2003-12-09 Michael Koch <konqueror@gmx.de>

	* java/net/DatagramSocket.java
	(close): Directly return if socket is closed.
	* java/net/ServerSocket.java
	(close): Directly return if socket is closed.
	* java/net/Socket.java
	(close): Directly return if socket is closed.

From-SVN: r74470

libjava/ChangeLog

 2003-12-09  Michael Koch  <konqueror@gmx.de>
 
+	* java/net/DatagramSocket.java
+	(close): Directly return if socket is closed.
+	* java/net/ServerSocket.java
+	(close): Directly return if socket is closed.
+	* java/net/Socket.java
+	(close): Directly return if socket is closed.
+
+2003-12-09  Michael Koch  <konqueror@gmx.de>
+
 	* gnu/java/nio/SelectorImpl.java
 	(implSelect): Throws IOException.
 	(select): Likewise.

libjava/java/net/DatagramSocket.java

@@ -216,32 +216,32 @@ public class DatagramSocket
    */
   public void close()
   {
-    if (!isClosed())
+    if (isClosed())
+      return;
+    
+    try
       {
-	try
-	  {
-	    getImpl().close();
-	  }
-	catch (SocketException e)
-	  {
-	    // Ignore this case, just close the socket in finally clause.
-	  }
-	finally
-	  {
-	    remoteAddress = null;
-	    remotePort = -1;
-	    impl = null;
-	  }
+	getImpl().close();
+      }
+    catch (SocketException e)
+      {
+	// Ignore this case, just close the socket in finally clause.
+      }
+    finally
+      {
+	remoteAddress = null;
+	remotePort = -1;
+	impl = null;
+      }
 
-	try
-	  {
-	    if (getChannel() != null)
-	      getChannel().close();
-	  }
-	catch (IOException e)
-	  {
-	    // Do nothing.
-	  }
+    try
+      {
+	if (getChannel() != null)
+	  getChannel().close();
+      }
+    catch (IOException e)
+      {
+	// Do nothing.
       }
   }
 

libjava/java/net/ServerSocket.java

@@ -353,15 +353,15 @@ public class ServerSocket
    */
   public void close () throws IOException
   {
-    if (!isClosed())
-      {
-	impl.close();
-	impl = null;
-	bound = false;
+    if (isClosed())
+      return;
+    
+    impl.close();
+    impl = null;
+    bound = false;
 
-	if (getChannel() != null)
-	  getChannel().close();
-      }
+    if (getChannel() != null)
+      getChannel().close();
   }
 
   /**

libjava/java/net/Socket.java

@@ -1003,7 +1003,7 @@ public class Socket
   public synchronized void close ()  throws IOException
   {
     if (isClosed())
-      throw new SocketException("socket is closed");
+      return;
     
     getImpl().close();
     impl = null;