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gh-155445: Fix the calculation of constant HAVE_GETVALUE in test._test_multiprocessing. #155540

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gh-155445: Fix the calculation of constant HAVE_GETVALUE in test._test_multiprocessing. #155540

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YvesDup Aug 10, 2026
6ee814c
📜🤖 Added by blurb_it.
blurb-it[bot] Aug 11, 2026
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13 changes: 8 additions & 5 deletions Lib/test/_test_multiprocessing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -138,8 +138,11 @@ def _resource_unlink(name, rtype):

WAIT_ACTIVE_CHILDREN_TIMEOUT = 5.0

HAVE_GETVALUE = not getattr(_multiprocessing,
'HAVE_BROKEN_SEM_GETVALUE', False)
try:
HAVE_GETVALUE = not getattr(_multiprocessing,'flags') \
.get('HAVE_BROKEN_SEM_GETVALUE', False)
except:
HAVE_GETVALUE = True

WIN32 = (sys.platform == "win32")

Expand Down Expand Up @@ -1752,9 +1755,9 @@ def test_bounded_semaphore(self):
sem = self.BoundedSemaphore(2)
self._test_semaphore(sem)
# Currently fails on OS/X
#if HAVE_GETVALUE:
# self.assertRaises(ValueError, sem.release)
# self.assertReturnsIfImplemented(2, get_value, sem)
if HAVE_GETVALUE:
self.assertRaises(ValueError, sem.release)
self.assertReturnsIfImplemented(2, get_value, sem)

def test_timeout(self):
if self.TYPE != 'processes':
Expand Down
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Tests/2026-08-11-20-46-03.gh-issue-155445.iEVmED.rst
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@@ -0,0 +1 @@
Fix the calculation of constant HAVE_GETVALUE in `test._test_multiprocessing.py` file.
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