Index: generic/include/errno.h
===================================================================
--- generic/include/errno.h	(revision fd8302d82c4f46789dd4c951470231d1218d0db9)
+++ generic/include/errno.h	(revision 8cf8ee6454a588b78b0423f5af6cffa91031b4f4)
@@ -45,4 +45,5 @@
 #define ENOTSUP		-10	/* Not supported */
 #define EADDRNOTAVAIL	-11	/* Address not available. */
+#define ETIMEOUT        -12     /* Timeout expired */
 
 #endif