bpo-30966: concurrent.futures.Process.shutdown() closes queue (GH-19738)
Process.shutdown(wait=True) of concurrent.futures now closes
explicitly the result queue.
diff --git a/Lib/concurrent/futures/process.py b/Lib/concurrent/futures/process.py
index 36355ae..8e9b69a 100644
--- a/Lib/concurrent/futures/process.py
+++ b/Lib/concurrent/futures/process.py
@@ -728,6 +728,8 @@
# objects that use file descriptors.
self._executor_manager_thread = None
self._call_queue = None
+ if self._result_queue is not None and wait:
+ self._result_queue.close()
self._result_queue = None
self._processes = None
diff --git a/Misc/NEWS.d/next/Library/2020-04-27-20-27-39.bpo-30966.Xmtlqu.rst b/Misc/NEWS.d/next/Library/2020-04-27-20-27-39.bpo-30966.Xmtlqu.rst
new file mode 100644
index 0000000..85b7934
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-04-27-20-27-39.bpo-30966.Xmtlqu.rst
@@ -0,0 +1,2 @@
+``Process.shutdown(wait=True)`` of :mod:`concurrent.futures` now closes
+explicitly the result queue.