gh-112087: Make list.extend(dict) behave atomically#117438
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Add a special case for `list.extend(dict)` and `list(dict)` so that those patterns behave atomically with respect to modifications to the list or dictionary. This is required by multiprocessing, which assumes that `list(_finalizer_registry)` is atomic.
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diegorusso pushed a commit to diegorusso/cpython that referenced this pull request Apr 17, 2024
…17438) Add a special case for `list.extend(dict)` and `list(dict)` so that those patterns behave atomically with respect to modifications to the list or dictionary. 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