src/java.base/unix/classes/java/net/PlainSocketImpl.java

*** 23,33 ****
   * questions.
   */
  package java.net;
  
  import java.io.IOException;
- import java.io.FileDescriptor;
  import java.util.Set;
  import java.util.HashSet;
  import sun.net.ext.ExtendedSocketOptions;
  
  /*
--- 23,32 ----
*** 47,100 ****
       */
      PlainSocketImpl(boolean isServer) {
          super(isServer);
      }
  
-     static final ExtendedSocketOptions extendedOptions =
-             ExtendedSocketOptions.getInstance();
- 
-     protected <T> void setOption(SocketOption<T> name, T value) throws IOException {
-         if (isClosedOrPending()) {
-             throw new SocketException("Socket closed");
-         }
-         if (supportedOptions().contains(name)) {
-             if (extendedOptions.isOptionSupported(name)) {
-                 extendedOptions.setOption(fd, name, value);
-             } else {
-                 super.setOption(name, value);
-             }
-         } else {
-             throw new UnsupportedOperationException("unsupported option");
-         }
-     }
- 
-     @SuppressWarnings("unchecked")
-     protected <T> T getOption(SocketOption<T> name) throws IOException {
-         if (isClosedOrPending()) {
-             throw new SocketException("Socket closed");
-         }
-         if (supportedOptions().contains(name)) {
-             if (extendedOptions.isOptionSupported(name)) {
-                 return (T) extendedOptions.getOption(fd, name);
-             } else {
-                 return super.getOption(name);
-             }
-         } else {
-             throw new UnsupportedOperationException("unsupported option");
-         }
-     }
- 
-     protected Set<SocketOption<?>> supportedOptions() {
-         HashSet<SocketOption<?>> options = new HashSet<>(super.supportedOptions());
-         if (isServer) {
-             options.addAll(ExtendedSocketOptions.serverSocketOptions());
-         } else {
-             options.addAll(ExtendedSocketOptions.clientSocketOptions());
-         }
-         return options;
-     }
- 
      protected void socketSetOption(int opt, boolean b, Object val) throws SocketException {
          if (opt == SocketOptions.SO_REUSEPORT &&
              !supportedOptions().contains(StandardSocketOptions.SO_REUSEPORT)) {
              throw new UnsupportedOperationException("unsupported option");
          }
--- 46,55 ----