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[Bug dynamic-link/18457] pthread_join deadlock in library destructor


https://sourceware.org/bugzilla/show_bug.cgi?id=18457

Carlos O'Donell <carlos at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |carlos at redhat dot com,
                   |                            |siddhesh at redhat dot com
   Target Milestone|---                         |2.22

--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Alexandre Oliva from comment #1)
> Created attachment 8340 [details]
> Patch that fixes the regression
> 
> Thanks for the report . Here's the patch I'm testing to fix the regression.

We are still looking to fix this in 2.22, but Alex's patch may not be the
solution that is decided upon. Initially as a conservative fix we may just not
uload the DSO that have destructors used by thread_local. Then in 2.23 we will
put in a broader fix that resolves and documents the concurrency requirements
for the internal glibc interfaces.

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