netty: check result of UDP sendto

2017-09-26 16:33:56 +02:00 · 2017-09-26 16:33:56 +02:00 · 88a3fda36a
parent 26eb0ce794
commit 88a3fda36a
1 changed files with 3 additions and 0 deletions
--- a/repos/libports/src/test/netty/udp/main.cc
+++ b/repos/libports/src/test/netty/udp/main.cc
@ -76,6 +76,9 @@ void Netty::Udp::server(int const sd, bool const nonblock, bool const read_write
 		}

 		count = sendto(sd, data, count, 0, pcaddr, scaddr);
+		if (count == -1)
+			Genode::error("sendto: errno=", errno,
+			              " (", Genode::Cstring(strerror(errno)), ")");

 		Genode::log("echoed ", count, " bytes");
 	}