unix, windows: map EREMOTEIO errno

PR-URL: https://github.com/libuv/libuv/pull/1424
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>

include/uv-errno.h

@@ -416,4 +416,10 @@
 # define UV__EHOSTDOWN (-4031)
 #endif
 
+#if defined(EREMOTEIO) && !defined(_WIN32)
+# define UV__EREMOTEIO (-EREMOTEIO)
+#else
+# define UV__EREMOTEIO (-4030)
+#endif
+
 #endif /* UV_ERRNO_H_ */

include/uv.h

@@ -140,6 +140,7 @@ extern "C" {
   XX(ENXIO, "no such device or address")                                      \
   XX(EMLINK, "too many links")                                                \
   XX(EHOSTDOWN, "host is down")                                               \
+  XX(EREMOTEIO, "remote I/O error")                                           \
 
 #define UV_HANDLE_TYPE_MAP(XX)                                                \
   XX(ASYNC, async)                                                            \