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gh-94395: Remove unneeded module state from mmap (#94396)
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@ -120,18 +120,6 @@ typedef struct {
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access_mode access;
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} mmap_object;
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typedef struct {
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PyTypeObject *mmap_object_type;
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} mmap_state;
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static mmap_state *
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get_mmap_state(PyObject *module)
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{
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mmap_state *state = PyModule_GetState(module);
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assert(state);
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return state;
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}
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static int
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mmap_object_traverse(mmap_object *m_obj, visitproc visit, void *arg)
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{
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@ -1555,46 +1543,23 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
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}
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#endif /* MS_WINDOWS */
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static int
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mmap_traverse(PyObject *module, visitproc visit, void *arg)
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{
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mmap_state *state = get_mmap_state(module);
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Py_VISIT(state->mmap_object_type);
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return 0;
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}
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static int
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mmap_clear(PyObject *module)
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{
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mmap_state *state = get_mmap_state(module);
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Py_CLEAR(state->mmap_object_type);
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return 0;
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}
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static void
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mmap_free(void *module)
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{
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mmap_clear((PyObject *)module);
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}
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static int
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mmap_exec(PyObject *module)
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{
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mmap_state *state = get_mmap_state(module);
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Py_INCREF(PyExc_OSError);
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if (PyModule_AddObject(module, "error", PyExc_OSError) < 0) {
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Py_DECREF(PyExc_OSError);
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return -1;
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}
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state->mmap_object_type = (PyTypeObject *)PyType_FromModuleAndSpec(module,
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&mmap_object_spec,
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NULL);
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if (state->mmap_object_type == NULL) {
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PyObject *mmap_object_type = PyType_FromModuleAndSpec(module,
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&mmap_object_spec, NULL);
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if (mmap_object_type == NULL) {
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return -1;
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}
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if (PyModule_AddType(module, state->mmap_object_type) < 0) {
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int rc = PyModule_AddType(module, (PyTypeObject *)mmap_object_type);
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Py_DECREF(mmap_object_type);
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if (rc < 0) {
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return -1;
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}
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@ -1744,13 +1709,10 @@ static PyModuleDef_Slot mmap_slots[] = {
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};
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static struct PyModuleDef mmapmodule = {
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PyModuleDef_HEAD_INIT,
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.m_base = PyModuleDef_HEAD_INIT,
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.m_name = "mmap",
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.m_size = sizeof(mmap_state),
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.m_size = 0,
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.m_slots = mmap_slots,
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.m_traverse = mmap_traverse,
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.m_clear = mmap_clear,
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.m_free = mmap_free,
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};
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PyMODINIT_FUNC
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