cpython/Lib/multiprocessing
Miss Islington (bot) a0a1aa3125
[3.13] gh-135335: flush stdout/stderr in forkserver after preloading modules (GH-135338) (#135671)
gh-135335: flush stdout/stderr in forkserver after preloading modules (GH-135338)

If a preloaded module writes to stdout or stderr, and the stream is buffered,
child processes will inherit the buffered data after forking. Attempt to
prevent this by flushing the streams after preload.
(cherry picked from commit 9877d191f4)

Co-authored-by: Duane Griffin <duaneg@dghda.com>
Co-authored-by: Mikhail Efimov <efimov.mikhail@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
2025-06-18 12:40:21 +00:00
..
dummy bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700) 2019-06-01 11:00:15 +03:00
__init__.py Simplify __all__ in multiprocessing (GH-6856) 2018-07-11 19:22:28 +09:00
connection.py [3.13] remove type annotations from multiprocessing. (GH-129381) (#129470) 2025-01-30 08:54:15 +00:00
context.py [3.13] gh-80334: fix multiprocessing.freeze_support for other spawn platforms (GH-134462) (#134620) 2025-05-24 04:13:37 +00:00
forkserver.py [3.13] gh-135335: flush stdout/stderr in forkserver after preloading modules (GH-135338) (#135671) 2025-06-18 12:40:21 +00:00
heap.py bpo-32759: Free unused arenas in multiprocessing.heap (GH-5827) 2018-04-09 17:37:55 +02:00
managers.py [3.13] gh-71936: Fix race condition in multiprocessing.Pool (GH-124973) (GH-126869) 2024-11-15 14:05:14 +00:00
pool.py gh-109649: Use os.process_cpu_count() (#110165) 2023-10-01 03:14:57 +02:00
popen_fork.py gh-83856: Honor atexit for all multiprocessing start methods (GH-114279) 2024-05-03 11:45:46 -07:00
popen_forkserver.py bpo-36888: Add multiprocessing.parent_process() (GH-13247) 2019-05-20 21:37:05 +02:00
popen_spawn_posix.py bpo-36888: Add multiprocessing.parent_process() (GH-13247) 2019-05-20 21:37:05 +02:00
popen_spawn_win32.py gh-118293: Suppress mouse cursor feedback when launching Windows processes with multiprocessing (GH-118315) 2024-04-28 21:10:44 +00:00
process.py gh-83856: Honor atexit for all multiprocessing start methods (GH-114279) 2024-05-03 11:45:46 -07:00
queues.py gh-71052: Enable test_concurrent_futures on platforms that lack multiprocessing (gh-115917) 2024-02-25 11:38:18 -08:00
reduction.py bpo-34521: Fix tests in test_multiprocessing_spawn to use correctly CMSG_SPACE (GH-9613) 2018-09-28 02:51:05 -07:00
resource_sharer.py gh-101225: Increase the socket backlog when creating a multiprocessing.connection.Listener (#113567) 2024-01-13 10:48:33 +01:00
resource_tracker.py [3.13] gh-88887: Cleanup multiprocessing.resource_tracker.ResourceTracker upon deletion (GH-130429) (#131516) 2025-03-20 17:08:58 +00:00
shared_memory.py gh-82300: Add track parameter to multiprocessing.shared_memory (#110778) 2023-12-05 00:11:44 -08:00
sharedctypes.py bpo-32157: Removed explicit quotes around %r and {!r}. (#4582) 2017-11-28 22:54:42 +02:00
spawn.py More actionable error message when spawn is incorrectly used. (#102203) 2023-08-15 18:03:45 -07:00
synchronize.py [3.13] remove type annotations from multiprocessing. (GH-129381) (#129470) 2025-01-30 08:54:15 +00:00
util.py gh-71052: Change Android's sys.platform from "linux" to "android" 2024-03-11 19:25:39 +00:00