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bpo-30966: concurrent.futures.Process.shutdown() closes queue (GH-19738) 

Process.shutdown(wait=True) of concurrent.futures now closes
explicitly the result queue.
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Victor Stinner 2020-04-27 20:53:37 +02:00 committed by GitHub
parent b94dbd7ac3
commit 1a275013d1
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2
Lib/concurrent/futures/process.py
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@ -728,6 +728,8 @@ class ProcessPoolExecutor(_base.Executor):
# objects that use file descriptors. # objects that use file descriptors.
self._executor_manager_thread = None self._executor_manager_thread = None
self._call_queue = None self._call_queue = None
if self._result_queue is not None and wait:
self._result_queue.close()
self._result_queue = None self._result_queue = None
self._processes = None self._processes = None

2
Misc/NEWS.d/next/Library/2020-04-27-20-27-39.bpo-30966.Xmtlqu.rst Normal file
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@ -0,0 +1,2 @@
``Process.shutdown(wait=True)`` of :mod:`concurrent.futures` now closes
explicitly the result queue.