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Date: Wed, 30 Apr 2003 22:16:54 -0400 (EDT)
From: Daniel Eischen <eischen@pcnet1.pcnet.com>
To: Peter Wemm <peter@wemm.org>
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Subject: Re: Question about rtld-elf. Anyone?.. Anyone? 
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On Wed, 30 Apr 2003, Peter Wemm wrote:
> Daniel Eischen wrote:
> > As an experiment, I made the dlfoo calls in rtld-elf weak
> > (__dlfoo -> dlfoo) and then overrode them in libpthread
> > and protected them with mutexes.
> > 
> > I can get mozilla to work about 1/2 of the time now, but
> > it still gets stuck in the same state the other 1/2 of
> > the time.  This is a bit of an improvement, and seems to
> > indicate (at least to me) that rtld-elf is the culprit.
> 
> As John said, the problem is twofold.  One is the symbol resolution itself,
> eg: when you access a function for the first time, a lazy binding call
> happens.  He had ideas about how to make that fully reentrant.   The second
> problem was preventing dlopen() and friends being called in parallel.  It
> sounds like you've dealt with only the second problem...

Yep, I know.  I just want to provide more evidence that
it is rtld, and not something we're doing in libpthread.

-- 
Dan Eischen