Victor Stinner 7b3c252dc7 bpo-39877: _PyRuntimeState.finalizing becomes atomic (GH-18816) ...

Convert _PyRuntimeState.finalizing field to an atomic variable:

* Rename it to _finalizing
* Change its type to _Py_atomic_address
* Add _PyRuntimeState_GetFinalizing() and _PyRuntimeState_SetFinalizing()
  functions
* Remove _Py_CURRENTLY_FINALIZING() function: replace it with testing
  directly _PyRuntimeState_GetFinalizing() value

Convert _PyRuntimeState_GetThreadState() to static inline function.

2020-03-07 00:24:23 +01:00

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