1 files changed, 14 insertions, 4 deletions
diff --git a/libjava/java/net/ServerSocket.java b/libjava/java/net/ServerSocket.java
index 62917b6a8a5..0285c128c77 100644
--- a/libjava/java/net/ServerSocket.java
+++ b/libjava/java/net/ServerSocket.java
@@ -77,6 +77,8 @@ public class ServerSocket
    */
   private ServerSocketChannel ch;
 
+  private boolean closed = false;
+  
   /**
    * Constructor that simply sets the implementation.
    * 
@@ -200,6 +202,9 @@ public class ServerSocket
    */
   public void bind (SocketAddress endpoint, int backlog) throws IOException
   {
+    if (closed)
+      throw new SocketException ("ServerSocket is closed");
+    
     if (impl == null)
       throw new IOException ("Cannot initialize Socket implementation");
 
@@ -315,7 +320,13 @@ public class ServerSocket
    */
   public void close () throws IOException
   {
-    impl.close();
+    if (impl != null)
+      impl.close ();
+
+    if (ch != null)
+      ch.close ();
+    
+    closed = true;
   }
 
   /**
@@ -345,7 +356,7 @@ public class ServerSocket
       }
     catch (SocketException e)
       {
-	return false;
+        return false;
       }
     
     return true;
@@ -358,8 +369,7 @@ public class ServerSocket
    */
   public boolean isClosed()
   {
-    // FIXME: implement this
-    return false;
+    return closed;
   }
 
   /**