[issue43352] Add a Barrier object in asyncio lib

[Yves Duprat]

New submission from Yves Duprat <yduprat at gmail.com>:

Add a synchronized primitive Barrier in asyncio, in order to be consistent with them we have for threading.

Barrier object will have a similar design from that of threading lib.
(May be we have to think about a backport ?)


Initial discussion started here: https://mail.python.org/archives/list/python-ideas@python.org/thread/IAFAH7PWMUDUTLXYLNSXES7VMDQ26A3W/

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components: asyncio
messages: 387855
nosy: asvetlov, yduprat, yselivanov
priority: normal
severity: normal
status: open
title: Add a Barrier object in asyncio lib
type: enhancement
versions: Python 3.10, Python 3.6, Python 3.7, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43352>
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