Sync main's 03-add-parallel-gc-hooks patch with 3.15's.

Reviewed By: itamaro

Differential Revision: D114626314

fbshipit-source-id: 578c8a81710a38519efc06f4297a5afb5aa72c30

Author: Yhg1s

Include/pystate.h

@@ -119,8 +119,10 @@ PyAPI_FUNC(void) PyGILState_Release(PyGILState_STATE);
 */
 PyAPI_FUNC(PyThreadState *) PyGILState_GetThisThreadState(void);
 
+#ifndef Py_LIMITED_API
 // Sets the thread state for multi-threaded GC
-PyAPI_FUNC(void) Ci_SetTStateForGC(PyThreadState *tstate);
+PyAPI_FUNC(void) _Ci_PySetTStateForGC(PyThreadState *tstate);
+#endif
 
 /* PEP 788 -- Protection against interpreter finalization */
 

Python/pystate.c

@@ -97,7 +97,7 @@ current_fast_set(_PyRuntimeState *Py_UNUSED(runtime), PyThreadState *tstate)
 }
 
 void
-Ci_SetTStateForGC(PyThreadState *tstate)
+_Ci_PySetTStateForGC(PyThreadState *tstate)
 {
     current_fast_set(&_PyRuntime, tstate);
 }