

This should be amended to say,

  "To be precise, a non-threaded, shared library needs to be created."

Cheers,
Craig





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