_PyThreadState_Prealloc() -> _PyThreadState_New()

Author: ericsnowcurrently

Include/cpython/pystate.h

@@ -266,8 +266,6 @@ struct _ts {
 // Alias for backward compatibility with Python 3.8
 #define _PyInterpreterState_Get PyInterpreterState_Get
 
-PyAPI_FUNC(PyThreadState *) _PyThreadState_Prealloc(PyInterpreterState *);
-
 /* Similar to PyThreadState_Get(), but don't issue a fatal error
  * if it is NULL. */
 PyAPI_FUNC(PyThreadState *) _PyThreadState_UncheckedGet(void);

Include/internal/pycore_pystate.h

@@ -120,6 +120,7 @@ static inline PyInterpreterState* _PyInterpreterState_GET(void) {
 
 // PyThreadState functions
 
+PyAPI_FUNC(PyThreadState *) _PyThreadState_New(PyInterpreterState *interp);
 PyAPI_FUNC(void) _PyThreadState_Bind(PyThreadState *tstate);
 // We keep this around exclusively for stable ABI compatibility.
 PyAPI_FUNC(void) _PyThreadState_Init(

Modules/_threadmodule.c

@@ -1161,7 +1161,7 @@ thread_PyThread_start_new_thread(PyObject *self, PyObject *fargs)
         return PyErr_NoMemory();
     }
     boot->interp = _PyInterpreterState_GET();
-    boot->tstate = _PyThreadState_Prealloc(boot->interp);
+    boot->tstate = _PyThreadState_New(boot->interp);
     if (boot->tstate == NULL) {
         PyMem_Free(boot);
         if (!PyErr_Occurred()) {

Python/pylifecycle.c

@@ -696,10 +696,11 @@ pycore_create_interpreter(_PyRuntimeState *runtime,
     const _PyInterpreterConfig config = _PyInterpreterConfig_LEGACY_INIT;
     init_interp_settings(interp, &config);
 
-    PyThreadState *tstate = PyThreadState_New(interp);
+    PyThreadState *tstate = _PyThreadState_New(interp);
     if (tstate == NULL) {
         return _PyStatus_ERR("can't make first thread");
     }
+    _PyThreadState_Bind(tstate);
     (void) PyThreadState_Swap(tstate);
 
     status = init_interp_create_gil(tstate);
@@ -2074,12 +2075,13 @@ new_interpreter(PyThreadState **tstate_p, const _PyInterpreterConfig *config)
         return _PyStatus_OK();
     }
 
-    PyThreadState *tstate = PyThreadState_New(interp);
+    PyThreadState *tstate = _PyThreadState_New(interp);
     if (tstate == NULL) {
         PyInterpreterState_Delete(interp);
         *tstate_p = NULL;
         return _PyStatus_OK();
     }
+    _PyThreadState_Bind(tstate);
 
     PyThreadState *save_tstate = PyThreadState_Swap(tstate);
 

Python/pystate.c

@@ -1251,7 +1251,7 @@ PyThreadState_New(PyInterpreterState *interp)
 
 // This must be followed by a call to _PyThreadState_Bind();
 PyThreadState *
-_PyThreadState_Prealloc(PyInterpreterState *interp)
+_PyThreadState_New(PyInterpreterState *interp)
 {
     return new_threadstate(interp);
 }
@@ -2066,10 +2066,11 @@ PyGILState_Ensure(void)
     int has_gil;
     if (tcur == NULL) {
         /* Create a new Python thread state for this thread */
-        tcur = PyThreadState_New(runtime->gilstate.autoInterpreterState);
+        tcur = new_threadstate(runtime->gilstate.autoInterpreterState);
         if (tcur == NULL) {
             Py_FatalError("Couldn't create thread-state for new thread");
         }
+        bind_tstate(tcur);
 
         /* This is our thread state!  We'll need to delete it in the
            matching call to PyGILState_Release(). */