gh-127266: avoid data races when updating type slots (gh-133177)

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In the free-threaded build, avoid data races caused by updating type
slots or type flags after the type was initially created.  For those
(typically rare) cases, use the stop-the-world mechanism.  Remove the
use of atomics when reading or writing type flags.

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Neil Schemenauer 2025-05-27 18:27:41 -07:00 • committed by GitHub

parent 7ca6d79fa3

commit fbbbc10055

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10 changed files with 575 additions and 133 deletions

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Objects/typeobject.c

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