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gh-112087: Makelist.extend(dict) behave atomically#117438
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Add a special case for `list.extend(dict)` and `list(dict)` so thatthose patterns behave atomically with respect to modifications to thelist or dictionary.This is required by multiprocessing, which assumes that`list(_finalizer_registry)` is atomic.
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corona10 approved these changesApr 2, 2024
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lgtm.
diegorusso pushed a commit to diegorusso/cpython that referenced this pull requestApr 17, 2024
…17438)Add a special case for `list.extend(dict)` and `list(dict)` so that thosepatterns behave atomically with respect to modifications to the list ordictionary.This is required by multiprocessing, which assumes that`list(_finalizer_registry)` is atomic.
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Add a special case for
list.extend(dict)andlist(dict)so that those patterns behave atomically with respect to modifications to the list or dictionary when the GIL is disabled.This is required by multiprocessing, which assumes that
list(_finalizer_registry)is atomic.listobjects thread-safe in--disable-gilbuilds #112087