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Date:      Mon, 22 Dec 2003 15:25:56 -0500 (EST)
From:      Daniel Eischen <eischen@vigrid.com>
To:        Julian Elischer <julian@elischer.org>
Cc:        "current@freebsd.org" <current@freebsd.org>
Subject:   Re: KSE and qt-mt
Message-ID:  <Pine.GSO.4.10.10312221516170.10491-100000@pcnet5.pcnet.com>
In-Reply-To: <Pine.BSF.4.21.0312221200150.28217-100000@InterJet.elischer.org>

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On Mon, 22 Dec 2003, Julian Elischer wrote:
> 
> On Mon, 22 Dec 2003, Daniel Eischen wrote:
> > 
> > I also asked them to use %fs; I'm not sure if they will...
> > 
> 
> They are worried about WINE as they are sometimes run together.

Yes, probably, but you have to weight that against not
being able to use libkse or libthr.

> It is more likely that we could ask them to use a single indirection
> and follow the KSE pointer to the Thread block.
> 
> Interestigly teh TLS definition for x86 doesn;t sapecify that the
> tdv be at offset 0 in the tcb.
> There is special mention of having it at another offset, as long as that
> offset is known in advance.
> 
> We could of course also ask them to use offset 1 (longs)
> and leave it free for them they could use that to point to whatever they
> want and it would still allow us to experiment with implementing TLS.
>
> I need to look up their address again. it's time we started this
> discussion again, now that we are closer to implementing TLS.

Our goal is to have TLS for 5.3, so after that point they can
just use __thread.  We're (libkse) ready for it now; we just need
a linker-guy with whom to coordinate.

-- 
Dan Eischen



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