Commits on Apr 22, 2024

1. Quiet TSAN warnings about remaining non-atomic accesses of `tstate->s… …

   …tate`
   
   These should be the last instances of TSAN warning of data races when accessing
   `tstate->state` non-atomically.
   
   TSAN reports a race between accessing `tstate->state` in `_PyThreadState_Suspend()`
   and the compare/exhange in `park_detached_threads`. This is a false positive due
   to TSAN modeling failed compare/exchange operations as writes.
   
   TSAN reports a race between accessing `tstate->state` in `_PySemaphore_Wait()`
   and the compare/exchange in `park_detached_threads`. This is the same issue that
   we saw in pythongh-117830.

   

   mpage committed Apr 22, 2024
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