From 72c1f57f87efd51daa1531f15a92a8e48327680a Mon Sep 17 00:00:00 2001
From: Kurchi Subhra Hazra <kurchi.subhra.hazra@oracle.com>
Date: Thu, 25 Aug 2011 16:08:31 +0100
Subject: [PATCH] 7044870:
 java/nio/channels/DatagramChannel/SelectWhenRefused.java failed on SUSE Linux
 10

Reviewed-by: alanb, chegar
---
 .../DatagramChannel/SelectWhenRefused.java      | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/jdk/test/java/nio/channels/DatagramChannel/SelectWhenRefused.java b/jdk/test/java/nio/channels/DatagramChannel/SelectWhenRefused.java
index 6d444d50f9b..426a98eb86d 100644
--- a/jdk/test/java/nio/channels/DatagramChannel/SelectWhenRefused.java
+++ b/jdk/test/java/nio/channels/DatagramChannel/SelectWhenRefused.java
@@ -22,7 +22,7 @@
  */
 
 /* @test
- * @bug 6935563
+ * @bug 6935563 7044870
  * @summary Test that Selector does not select an unconnected DatagramChannel when
  *    ICMP port unreachable received
  */
@@ -35,14 +35,15 @@ import java.io.IOException;
 public class SelectWhenRefused {
 
     public static void main(String[] args) throws IOException {
-        DatagramChannel dc = DatagramChannel.open().bind(new InetSocketAddress(0));
-        int port = dc.socket().getLocalPort();
-        dc.close();
+        DatagramChannel dc1 = DatagramChannel.open().bind(new InetSocketAddress(0));
+        int port = dc1.socket().getLocalPort();
 
         // datagram sent to this address should be refused
         SocketAddress refuser = new InetSocketAddress(InetAddress.getLocalHost(), port);
 
-        dc = DatagramChannel.open().bind(new InetSocketAddress(0));
+        DatagramChannel dc = DatagramChannel.open().bind(new InetSocketAddress(0));
+        dc1.close();
+
         Selector sel = Selector.open();
         try {
             dc.configureBlocking(false);
@@ -52,6 +53,10 @@ public class SelectWhenRefused {
             sendDatagram(dc, refuser);
             int n = sel.select(2000);
             if (n > 0) {
+                sel.selectedKeys().clear();
+                // BindException will be thrown if another service is using
+                // our expected refuser port, cannot run just exit.
+                DatagramChannel.open().bind(refuser).close();
                 throw new RuntimeException("Unexpected wakeup");
             }
 
@@ -80,6 +85,8 @@ public class SelectWhenRefused {
                 throw new RuntimeException("Unexpected wakeup after disconnect");
             }
 
+        } catch(BindException e) {
+            // Do nothing, some other test has used this port
         } finally {
             sel.close();
             dc.close();