# or wrong calling convention
self.assertRaises(ValueError, IsWindow, None)
- def test_SEH(self):
- # Call functions with invalid arguments, and make sure that access violations
- # are trapped and raise an exception.
- #
- # Normally, in a debug build of the _ctypes extension
- # module, exceptions are not trapped, so we can only run
- # this test in a release build.
- import sys
- if not hasattr(sys, "getobjects"):
+ import _ctypes
+ if _ctypes.uses_seh():
+ def test_SEH(self):
+ # Call functions with invalid arguments, and make sure that access violations
+ # are trapped and raise an exception.
self.assertRaises(WindowsError, windll.kernel32.GetModuleHandleA, 32)
class Structures(unittest.TestCase):
return Py_None;
}
+static PyObject *
+uses_seh(PyObject *self, PyObject *args)
+{
+#if defined(DONT_USE_SEH) || !defined(MS_WIN32)
+ Py_INCREF(Py_False);
+ return Py_False;
+#else
+ Py_INCREF(Py_True);
+ return Py_True;
+#endif
+}
+
PyMethodDef module_methods[] = {
+ {"uses_seh", uses_seh, METH_NOARGS,
+ "Return whether ctypes uses Windows structured exception handling"},
{"resize", resize, METH_VARARGS, "Resize the memory buffer of a ctypes instance"},
#ifdef CTYPES_UNICODE
{"set_conversion_mode", set_conversion_mode, METH_VARARGS, set_conversion_mode_doc},