deque: make most functions thread-safe

This adds a mutex to every deque object. It's acquired around most operations. Some remaining functions, which are not yet thread-safe are: - deque.copy - deque.__init__
colesbury · Apr 23, 2023 · f1e4742 · f1e4742
1 parent 6323ca6
commit f1e4742
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diff --git a/Lib/test/test_deque.py b/Lib/test/test_deque.py
@@ -744,7 +744,7 @@ class C(object):
     def test_sizeof(self):
         MAXFREEBLOCKS = 16
         BLOCKLEN = 64
-        basesize = support.calcvobjsize('2P5n%dPP' % MAXFREEBLOCKS)
+        basesize = support.calcvobjsize('3P5n%dPP' % MAXFREEBLOCKS)
         blocksize = struct.calcsize('P%dPP' % BLOCKLEN)
         self.assertEqual(object.__sizeof__(deque()), basesize)
         check = self.check_sizeof