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| author | Hrvoje Nikšić <hniksic@gmail.com> | 2019-05-29 17:08:17 (GMT) |
|---|---|---|
| committer | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-05-29 17:08:17 (GMT) |
| commit | 34f4f5efea730504216ee19f237734e0bb0104ee (patch) | |
| tree | 78e1a608979851c094df1a911947af118957821e | |
| parent | 46ed90dd014010703c7a3b2a61c4927644fa8210 (diff) | |
| download | cpython-34f4f5efea730504216ee19f237734e0bb0104ee.zip cpython-34f4f5efea730504216ee19f237734e0bb0104ee.tar.gz cpython-34f4f5efea730504216ee19f237734e0bb0104ee.tar.bz2 | |
bpo-36794: Document that Lock.acquire is fair. (GH-13082)
https://bugs.python.org/issue36794
| -rw-r--r-- | Doc/library/asyncio-sync.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Doc/library/asyncio-sync.rst b/Doc/library/asyncio-sync.rst index e3f18cc..79f6b02 100644 --- a/Doc/library/asyncio-sync.rst +++ b/Doc/library/asyncio-sync.rst @@ -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. |