src/solaris/classes/sun/nio/ch/Port.java

rev 8822 : 8024854: PPC64: Basic changes and files to build the class library on AIX
Reviewed-by: alanb, prr, sla, chegar, michaelm, mullan, art
Contributed-by: luchsh@linux.vnet.ibm.com, spoole@linux.vnet.ibm.com, thomas.stuefe@sap.com

@@ -75,15 +75,25 @@
             fdToChannelLock.writeLock().unlock();
         }
     }
 
     /**
+     * Callback method for implementations that need special handling when fd is
+     * removed (currently only needed in the AIX-Port - see AixPollPort.java).
+     */
+    protected void preUnregister(int fd) {
+        // Do nothing by default.
+    }
+
+    /**
      * Unregister channel identified by its file descriptor
      */
     final void unregister(int fd) {
         boolean checkForShutdown = false;
 
+        preUnregister(fd);
+
         fdToChannelLock.writeLock().lock();
         try {
             fdToChannel.remove(Integer.valueOf(fd));
 
             // last key to be removed so check if group is shutdown