137 

   137 

   138  private:

   138  private:

   139   friend class ObjectSynchronizer;

   139   friend class ObjectSynchronizer;

   140   friend class ObjectWaiter;

   140   friend class ObjectWaiter;

   141   friend class VMStructs;

   141   friend class VMStructs;

   142 

   143 

   143   volatile markOop   _header;       // displaced object header word - mark

   144   volatile markOop   _header;       // displaced object header word - mark

   144   void*     volatile _object;       // backward object pointer - strong root

   145   void*     volatile _object;       // backward object pointer - strong root

   145  public:

   146  public:

   146   ObjectMonitor*     FreeNext;      // Free list linkage

   147   ObjectMonitor*     FreeNext;      // Free list linkage