[3.13] gh-122201: Lock mutex when setting handling_thread to NULL (GH-122204)#122319
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…honGH-122204) In the free-threaded build, we need to lock pending->mutex when clearing the handling_thread in order not to race with a concurrent make_pending_calls in the same interpreter. (cherry picked from commit c557ae9) Co-authored-by: Sam Gross <colesbury@gmail.com>
This was referenced Jul 26, 2024
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In the free-threaded build, we need to lock pending->mutex when clearing
the handling_thread in order not to race with a concurrent
make_pending_calls in the same interpreter.
(cherry picked from commit c557ae9)
Co-authored-by: Sam Gross colesbury@gmail.com
make_pending_callsin free-threaded build #122201