https://github.com/python/cpython/commit/6e605861751eb0f8cca3836e2eadd34faf6a7ad2
commit: 6e605861751eb0f8cca3836e2eadd34faf6a7ad2
branch: 3.14
author: Miss Islington (bot) <31488909+miss-isling...@users.noreply.github.com>
committer: serhiy-storchaka <storch...@gmail.com>
date: 2025-05-23T17:23:47Z
summary:
[3.14] gh-133454: Reduce the number of threads in
test_racing_getbuf_and_releasebuf (GH-133458) (GH-134589)
The original reproducer only used 10 threads.
(cherry picked from commit fc0c9c24121c1a62b25b79062286f976699b59e9)
Co-authored-by: Serhiy Storchaka <storch...@gmail.com>
files:
M Lib/test/test_memoryview.py
diff --git a/Lib/test/test_memoryview.py b/Lib/test/test_memoryview.py
index 61b068c630c7ce..64f440f180bbf0 100644
--- a/Lib/test/test_memoryview.py
+++ b/Lib/test/test_memoryview.py
@@ -743,19 +743,21 @@ def test_racing_getbuf_and_releasebuf(self):
from multiprocessing.managers import SharedMemoryManager
except ImportError:
self.skipTest("Test requires multiprocessing")
- from threading import Thread
+ from threading import Thread, Event
- n = 100
+ start = Event()
with SharedMemoryManager() as smm:
obj = smm.ShareableList(range(100))
- threads = []
- for _ in range(n):
- # Issue gh-127085, the `ShareableList.count` is just a
convenient way to mess the `exports`
- # counter of `memoryview`, this issue has no direct relation
with `ShareableList`.
- threads.append(Thread(target=obj.count, args=(1,)))
-
+ def test():
+ # Issue gh-127085, the `ShareableList.count` is just a
+ # convenient way to mess the `exports` counter of `memoryview`,
+ # this issue has no direct relation with `ShareableList`.
+ start.wait(support.SHORT_TIMEOUT)
+ for i in range(10):
+ obj.count(1)
+ threads = [Thread(target=test) for _ in range(10)]
with threading_helper.start_threads(threads):
- pass
+ start.set()
del obj
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