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by taway-20230404
950 days ago
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That example is not thread-safe _behavior-wise_ under the GIL. The block is composed of several individual operations, and the interpreter can preempt a thread between any one of them. On the other hand, it is safe from a memory-access perspective; the read from `self._next_id` will never dereference a partially-mutated invalid pointer or read a partially-mutated value. |
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