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bpo-45209: fix UserWarning: resource_tracker in test_multiprocessing (GH-28377)

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(cherry picked from commit f604cf1c37)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
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Miss Islington (bot) 2021-09-21 11:19:48 -07:00 • committed by GitHub
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commit 09e5016f8b
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7
Lib/test/_test_multiprocessing.py
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@ -4178,6 +4178,13 @@ def test_shared_memory_cleaned_after_process_termination(self):
" a process was abruptly terminated.") " a process was abruptly terminated.")
if os.name == 'posix': if os.name == 'posix':
# Without this line it was raising warnings like:
# UserWarning: resource_tracker:
# There appear to be 1 leaked shared_memory
# objects to clean up at shutdown
# See: https://bugs.python.org/issue45209
resource_tracker.unregister(f"/{name}", "shared_memory")
# A warning was emitted by the subprocess' own # A warning was emitted by the subprocess' own
# resource_tracker (on Windows, shared memory segments # resource_tracker (on Windows, shared memory segments
# are released automatically by the OS). # are released automatically by the OS).

2
Misc/NEWS.d/next/Tests/2021-09-15-23-32-39.bpo-45209.55ntL5.rst Normal file
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@ -0,0 +1,2 @@
Fix ``UserWarning: resource_tracker`` warning in
``_test_multiprocessing._TestSharedMemory.test_shared_memory_cleaned_after_process_termination``