src/jdk.net/linux/classes/jdk/internal/net/rdma/RdmaPollSelectorImpl.java

*** 33,44 ****
   * Selector implementation based on poll
   */
  
  public class RdmaPollSelectorImpl extends PollSelectorImpl {
  
      protected RdmaPollSelectorImpl(SelectorProvider sp) throws IOException {
!         super(sp);
      }
  
      protected int poll(long pollAddress, int numfds, int timeout) {
          return poll0(pollAddress, numfds, timeout);
      }
--- 33,53 ----
   * Selector implementation based on poll
   */
  
  public class RdmaPollSelectorImpl extends PollSelectorImpl {
  
+     private static final UnsupportedOperationException unsupported;
+ 
+     private static final SelectorProvider checkSupported(SelectorProvider sp) {
+         if (unsupported != null)
+             throw new UnsupportedOperationException(unsupported.getMessage(), unsupported);
+         else
+             return sp;
+     }
+ 
      protected RdmaPollSelectorImpl(SelectorProvider sp) throws IOException {
!         super(checkSupported(sp));
      }
  
      protected int poll(long pollAddress, int numfds, int timeout) {
          return poll0(pollAddress, numfds, timeout);
      }
*** 52,61 ****
                      System.loadLibrary("extnet");
                      return null;
                  }
              });
          IOUtil.load();
          init();
      }
  
!     private static native void init();    
  }
--- 61,76 ----
                      System.loadLibrary("extnet");
                      return null;
                  }
              });
          IOUtil.load();
+         UnsupportedOperationException uoe = null;
+         try {
              init();
+         } catch (UnsupportedOperationException e) {
+             uoe = e;
+         }
+         unsupported = uoe;
      }
  
!     private static native void init() throws UnsupportedOperationException;
  }