Fixes 335681 (Improve ChannelEndPoint.close() to avoid spinning).

git-svn-id: svn+ssh://dev.eclipse.org/svnroot/rt/org.eclipse.jetty/jetty/trunk@2704 7e9141cc-0065-0410-87d8-b60c137991c4

VERSION.txt

@@ -29,6 +29,7 @@ jetty-7.3.0-SNAPSHOT
  + 334311 fix buffer reuse issue in CachedExchange
  + 335361 Fixed 'jetty.sh check' to show current PID when JETTY_PID env. variable is set
  + 335641 Sweep for Windows selectKey.interestOps!=endp.interestOps for undispatched end points
+ + 335681 Improve ChannelEndPoint.close() to avoid spinning
 
 jetty-7.2.2.v20101205 5 December 2010
  + JETTY-1308 327109 (re)fixed AJP handling of empty packets
@@ -44,7 +45,7 @@ jetty-7.2.2.v20101205 5 December 2010
  + 330229 Jetty tries to parse META-INF/*.tld when jsp-api is not on classpath, causing DTD entity resoluton to fail
  + 330265 start.jar --stop kills --exec subprocess
  + 330417 Atomic PUT in PutFilter
- + 330419 Reloading webapp duplicates StandardDescriptorProcessor 
+ + 330419 Reloading webapp duplicates StandardDescriptorProcessor
  + 330686 OSGi: Make org.eclipse.jetty.jsp-2.1 a fragment of org.apache.jasper.glassfish
  + 330732 Removed System.err debugging
  + 330764 Command line properties passed to start.jar --exec

jetty-io/src/main/java/org/eclipse/jetty/io/nio/ChannelEndPoint.java

@@ -27,7 +27,6 @@ import org.eclipse.jetty.io.EndPoint;
 import org.eclipse.jetty.util.StringUtil;
 import org.eclipse.jetty.util.log.Log;
 
-
 /**
  * Channel End Point.
  * <p>Holds the channel and socket for an NIO endpoint.
@@ -80,7 +79,7 @@ public class ChannelEndPoint implements EndPoint
         {
             _local=_remote=null;
         }
-        
+
     }
 
     public boolean isBlocking()
@@ -118,14 +117,23 @@ public class ChannelEndPoint implements EndPoint
                 socket.shutdownOutput();
         }
     }
-    
+
     /* (non-Javadoc)
      * @see org.eclipse.io.EndPoint#close()
      */
     public void close() throws IOException
     {
         if (_socket!=null && !_socket.isOutputShutdown())
-            _socket.shutdownOutput();
+        {
+            try
+            {
+                _socket.shutdownOutput();
+            }
+            catch (IOException x)
+            {
+                Log.ignore(x);
+            }
+        }
         _channel.close();
     }
 
@@ -439,7 +447,7 @@ public class ChannelEndPoint implements EndPoint
     {
         return false;
     }
-    
+
     /* ------------------------------------------------------------ */
     public int getMaxIdleTime()
     {