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Subject: Re: Pthreads, linux, gdb, oh my! (fwd)
To: peterb@telerama.com (Peter Berger)
Date: Sat, 9 Dec 2000 00:02:18 +0000 (GMT)
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <Pine.BSI.4.02.10012081344430.26743-100000@frogger.telerama.com> from "Peter Berger" at Dec 08, 2000 02:43:30 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> So you're saying that you got this to work?  Because I certainly couldn't
> get it working with a higher version either.  I would really love a

I read straight down it anf realised you referenced obsolete versions of
tg->created and thus broadcast incorrectly

> I apologize for my ignorance -- I frankly don't know the intricicies of
> linux kernel development; all I know is I wrote what might be the simplest
> of all possible concurrency tests and it is failing.  If someone could
> point me to a version or combination of linux and glibc where it doesn't
> fail, I'd be happy.

The way it works on the Linux side for threads is


Kernel provides
		Shared resources
		clone() - fork with sharing of files/memory etc

glibc provides
		POSIX semantics
		pthreads API
		thread locking on top of its own spin locks and kernel locks



Alan

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