Update documentation about add of Barrier object

YvesDup · YvesDup · commit 576cd53c206f · 2021-05-28T18:04:57.000+02:00
Add  Barrier object as a clone of threading.Barrier
diff --git a/Doc/library/asyncio-api-index.rst b/Doc/library/asyncio-api-index.rst
@@ -186,6 +186,9 @@ Threading-like synchronization primitives that can be used in Tasks.
     * - :class:`BoundedSemaphore`
       - A bounded semaphore.
 
+    * - :class:`Barrier`
+      - A barrier object.
+
 
 .. rubric:: Examples
 
diff --git a/Doc/library/asyncio-sync.rst b/Doc/library/asyncio-sync.rst
@@ -28,6 +28,7 @@ asyncio has the following basic synchronization primitives:
 * :class:`Condition`
 * :class:`Semaphore`
 * :class:`BoundedSemaphore`
+* :class:`Barrier`
 
 
 ---------
@@ -325,6 +326,22 @@ BoundedSemaphore
    a :exc:`ValueError` in :meth:`~Semaphore.release` if it
    increases the internal counter above the initial *value*.
 
+
+Barrier
+=======
+
+.. class:: Barrier(parties, action=None)
+
+   A barrier object.  Not thread-safe.
+
+   Create a barrier object for *parties* number of tasks.  An *action*, when
+   provided, is a callable to be called by one of the tasks when they are
+   released.
+
+   A barrier object: a clone of :class:`threading.Barrier`.
+
+   .. versionadded:: 3.10
+
 ---------
 
 
