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To: "Tom Lane" <tgl@sss.pgh.pa.us>
Cc: "James Mansion" <james@mansionfamily.plus.com>,
	"Magnus Hagander" <magnus@hagander.net>,
	"Craig James" <craig_james@emolecules.com>,
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Subject: Re: libgcc double-free, backend won't die
In-Reply-To: <27316.1197828101@sss.pgh.pa.us> (Tom Lane's message of "Sun\,
	16 Dec 2007 13\:01\:41 -0500")
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From: Gregory Stark <stark@enterprisedb.com>
Organization: EnterpriseDB
Date: Sun, 16 Dec 2007 18:16:18 +0000
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"Tom Lane" <tgl@sss.pgh.pa.us> writes:

> James Mansion <james@mansionfamily.plus.com> writes:
>> Is there any particular reason not to ensure that any low-level 
>> threading support in libc is enabled right
>> from the get-go, as a build-time option?
>
> Yes.
> 1) It's of no value to us
> 2) On many platforms there is a nonzero performance penalty

And the only reason to do that would be to work around one bug in one small
range of glibc versions. If you're going to use a multi-threaded library
(which isn't very common since it's hard to do safely for all those other
reasons) surely using a version of your OS without any thread related bugs is
a better idea.


-- 
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com
  Ask me about EnterpriseDB's Slony Replication support!