[issue30832] Remove own implementation for thread-local storage

[Masayuki Yamamoto]

New submission from Masayuki Yamamoto:

CPython has provided the own implementation for thread-local storage (TLS) on Python/thread.c, it's used in the case which a platform has not supplied native TLS.  However, currently all supported platforms (NT and pthreads) have provided native TLS and defined the Py_HAVE_NATIVE_TLS macro with unconditional in any case.
Therefore, I'd propose removing outdated code.

python-dev: https://mail.python.org/pipermail/python-dev/2017-July/148534.html

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components: Interpreter Core
messages: 297543
nosy: haypo, masamoto
priority: normal
severity: normal
status: open
title: Remove own implementation for thread-local storage
type: enhancement
versions: Python 3.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30832>
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