src/java.base/unix/classes/sun/nio/ch/PollSelectorImpl.java

*** 40,50 ****
  
  /**
   * Selector implementation based on poll
   */
  
! class PollSelectorImpl extends SelectorImpl {
  
      // initial capacity of poll array
      private static final int INITIAL_CAPACITY = 16;
  
      // poll array, grows as needed
--- 40,50 ----
  
  /**
   * Selector implementation based on poll
   */
  
! public class PollSelectorImpl extends SelectorImpl {
  
      // initial capacity of poll array
      private static final int INITIAL_CAPACITY = 16;
  
      // poll array, grows as needed
*** 65,75 ****
  
      // interrupt triggering and clearing
      private final Object interruptLock = new Object();
      private boolean interruptTriggered;
  
!     PollSelectorImpl(SelectorProvider sp) throws IOException {
          super(sp);
  
          int size = pollArrayCapacity * SIZE_POLLFD;
          this.pollArray = new AllocatedNativeObject(size, false);
  
--- 65,75 ----
  
      // interrupt triggering and clearing
      private final Object interruptLock = new Object();
      private boolean interruptTriggered;
  
!     protected PollSelectorImpl(SelectorProvider sp) throws IOException {
          super(sp);
  
          int size = pollArrayCapacity * SIZE_POLLFD;
          this.pollArray = new AllocatedNativeObject(size, false);
  
*** 131,140 ****
--- 131,148 ----
          processDeregisterQueue();
          return processEvents(action);
      }
  
      /**
+      * Protected poll method allows different platform-specific
+      * native implementations
+      */
+     protected int poll(long pollAddress, int numfds, int timeout) {
+         return poll0(pollAddress, numfds, timeout);
+     }
+ 
+     /**
       * Process changes to the interest ops.
       */
      private void processUpdateQueue() {
          assert Thread.holdsLock(this);
  
*** 375,385 ****
      private int getReventOps(int i) {
          int offset = SIZE_POLLFD * i + REVENT_OFFSET;
          return pollArray.getShort(offset);
      }
  
!     private static native int poll(long pollAddress, int numfds, int timeout);
  
      static {
          IOUtil.load();
      }
  }
--- 383,393 ----
      private int getReventOps(int i) {
          int offset = SIZE_POLLFD * i + REVENT_OFFSET;
          return pollArray.getShort(offset);
      }
  
!     private static native int poll0(long pollAddress, int numfds, int timeout);
  
      static {
          IOUtil.load();
      }
  }