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

*** 78,97 ****
  
      private boolean isReuseAddress;
  
      private ServerSocket socket;
  
      RdmaServerSocketChannelImpl(SelectorProvider sp) throws IOException {
!         super(sp);
          this.fd =  RdmaNet.serverSocket();
          this.fdVal = IOUtil.fdVal(fd);
      }
  
      RdmaServerSocketChannelImpl(SelectorProvider sp, FileDescriptor fd, boolean bound)
          throws IOException
      {
!         super(sp);
          this.fd =  fd;
          this.fdVal = IOUtil.fdVal(fd);
          if (bound) {
              synchronized (stateLock) {
                  localAddress = RdmaNet.localAddress(fd);
--- 78,106 ----
  
      private boolean isReuseAddress;
  
      private ServerSocket socket;
  
+     private static final UnsupportedOperationException unsupported;
+ 
+     private static final SelectorProvider checkSupported(SelectorProvider sp) {
+         if (unsupported != null)
+             throw new UnsupportedOperationException(unsupported.getMessage(), unsupported);
+         else
+             return sp;
+     }
+ 
      RdmaServerSocketChannelImpl(SelectorProvider sp) throws IOException {
!         super(checkSupported(sp));
          this.fd =  RdmaNet.serverSocket();
          this.fdVal = IOUtil.fdVal(fd);
      }
  
      RdmaServerSocketChannelImpl(SelectorProvider sp, FileDescriptor fd, boolean bound)
          throws IOException
      {
!         super(checkSupported(sp));
          this.fd =  fd;
          this.fdVal = IOUtil.fdVal(fd);
          if (bound) {
              synchronized (stateLock) {
                  localAddress = RdmaNet.localAddress(fd);
*** 467,480 ****
      private native int accept0(FileDescriptor ssfd,
                                 FileDescriptor newfd,
                                 InetSocketAddress[] isaa)
          throws IOException;
  
!     private static native void initIDs();
  
      static {
          IOUtil.load();
          System.loadLibrary("extnet");
          initIDs();
          nd = new RdmaSocketDispatcher();
      }
  }
--- 476,495 ----
      private native int accept0(FileDescriptor ssfd,
                                 FileDescriptor newfd,
                                 InetSocketAddress[] isaa)
          throws IOException;
  
!     private static native void initIDs()throws UnsupportedOperationException;
  
      static {
          IOUtil.load();
          System.loadLibrary("extnet");
+         UnsupportedOperationException uoe = null;
+         try {
              initIDs();
+         } catch (UnsupportedOperationException e) {
+             uoe = e;
+         }
+         unsupported = uoe;
          nd = new RdmaSocketDispatcher();
      }
  }