On Linux systems (or anything with SO_BSDCOMPAT), make sure we don't

get random ICMP errors on our unconnected socket.

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/ZOpenPort.c b/lib/ZOpenPort.c
index cae00b8..74a6e97 100644
--- a/lib/ZOpenPort.c
+++ b/lib/ZOpenPort.c
@@ -24,6 +24,9 @@ Code_t ZOpenPort(port)
 {
     struct sockaddr_in bindin;
     int len;
+#ifdef SO_BSDCOMPAT
+    int on = 1;
+#endif
     
     (void) ZClosePort();
 
@@ -32,6 +35,11 @@ Code_t ZOpenPort(port)
 	return (errno);
     }
 
+#ifdef SO_BSDCOMPAT
+    /* Prevent Linux from giving us socket errors we don't care about. */
+    setsockopt(__Zephyr_fd, SOL_SOCKET, SO_BSDCOMPAT, &on, sizeof(on));
+#endif
+
     bindin.sin_family = AF_INET;
 
     if (port && *port)