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bpo-36794: Document that Lock.acquire is fair. (GH-13082)

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https://bugs.python.org/issue36794
(cherry picked from commit 34f4f5efea)

Co-authored-by: Hrvoje Nikšić <hniksic@gmail.com>
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Miss Islington (bot) 2019-05-29 11:24:32 -07:00 • committed by GitHub
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7
Doc/library/asyncio-sync.rst
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@ -66,6 +66,13 @@ Lock
This method waits until the lock is *unlocked*, sets it to
*locked* and returns ``True``.
When more than one coroutine is blocked in :meth:`acquire`
waiting for the lock to be unlocked, only one coroutine
eventually proceeds.
Acquiring a lock is *fair*: the coroutine that proceeds will be
the first coroutine that started waiting on the lock.
.. method:: release()
Release the lock.