Index: generic/include/errno.h
===================================================================
--- generic/include/errno.h	(revision 152b2b0ca223d7a95abf0fbd5e89c977c114a9ce)
+++ generic/include/errno.h	(revision 7c95658c9b566e7cb05eb438d78eaaf2743fbd39)
@@ -46,4 +46,5 @@
 #define EADDRNOTAVAIL	-11	/* Address not available. */
 #define ETIMEOUT        -12     /* Timeout expired */
+#define EINVAL          -13     /* Invalid value */
 
 #endif