Miss Islington (bot) 2f8c80f531 [3.11] gh-107219: Fix concurrent.futures terminate_broken() (GH-109244) (#109255) ... gh-107219: Fix concurrent.futures terminate_broken() (GH-109244) Fix a race condition in concurrent.futures. When a process in the process pool was terminated abruptly (while the future was running or pending), close the connection write end. If the call queue is blocked on sending bytes to a worker process, closing the connection write end interrupts the send, so the queue can be closed. Changes: * _ExecutorManagerThread.terminate_broken() now closes call_queue._writer. * multiprocessing PipeConnection.close() now interrupts WaitForMultipleObjects() in _send_bytes() by cancelling the overlapped operation. (cherry picked from commit a9b1f84790) Co-authored-by: Victor Stinner <vstinner@python.org>		2023-09-11 08:52:17 +00:00
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futures	[3.11] gh-107219: Fix concurrent.futures terminate_broken() (GH-109244) (#109255)	2023-09-11 08:52:17 +00:00
__init__.py	…