From 8b452face6a8014e12c35705539905fa897a6ad3 Mon Sep 17 00:00:00 2001
From: Jeff Hill <johill@lanl.gov>
Date: Mon, 20 Nov 2000 22:23:42 +0000
Subject: [PATCH] allow two servers to attach to the same udp port

---
 src/rsrv/cast_server.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/rsrv/cast_server.c b/src/rsrv/cast_server.c
index af274f084..4693c726b 100644
--- a/src/rsrv/cast_server.c
+++ b/src/rsrv/cast_server.c
@@ -179,6 +179,18 @@ int cast_server(void)
         }
     }
 #endif
+
+    {
+        int flag = 1;
+        status = setsockopt ( IOC_cast_sock,  SOL_SOCKET, SO_REUSEADDR,
+                    (char *) &flag, sizeof (flag) );
+        if ( status < 0 ) {
+            int errnoCpy = SOCKERRNO;
+            errlogPrintf (
+        "%s: set socket option SO_REUSEADDR failed because \"%s\"\n", 
+                    __FILE__, SOCKERRSTR (errnoCpy) );
+        }
+    }
     
     /*  Zero the sock_addr structure */
     memset((char *)&sin, 0, sizeof(sin));