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Revert gh-127266: avoid data races when updating type slots (gh-131174) (gh-133129)

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This is triggering deadlocks in test_opcache.  See GH-133130 for stack trace.
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Neil Schemenauer 2025-04-28 23:38:29 -07:00 • committed by GitHub
parent 219b1f9d1d
commit eecafc3380
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10 changed files with 112 additions and 233 deletions
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Lib/test/test_opcache.py
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@ -576,7 +576,6 @@ class TestRacesDoNotCrash(TestBase):
# Careful with these. Bigger numbers have a higher chance of catching bugs,
# but you can also burn through a *ton* of type/dict/function versions:
ITEMS = 1000
SMALL_ITEMS = 100
LOOPS = 4
WRITERS = 2
@ -620,7 +619,7 @@ class TestRacesDoNotCrash(TestBase):
__getitem__ = lambda self, item: None
items = []
for _ in range(self.SMALL_ITEMS):
for _ in range(self.ITEMS):
item = C()
items.append(item)
return items
@ -791,7 +790,7 @@ class TestRacesDoNotCrash(TestBase):
__getattribute__ = lambda self, name: None
items = []
for _ in range(self.SMALL_ITEMS):
for _ in range(self.ITEMS):
item = C()
items.append(item)
return items