Index: source3/lib/messages_dgm.c
===================================================================
--- source3/lib/messages_dgm.c.orig	2017-05-31 17:57:04.979073864 +0000
+++ source3/lib/messages_dgm.c	2017-05-31 17:57:12.692353647 +0000
@@ -356,11 +356,16 @@
 
 	{
 		uint8_t buf[fdlen];
+		int flags = 0;
+
+#ifdef MSG_NOSIGNAL
+		flags = MSG_NOSIGNAL;
+#endif
 
 		msghdr_prep_fds(&msg, buf, fdlen, fds, num_fds);
 
 		do {
-			ret = sendmsg(sock, &msg, MSG_NOSIGNAL);
+			ret = sendmsg(sock, &msg, flags);
 		} while ((ret == -1) && (errno == EINTR));
 	}