Add a note about queue not being safe for use from signal handlers.

issue14976.

Add a note about queue not being safe for use from signal handlers.
issue14976.
0d441d7d · Gregory P. Smith ext:(%20%5BGoogle%20Inc.%5D) · f9b760f4 · cb3f2c8f · 0d441d7d
Commit 0d441d7d authored Sep 09, 2016 by Gregory P. Smith ext:(%20%5BGoogle%20Inc.%5D)
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Doc/library/queue.rst Doc/library/queue.rst +5 -0

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--- a/Doc/library/queue.rst
+++ b/Doc/library/queue.rst
@@ -189,6 +189,11 @@ Example of how to wait for enqueued tasks to be completed::
        t.join()


+.. note::
+
+   The :mod:`queue` module is not safe for use from :mod:`signal` handlers as
+   it uses :mod:`threading` locks.
+
 .. seealso::

   Class :class:`multiprocessing.Queue`