Petr Viktorin c912bc3ed4 [3.12] gh-114440: Close writer pipe in multiprocessing.Queue, not concurrent.futures (GH-114489) ... This was left out of the 3.12 backport for three related issues: - gh-107219 (which adds `self.call_queue._writer.close()` to `_ExecutorManagerThread` in `concurrent.futures`) - gh-109370 (which changes this to be only called on Windows) - gh-109047 (which moves the call to `multiprocessing.Queue`'s `_terminate_broken`) Without this change, ProcessPoolExecutor sometimes hangs on Windows when a worker process is terminated. Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>		2024-01-24 13:21:10 +01:00
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futures	[3.12] gh-114440: Close writer pipe in multiprocessing.Queue, not concurrent.futures (GH-114489)	2024-01-24 13:21:10 +01:00
__init__.py