Changes to avoid spurious ECONREFUSED returned from recvfrom() under linux

src/ca/iocinf.c

@@ -1,4 +1,5 @@
 /************************************************************************/
+/* $Id$									*/
 /*									*/
 /*	        	      L O S  A L A M O S			*/
 /*		        Los Alamos National Laboratory			*/
@@ -45,6 +46,7 @@
 /*	021794	joh	turn on SO_REUSEADDR only after the test for	*/
 /*			address in use so that test works on UNIX	*/
 /*			kernels that support multicast			*/
+/* $Log$								*/
 /*									*/
 /*_begin								*/
 /************************************************************************/
@@ -1044,6 +1046,16 @@ LOCAL void udp_recv_msg(struct ioc_in_use *piiu)
 			UNLOCK;
        			return;
 		}
+#               ifdef linux
+			/*
+			 * Avoid spurious ECONNREFUSED bug
+			 * in linux
+			 */
+			if (MYERRNO==ECONNREFUSED) {
+				UNLOCK;
+       				return;
+			}
+#               endif
 		ca_printf("Unexpected UDP failure %s\n", strerror(MYERRNO));
     	}
 	else if(status > 0){

src/ca/repeater.c

@@ -1,4 +1,6 @@
 /*
+ * $Id$
+ *
  * REPEATER.C
  *
  * CA broadcast repeater
@@ -59,6 +61,8 @@
  *	.08 102993 joh	toggle set sock opt to set
  *	.09 070195 joh  discover client has vanished by connecting its
  *			datagram socket (and watching for ECONNREFUSED)
+ *
+ * $Log$
  */
 
 static char *sccsId = "@(#)$Id$";
@@ -149,6 +153,15 @@ void ca_repeater()
 				&from_size);
 
    	 	if(size < 0){
+#			ifdef linux
+				/*
+				 * Avoid spurious ECONNREFUSED bug
+				 * in linux
+				 */
+				if (MYERRNO==ECONNREFUSED) {
+					continue;
+				}
+#			endif
 			ca_printf("CA Repeater: recv err %s\n",
 				strerror(MYERRNO));
 			continue;