diff -r be617b8c4427 -r fa6bd0992104 jdk/src/share/classes/sun/nio/ch/AsynchronousSocketChannelImpl.java
--- a/jdk/src/share/classes/sun/nio/ch/AsynchronousSocketChannelImpl.java	Thu Mar 14 14:45:55 2013 +0100
+++ b/jdk/src/share/classes/sun/nio/ch/AsynchronousSocketChannelImpl.java	Thu Mar 14 13:46:15 2013 -0700
@@ -79,6 +79,9 @@
     private final ReadWriteLock closeLock = new ReentrantReadWriteLock();
     private volatile boolean open = true;
 
+    // set true when exclusive binding is on and SO_REUSEADDR is emulated
+    private boolean isReuseAddress;
+
     AsynchronousSocketChannelImpl(AsynchronousChannelGroupImpl group)
         throws IOException
     {
@@ -455,7 +458,14 @@
             begin();
             if (writeShutdown)
                 throw new IOException("Connection has been shutdown for writing");
-            Net.setSocketOption(fd, Net.UNSPEC, name, value);
+            if (name == StandardSocketOptions.SO_REUSEADDR &&
+                    Net.useExclusiveBind())
+            {
+                // SO_REUSEADDR emulated when using exclusive bind
+                isReuseAddress = (Boolean)value;
+            } else {
+                Net.setSocketOption(fd, Net.UNSPEC, name, value);
+            }
             return this;
         } finally {
             end();
@@ -472,6 +482,12 @@
 
         try {
             begin();
+            if (name == StandardSocketOptions.SO_REUSEADDR &&
+                    Net.useExclusiveBind())
+            {
+                // SO_REUSEADDR emulated when using exclusive bind
+                return (T)Boolean.valueOf(isReuseAddress);
+            }
             return (T) Net.getSocketOption(fd, Net.UNSPEC, name);
         } finally {
             end();