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bpo-40226: PyInterpreterState_Delete() deletes pending calls (GH-19436)

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PyInterpreterState_New() is now responsible to create pending calls,
PyInterpreterState_Delete() now deletes pending calls.

* Rename _PyEval_InitThreads() to _PyEval_InitGIL() and rename
  _PyEval_InitGIL() to _PyEval_FiniGIL().
* _PyEval_InitState() and PyEval_FiniState() now create and delete
  pending calls. _PyEval_InitState() now returns -1 on memory
  allocation failure.
* Add init_interp_create_gil() helper function: code shared by
  Py_NewInterpreter() and Py_InitializeFromConfig().
* init_interp_create_gil() now also calls _PyEval_FiniGIL(),
  _PyEval_InitGIL() and _PyGILState_Init() in subinterpreters, but
  these functions now do nothing when called from a subinterpreter.
This commit is contained in:
Victor Stinner 2020-04-08 17:54:59 +02:00 • committed by GitHub
parent ac2cfe6631
commit dda5d6e071
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4 changed files with 117 additions and 60 deletions
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7
Include/internal/pycore_ceval.h
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@ -17,8 +17,8 @@ struct _frame;
extern void _Py_FinishPendingCalls(PyThreadState *tstate);
extern void _PyEval_InitRuntimeState(struct _ceval_runtime_state *);
extern void _PyEval_InitState(struct _ceval_state *);
extern void _PyEval_FiniThreads(PyThreadState *tstate);
extern int _PyEval_InitState(struct _ceval_state *ceval);
extern void _PyEval_FiniState(struct _ceval_state *ceval);
PyAPI_FUNC(void) _PyEval_SignalReceived(PyThreadState *tstate);
PyAPI_FUNC(int) _PyEval_AddPendingCall(
PyThreadState *tstate,
@ -51,7 +51,8 @@ extern PyObject *_PyEval_EvalCode(
PyObject *name, PyObject *qualname);
extern int _PyEval_ThreadsInitialized(_PyRuntimeState *runtime);
extern PyStatus _PyEval_InitThreads(PyThreadState *tstate);
extern PyStatus _PyEval_InitGIL(PyThreadState *tstate);
extern void _PyEval_FiniGIL(PyThreadState *tstate);
extern void _PyEval_ReleaseLock(PyThreadState *tstate);