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GH-94736: Fix _multiprocessing.SemLock subclassing (GH-94738)

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* fix allocator and deallocator

* 📜🤖 Added by blurb_it.

* code review

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
(cherry picked from commit f5b76330cf)

Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
This commit is contained in:
Miss Islington (bot) 2022-07-11 05:39:09 -07:00 • committed by GitHub
parent b87d03d355
commit 916686fdb2
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3 changed files with 14 additions and 4 deletions
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11
Lib/test/_test_multiprocessing.py
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@ -5964,3 +5964,14 @@ def tearDownModule():
remote_globs['setUpModule'] = setUpModule
remote_globs['tearDownModule'] = tearDownModule
@unittest.skipIf(not hasattr(_multiprocessing, 'SemLock'), 'SemLock not available')
class SemLockTests(unittest.TestCase):
def test_semlock_subclass(self):
class SemLock(_multiprocessing.SemLock):
pass
name = f'test_semlock_subclass-{os.getpid()}'
s = SemLock(1, 0, 10, name, 0)
_multiprocessing.sem_unlink(name)