src/java.base/share/classes/sun/net/ExtendedOptionsImpl.java

*** 87,92 ****
--- 87,101 ----
       * SO_FLOW_SLA
       */
      public static native void setFlowOption(FileDescriptor fd, SocketFlow f);
      public static native void getFlowOption(FileDescriptor fd, SocketFlow f);
      public static native boolean flowSupported();
+ 
+     /*
+      * Extension native implementations
+      * 
+      * SO_REUSEPORT
+      */
+     public static native void setReusePortOption(FileDescriptor fd, boolean on);
+     public static native Object getReusePortOption(FileDescriptor fd);
+     public static native boolean reuseportSupported();
  }