Victor Stinner a9b1f84790 gh-107219: Fix concurrent.futures terminate_broken() (#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.		2023-09-11 08:11:31 +00:00
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futures	gh-107219: Fix concurrent.futures terminate_broken() (#109244)	2023-09-11 08:11:31 +00:00
__init__.py