bpo-38493: Add os.CLD_KILLED and os.CLD_STOPPED. (GH-16821)

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 6864970..dcd90d3 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -14057,12 +14057,18 @@
 #ifdef CLD_EXITED
     if (PyModule_AddIntMacro(m, CLD_EXITED)) return -1;
 #endif
+#ifdef CLD_KILLED
+    if (PyModule_AddIntMacro(m, CLD_KILLED)) return -1;
+#endif
 #ifdef CLD_DUMPED
     if (PyModule_AddIntMacro(m, CLD_DUMPED)) return -1;
 #endif
 #ifdef CLD_TRAPPED
     if (PyModule_AddIntMacro(m, CLD_TRAPPED)) return -1;
 #endif
+#ifdef CLD_STOPPED
+    if (PyModule_AddIntMacro(m, CLD_STOPPED)) return -1;
+#endif
 #ifdef CLD_CONTINUED
     if (PyModule_AddIntMacro(m, CLD_CONTINUED)) return -1;
 #endif