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Date: Mon, 21 Dec 2009 23:00:04 +0100
From: Marius Strobl <marius@alchemy.franken.de>
To: John Baldwin <jhb@freebsd.org>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
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Subject: Re: svn commit: r200797 - head/lib/libc/stdtime
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On Mon, Dec 21, 2009 at 02:59:21PM -0500, John Baldwin wrote:
> On Monday 21 December 2009 2:43:23 pm John Baldwin wrote:
> > Author: jhb
> > Date: Mon Dec 21 19:43:23 2009
> > New Revision: 200797
> > URL: http://svn.freebsd.org/changeset/base/200797
> > 
> > Log:
> >   Use _once() to initialize the pthread key for thread-local storage to hold
> >   the results of localtime() instead of using a pthread mutex directly.
> 
> It would probably be simpler to use TLS for this instead, but I'm not sure if
> we have working TLS on all supported platforms.
> 

At least not on arm and sparc64 as the in-tree binutils predate
GNU TLS support for these.

Marius