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

gpshead · gpshead · commit cb3f2c8f97d3 · 2016-09-09T12:30:34.000-07:00
issue14976.
diff --git a/Doc/library/queue.rst b/Doc/library/queue.rst
@@ -186,6 +186,11 @@ 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`
