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GH-111435: Add Support for Sharing True and False Between Interpreters (gh-111436)

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This only affects users of the APIs in pycore_crossinterp.h (AKA _xxsubinterpretersmodule.c and _xxinterpchannels.c).
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Anthony Shaw 2023-11-02 09:09:01 +09:00 • committed by GitHub
parent 9322ce90ac
commit 230e8e924d
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4 changed files with 33 additions and 4 deletions
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25
Python/crossinterp.c
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@ -693,6 +693,26 @@ _none_shared(PyThreadState *tstate, PyObject *obj,
return 0;
}
static PyObject *
_new_bool_object(_PyCrossInterpreterData *data)
{
if (data->data){
Py_RETURN_TRUE;
}
Py_RETURN_FALSE;
}
static int
_bool_shared(PyThreadState *tstate, PyObject *obj,
_PyCrossInterpreterData *data)
{
_PyCrossInterpreterData_Init(data, tstate->interp,
(void *) (Py_IsTrue(obj) ? (uintptr_t) 1 : (uintptr_t) 0), NULL,
_new_bool_object);
// data->obj and data->free remain NULL
return 0;
}
static void
_register_builtins_for_crossinterpreter_data(struct _xidregistry *xidregistry)
{
@ -716,6 +736,11 @@ _register_builtins_for_crossinterpreter_data(struct _xidregistry *xidregistry)
Py_FatalError("could not register str for cross-interpreter sharing");
}
// bool
if (_xidregistry_add_type(xidregistry, &PyBool_Type, _bool_shared) != 0) {
Py_FatalError("could not register bool for cross-interpreter sharing");
}
// float
if (_xidregistry_add_type(xidregistry, &PyFloat_Type, _float_shared) != 0) {
Py_FatalError("could not register float for cross-interpreter sharing");