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Date: Tue, 8 Apr 2025 23:57:47 +0900
To: cygwin AT cygwin DOT com
Subject: Re: Deadlock when calling pthread_key_create in the destructor of a
 pthread_key
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From: Takashi Yano via Cygwin <cygwin AT cygwin DOT com>
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On Sun, 23 Mar 2025 20:32:44 +0800
Yuyi Wang 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.

Fixed. Please try cygwin-3.7.0-0.49.g42df80dad079.

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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