bpo-22872: multiprocessing.Queue's put() and get() now raise ValueError if the queue is closed. (GH-9010)

Previously, put() and get() would raise AssertionError and OSError,
respectively.

1 files changed, 8 insertions, 0 deletions

diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index 8402370..578b548 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -787,6 +787,10 @@ For an example of the usage of queues for interprocess communication see
       available, else raise the :exc:`queue.Full` exception (*timeout* is
       ignored in that case).
 
+      .. versionchanged:: 3.8
+         If the queue is closed, :exc:`ValueError` is raised instead of
+         :exc:`AssertionError`.
+
    .. method:: put_nowait(obj)
 
       Equivalent to ``put(obj, False)``.
@@ -801,6 +805,10 @@ For an example of the usage of queues for interprocess communication see
       ``False``), return an item if one is immediately available, else raise the
       :exc:`queue.Empty` exception (*timeout* is ignored in that case).
 
+      .. versionchanged:: 3.8
+         If the queue is closed, :exc:`ValueError` is raised instead of
+         :exc:`OSError`.
+
    .. method:: get_nowait()
 
       Equivalent to ``get(False)``.