1 files changed, 14 insertions, 0 deletions
diff --git a/Modules/_testinternalcapi.c b/Modules/_testinternalcapi.c
index 4607a3faf17..ba7653f2d9c 100644
--- a/Modules/_testinternalcapi.c
+++ b/Modules/_testinternalcapi.c
@@ -1625,6 +1625,17 @@ get_type_module_name(PyObject *self, PyObject *type)
 }
 
 
+#ifdef Py_GIL_DISABLED
+static PyObject *
+get_py_thread_id(PyObject *self, PyObject *Py_UNUSED(ignored))
+{
+    uintptr_t tid = _Py_ThreadId();
+    Py_BUILD_ASSERT(sizeof(unsigned long long) >= sizeof(tid));
+    return PyLong_FromUnsignedLongLong(tid);
+}
+#endif
+
+
 static PyMethodDef module_functions[] = {
     {"get_configs", get_configs, METH_NOARGS},
     {"get_recursion_depth", get_recursion_depth, METH_NOARGS},
@@ -1688,6 +1699,9 @@ static PyMethodDef module_functions[] = {
     {"restore_crossinterp_data", restore_crossinterp_data,       METH_VARARGS},
     _TESTINTERNALCAPI_TEST_LONG_NUMBITS_METHODDEF
     {"get_type_module_name",    get_type_module_name,            METH_O},
+#ifdef Py_GIL_DISABLED
+    {"py_thread_id", get_py_thread_id, METH_NOARGS},
+#endif
     {NULL, NULL} /* sentinel */
 };