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Diffstat (limited to 'Doc/library/asyncio-sync.rst')
-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 291310d714..993bd13fb0 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. |