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Message-ID: <3D612A34.BCB0B949@FreeBSD.org>
Date: Mon, 19 Aug 2002 20:26:12 +0300
From: Maxim Sobolev <sobomax@FreeBSD.org>
Organization: Vega International Capital
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To: Terry Lambert <tlambert2@mindspring.com>
Cc: hackers@FreeBSD.org, audit@FreeBSD.org,
	Alexander Litvin <archer@whichever.org>,
	Andriy Gapon <agapon@excite.com>
Subject: Re: Thread-safe resolver [patches for review]
References: <3D578A99.F0821712@FreeBSD.org> <3D5792CD.497C80F0@mindspring.com> <3D57A9D4.DAA043EF@FreeBSD.org> <3D57CF6D.2982CE8@mindspring.com> <3D58BFE8.9281433@FreeBSD.org> <3D58C359.A5F7B1AA@mindspring.com>
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Terry Lambert wrote:
> 
> [...]
> > > The assumption (which is potentially wrong) is that the program
> > > will correctly shut down all its threads, when in fact it was a
> > > module not under the programs control that created and used the
> > > threads.
> >
> > I do not quite agree. In such case, the module should probably have
> > destructor function, either placed into the fini section, or to be
> > explicitly called by the program before dlclose().
> 
> Uh, that's exactly the argument I was making: use a .fini section
> to clean up the per thread memory allocations.
> 8-).

I am not sure how you can get from a .fini section list of per-thread
dynamically allocated storages, without resorting to inspecting inner
implementation details of pthread_{set,get}specific(3). Any ideas?

-Maxim

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