From 49d038496e851f6571a267cfd387dd7094bdd832 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Sun, 24 Jul 2022 22:11:30 -0700
Subject: [PATCH] gh-95212: make multiprocessing test case parallel-safe
 (GH-95213)

(cherry picked from commit 5956de16cd00e7e1cf5cbf3d7b4a930eaa928321)

Co-authored-by: Christian Heimes <christian@python.org>
---
 Lib/test/_test_multiprocessing.py                               | 2 +-
 .../next/Tests/2022-07-24-20-19-05.gh-issue-95212.fHiU4e.rst    | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Tests/2022-07-24-20-19-05.gh-issue-95212.fHiU4e.rst

diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index 4f0df0f508f..599c3f2abf3 100644
--- 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
new file mode 100644
index 00000000000..44cea181cc1
--- /dev/null
+++ 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.
-- 
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