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gh-120321: Make gi_yieldfrom thread-safe in free-threading build #144292

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gh-120321: Make gi_yieldfrom thread-safe in free-threading build #144292

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@colesbury colesbury commented Jan 27, 2026 •
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Add a FRAME_SUSPENDED_YIELD_FROM_LOCKED state that acts as a brief lock, preventing other threads from transitioning the frame state while gen_getyieldfrom reads the yield-from object off the stack.

@colesbury
pythongh-120321: Make gi_yieldfrom thread-safe in free-threading build
5a3fa20 
Add a FRAME_SUSPENDED_YIELD_FROM_LOCKED state that acts as a brief
lock, preventing other threads from transitioning the frame state
while gen_getyieldfrom reads the yield-from object off the stack.
@bedevere-app bedevere-app bot mentioned this pull request Jan 27, 2026
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@colesbury colesbury marked this pull request as ready for review January 28, 2026 16:44
@colesbury colesbury requested a review from mpage January 28, 2026 16:44
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