gh-95212: make multiprocessing test case parallel-safe (GH-95213)

miss-islington · tiran · web-flow · commit 49d038496e85 · 2022-07-24T22:11:30.000-07:00
(cherry picked from commit 5956de1) Co-authored-by: Christian Heimes <christian@python.org>
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
@@ -3971,7 +3971,7 @@ def test_shared_memory_recreate(self):
             'multiprocessing.shared_memory._make_filename') as mock_make_filename:
 
             NAME_PREFIX = shared_memory._SHM_NAME_PREFIX
-            names = ['test01_fn', 'test02_fn']
+            names = [self._new_shm_name('test03_fn'), self._new_shm_name('test04_fn')]
             # Prepend NAME_PREFIX which can be '/psm_' or 'wnsm_', necessary
             # because some POSIX compliant systems require name to start with /
             names = [NAME_PREFIX + name for name in names]
diff --git a/Misc/NEWS.d/next/Tests/2022-07-24-20-19-05.gh-issue-95212.fHiU4e.rst b/Misc/NEWS.d/next/Tests/2022-07-24-20-19-05.gh-issue-95212.fHiU4e.rst
@@ -0,0 +1,2 @@
+Make multiprocessing test case ``test_shared_memory_recreate``
+parallel-safe.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Make multiprocessing test case ``test_shared_memory_recreate``
	`2`	`+parallel-safe.`