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[WIP] bpo-38323: Fix MultiLoopChildWatcher hangs #20142

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[WIP] bpo-38323: Fix MultiLoopChildWatcher hangs #20142

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5d10132
bpo-38323: Fix rare MultiLoopChildWatcher hangs.
cjerdonek May 16, 2020
9618884
Add docstring.
cjerdonek May 17, 2020
4d4c147
Address a couple review comments.
cjerdonek Oct 16, 2020
14f6cfc
Revert tearDown() change.
cjerdonek Oct 16, 2020
22ba0b1
Tweak documentation change.
cjerdonek Oct 17, 2020
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Address a couple review comments.
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@cjerdonek
cjerdonek committed Oct 16, 2020
commit 4d4c147b9bfe4ce7bb51aa4745ead8a422e98c14
2 changes: 1 addition & 1 deletion Doc/library/asyncio-policy.rst
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Expand Up @@ -239,7 +239,7 @@ implementation used by the asyncio event loop:
:meth:`loop.add_signal_handler`, this method can only be invoked
from the main thread.

.. versionchanged:: 3.9
.. versionchanged:: 3.10

The method now calls :func:`signal.set_wakeup_fd` as part of the
handler initialization.
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4 changes: 2 additions & 2 deletions Misc/NEWS.d/next/Library/2020-05-16-17-50-10.bpo-38323.Ar35np.rst
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@@ -1,2 +1,2 @@
Fix rare cases with ``MultiLoopChildWatcher`` where the event loop can
fail to awaken in response to a :py:data:`SIGCHLD` signal.
Fix rare cases with :class:`asyncio.MultiLoopChildWatcher` where the event
loop can fail to awaken in response to a :py:data:`SIGCHLD` signal.