mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-07-24 19:54:21 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Merge 3.4 (asyncio doc)

Browse source
This commit is contained in:
Victor Stinner 2015-02-26 10:39:31 +01:00
commit 87f50158ee
1 changed files with 11 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

14
Doc/library/asyncio-sync.rst
View file

@ -54,6 +54,8 @@ Lock
Locks also support the context management protocol. ``(yield from lock)``
should be used as context manager expression.
This class is :ref:`not thread safe <asyncio-multithreading>`.
Usage::
lock = Lock()
@ -117,6 +119,8 @@ Event
method. The :meth:`wait` method blocks until the flag is true. The flag is
initially false.
This class is :ref:`not thread safe <asyncio-multithreading>`.
.. method:: clear()
Reset the internal flag to false. Subsequently, coroutines calling
@ -160,6 +164,8 @@ Condition
object, and it is used as the underlying lock. Otherwise,
a new :class:`Lock` object is created and used as the underlying lock.
This class is :ref:`not thread safe <asyncio-multithreading>`.
.. coroutinemethod:: acquire()
Acquire the underlying lock.
@ -252,6 +258,8 @@ Semaphore
defaults to ``1``. If the value given is less than ``0``, :exc:`ValueError`
is raised.
This class is :ref:`not thread safe <asyncio-multithreading>`.
.. coroutinemethod:: acquire()
Acquire a semaphore.
@ -279,8 +287,8 @@ BoundedSemaphore
.. class:: BoundedSemaphore(value=1, \*, loop=None)
A bounded semaphore implementation. Inherit from :class:`Semaphore`.
A bounded semaphore implementation. Inherit from :class:`Semaphore`.
This raises :exc:`ValueError` in :meth:`~Semaphore.release` if it would
increase the value above the initial value.
This raises :exc:`ValueError` in :meth:`~Semaphore.release` if it would
increase the value above the initial value.