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From: Bruno Haible <bruno@clisp.org>
Newsgroups: gmane.linux.lib.musl.general
Subject: Re: TLS and TSS APIs have race conditions in musl
Date: Wed, 26 Jun 2019 03:02:10 +0200
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Cc: Rich Felker <dalias@libc.org>
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Hi Rich,

> > On Alpine Linux 3.7 and 2.9, these test programs, when run, produce this output:

This was a typo: I meant Alpine Linux 3.7 and 3.9.

> Have you tried with current musl (1.1.22)?

No. It surely is easier for you to try it with the current musl:
  $ gcc -Wall test-tls.c -o test-tls && ./test-tls

Bruno