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Date: Sun, 16 Aug 2020 12:56:42 -0400
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: Restrictions on child context after multithreaded fork
On Sun, Aug 16, 2020 at 11:10:37AM +0200, Florian Weimer wrote:
> * Rich Felker:
>
> > On some inspection, glibc does not actually attempt to make the child
> > environment unrestricted. The only things it does around fork are:
>
> I think pthread_once initializers that have partially executed are
> also executed from the start in the child if initialization is
> requested again.
I don't follow how pthread_once is related. The vast majority of the
things I found glibc doing no specific handling for are actual mutable
state not just on-demand initialization.
Rich
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