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	 b697d8c48e
			
		
	
	
		b697d8c48e
		
			
		
	
	
	
	
		
			
			This change makes it easier to backport the _interpreters, _interpqueues, and _interpchannels modules to Python 3.12.
		
			
				
	
	
		
			102 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| 
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| /* InterpreterError extends Exception */
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| 
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| static PyTypeObject _PyExc_InterpreterError = {
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|     PyVarObject_HEAD_INIT(NULL, 0)
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|     .tp_name = "interpreters.InterpreterError",
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|     .tp_doc = PyDoc_STR("A cross-interpreter operation failed"),
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|     .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
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|     //.tp_traverse = ((PyTypeObject *)PyExc_Exception)->tp_traverse,
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|     //.tp_clear = ((PyTypeObject *)PyExc_Exception)->tp_clear,
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|     //.tp_base = (PyTypeObject *)PyExc_Exception,
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| };
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| PyObject *PyExc_InterpreterError = (PyObject *)&_PyExc_InterpreterError;
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| 
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| /* InterpreterNotFoundError extends InterpreterError */
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| 
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| static PyTypeObject _PyExc_InterpreterNotFoundError = {
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|     PyVarObject_HEAD_INIT(NULL, 0)
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|     .tp_name = "interpreters.InterpreterNotFoundError",
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|     .tp_doc = PyDoc_STR("An interpreter was not found"),
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|     .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
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|     //.tp_traverse = ((PyTypeObject *)PyExc_Exception)->tp_traverse,
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|     //.tp_clear = ((PyTypeObject *)PyExc_Exception)->tp_clear,
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|     .tp_base = &_PyExc_InterpreterError,
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| };
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| PyObject *PyExc_InterpreterNotFoundError = (PyObject *)&_PyExc_InterpreterNotFoundError;
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| 
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| 
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| /* lifecycle */
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| 
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| static int
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| init_static_exctypes(exceptions_t *state, PyInterpreterState *interp)
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| {
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|     assert(state == &_PyXI_GET_STATE(interp)->exceptions);
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|     PyTypeObject *base = (PyTypeObject *)PyExc_Exception;
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| 
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|     // PyExc_InterpreterError
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|     _PyExc_InterpreterError.tp_base = base;
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|     _PyExc_InterpreterError.tp_traverse = base->tp_traverse;
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|     _PyExc_InterpreterError.tp_clear = base->tp_clear;
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|     if (_PyStaticType_InitBuiltin(interp, &_PyExc_InterpreterError) < 0) {
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|         goto error;
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|     }
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|     state->PyExc_InterpreterError = (PyObject *)&_PyExc_InterpreterError;
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| 
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|     // PyExc_InterpreterNotFoundError
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|     _PyExc_InterpreterNotFoundError.tp_traverse = base->tp_traverse;
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|     _PyExc_InterpreterNotFoundError.tp_clear = base->tp_clear;
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|     if (_PyStaticType_InitBuiltin(interp, &_PyExc_InterpreterNotFoundError) < 0) {
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|         goto error;
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|     }
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|     state->PyExc_InterpreterNotFoundError =
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|             (PyObject *)&_PyExc_InterpreterNotFoundError;
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| 
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|     return 0;
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| 
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| error:
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|     fini_static_exctypes(state, interp);
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|     return -1;
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| }
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| 
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| static void
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| fini_static_exctypes(exceptions_t *state, PyInterpreterState *interp)
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| {
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|     assert(state == &_PyXI_GET_STATE(interp)->exceptions);
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|     if (state->PyExc_InterpreterNotFoundError != NULL) {
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|         state->PyExc_InterpreterNotFoundError = NULL;
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|         _PyStaticType_FiniBuiltin(interp, &_PyExc_InterpreterNotFoundError);
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|     }
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|     if (state->PyExc_InterpreterError != NULL) {
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|         state->PyExc_InterpreterError = NULL;
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|         _PyStaticType_FiniBuiltin(interp, &_PyExc_InterpreterError);
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|     }
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| }
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| 
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| static int
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| init_heap_exctypes(exceptions_t *state)
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| {
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|     PyObject *exctype;
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| 
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|     /* NotShareableError extends ValueError */
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|     const char *name = "interpreters.NotShareableError";
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|     PyObject *base = PyExc_ValueError;
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|     PyObject *ns = NULL;
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|     exctype = PyErr_NewException(name, base, ns);
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|     if (exctype == NULL) {
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|         goto error;
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|     }
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|     state->PyExc_NotShareableError = exctype;
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| 
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|     return 0;
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| 
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| error:
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|     fini_heap_exctypes(state);
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|     return -1;
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| }
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| 
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| static void
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| fini_heap_exctypes(exceptions_t *state)
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| {
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|     Py_CLEAR(state->PyExc_NotShareableError);
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| }
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