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Message-ID: <29245cec-275d-4d26-9f0b-3a6141c390e4@SystematicSW.ab.ca>
Date: Sun, 23 Mar 2025 09:47:07 -0600
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Subject: Re: Deadlock when calling pthread_key_create in the destructor of a
 pthread_key
To: cygwin AT cygwin DOT com
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From: Brian Inglis via Cygwin <cygwin AT cygwin DOT com>
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Cc: Brian Inglis <Brian DOT Inglis AT SystematicSW DOT ab DOT ca>
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On 2025-03-23 06:32, Yuyi Wang via Cygwin wrote:
> It's a bug when I tried to run tests of Rust std lib. The standard
> library of Rust tries to create a new pthread_key in the destructor of a
> key created previously. Unfortunately, List::for_each locked the mutex
> before, so List_insert method cannot lock the mutex again.
> 
> I have searched though the POSIX docs and didn't find any words that one
> should not call pthread_key_create in the destructor of a pthread_key. I
> think it should be a bug of cygwin.

Rust does not support Cygwin, and gcc-rs is not yet available on Cygwin: what 
tools and libraries were used to build this library and utilities?

-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retrancher  but when there is no more to cut
                                 -- Antoine de Saint-Exupéry

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