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Allow GIL to be disabled in whirlpool C extension #1344

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Jun 28, 2024
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Allow GIL to be disabled in whirlpool C extension #1344

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46 changes: 29 additions & 17 deletions src/portage_util__whirlpool.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1112,30 +1112,42 @@ static PyTypeObject WhirlpoolType = {
.tp_methods = Whirlpool_methods,
};

static int
whirlpool_exec(PyObject *mod)
{
if (PyType_Ready(&WhirlpoolType) < 0)
return -1;

Py_INCREF(&WhirlpoolType);
if (PyModule_AddObject(mod, "Whirlpool", (PyObject *) &WhirlpoolType) < 0) {
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Py_DECREF(&WhirlpoolType);
return -1;
}

return 0;
}

static PyModuleDef_Slot _whirlpoolmodule_slots[] = {
{Py_mod_exec, whirlpool_exec},
#ifdef Py_MOD_PER_INTERPRETER_GIL_SUPPORTED
{Py_mod_multiple_interpreters, Py_MOD_PER_INTERPRETER_GIL_SUPPORTED},
#endif
#ifdef Py_MOD_GIL_NOT_USED
{Py_mod_gil, Py_MOD_GIL_NOT_USED},
#endif
{0, NULL},
};

static PyModuleDef moduledef = {
PyModuleDef_HEAD_INIT,
.m_name = "_whirlpool",
.m_doc = "Reference Whirlpool implementation",
.m_size = -1,
.m_size = 0,
.m_slots = _whirlpoolmodule_slots,
};

PyMODINIT_FUNC
PyInit__whirlpool(void)
{
PyObject *m;
if (PyType_Ready(&WhirlpoolType) < 0)
return NULL;

m = PyModule_Create(&moduledef);
if (m == NULL)
return NULL;

Py_INCREF(&WhirlpoolType);
if (PyModule_AddObject(m, "Whirlpool", (PyObject *) &WhirlpoolType) < 0) {
Py_DECREF(&WhirlpoolType);
Py_DECREF(m);
return NULL;
}

return m;
return PyModuleDef_Init(&moduledef);
}