src/java.base/share/classes/java/net/ServerSocket.java

*** 74,87 ****
       * Are we using an older SocketImpl?
       */
      private boolean oldImpl = false;
  
      /**
!      * Package-private constructor to create a ServerSocket associated with
!      * the given SocketImpl.
       */
!     ServerSocket(SocketImpl impl) {
          this.impl = impl;
          impl.setServerSocket(this);
      }
  
      /**
--- 74,88 ----
       * Are we using an older SocketImpl?
       */
      private boolean oldImpl = false;
  
      /**
!      * Creates a server socket with a user-specified SocketImpl.
!      *
!      * @param      impl the user-specified SocketImpl
       */
!     protected ServerSocket(SocketImpl impl) {
          this.impl = impl;
          impl.setServerSocket(this);
      }
  
      /**
*** 513,523 ****
      public Socket accept() throws IOException {
          if (isClosed())
              throw new SocketException("Socket is closed");
          if (!isBound())
              throw new SocketException("Socket is not bound yet");
!         Socket s = new Socket((SocketImpl) null);
          implAccept(s);
          return s;
      }
  
      /**
--- 514,537 ----
      public Socket accept() throws IOException {
          if (isClosed())
              throw new SocketException("Socket is closed");
          if (!isBound())
              throw new SocketException("Socket is not bound yet");
! 
!         Socket s = null;
!         Class<?> cls = impl.getClass();
!         if (cls.getName().contains("RdmaSocketImpl")) {
!             try {
!                 Constructor<?> c = cls.getConstructor();
!                 s = new Socket((SocketImpl)c.newInstance());
!             } catch (NoSuchMethodException | InstantiationException |
!                 IllegalAccessException | InvocationTargetException e) {
!                 throw new AssertionError(e);
!             }
!         } else {
!             s = new Socket((SocketImpl) null);
!         }
          implAccept(s);
          return s;
      }
  
      /**
*** 544,555 ****
              else {
                  s.impl.reset();
              }
              si = s.impl;
              s.impl = null;
!             si.address = new InetAddress();
!             si.fd = new FileDescriptor();
              getImpl().accept(si);
              SocketCleanable.register(si.fd);   // raw fd has been set
  
              SecurityManager security = System.getSecurityManager();
              if (security != null) {
--- 558,569 ----
              else {
                  s.impl.reset();
              }
              si = s.impl;
              s.impl = null;
!             si.setAddress(new InetAddress());
!             si.setFileDescriptor(new FileDescriptor());
              getImpl().accept(si);
              SocketCleanable.register(si.fd);   // raw fd has been set
  
              SecurityManager security = System.getSecurityManager();
              if (security != null) {