diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -130,6 +130,17 @@
         self.assertEqual(out, b'')
         self.assertEqual(err, b'')
 
+        # test EXIT_SUCCESS and EXIT_FAILURE constatnts
+        self.assertNotEqual(sys.EXIT_SUCCESS, sys.EXIT_FAILURE)
+        rc, out, err = assert_python_ok('-c', 'import sys; sys.exit(sys.EXIT_SUCCESS)')
+        self.assertEqual(rc, sys.EXIT_SUCCESS)
+        self.assertEqual(out, b'')
+        self.assertEqual(err, b'')
+        rc, out, err = assert_python_failure('-c', 'import sys; sys.exit(sys.EXIT_FAILURE)')
+        self.assertEqual(rc, sys.EXIT_FAILURE)
+        self.assertEqual(out, b'')
+        self.assertEqual(err, b'')
+
         def check_exit_message(code, expected, **env_vars):
             rc, out, err = assert_python_failure('-c', code, **env_vars)
             self.assertEqual(rc, 1)
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1820,6 +1820,10 @@
 
 #undef SET_SYS_FROM_STRING
 #undef SET_SYS_FROM_STRING_BORROW
+
+    PyModule_AddIntMacro(m, EXIT_SUCCESS);
+    PyModule_AddIntMacro(m, EXIT_FAILURE);
+
     if (PyErr_Occurred())
         return NULL;
     return m;