8000 Thread safe lock-free iteration · python/cpython@bf395f6 · GitHub
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DinoVDinoV
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Thread safe lock-free iteration
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‎Include/internal/pycore_dict.h

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@@ -210,6 +210,8 @@ static inline PyDictUnicodeEntry* DK_UNICODE_ENTRIES(PyDictKeysObject *dk) {
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#define DICT_VERSION_INCREMENT (1 << (DICT_MAX_WATCHERS + DICT_WATCHED_MUTATION_BITS))
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#define DICT_WATCHER_MASK ((1 << DICT_MAX_WATCHERS) - 1)
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#define DICT_VALUES_USED_SIZE(values) ((uint8_t *)values)[-2]
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#ifdef Py_GIL_DISABLED
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#define DICT_NEXT_VERSION(INTERP) \
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(_Py_atomic_add_uint64(&(INTERP)->dict_state.global_version, DICT_VERSION_INCREMENT) + DICT_VERSION_INCREMENT)

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