144     VMOp_Terminating

   144     VMOp_Terminating

   145   };

   145   };

   146 

   146 

   147  private:

   147  private:

   148   Thread*         _calling_thread;

   148   Thread*         _calling_thread;

   150   long            _timestamp;

   149   long            _timestamp;

   151   VM_Operation*   _next;

   150   VM_Operation*   _next;

   152   VM_Operation*   _prev;

   151   VM_Operation*   _prev;

   153 

   152 

   154   // The VM operation name array

   153   // The VM operation name array

   158   VM_Operation()  { _calling_thread = NULL; _next = NULL; _prev = NULL; }

   157   VM_Operation()  { _calling_thread = NULL; _next = NULL; _prev = NULL; }

   159   virtual ~VM_Operation() {}

   158   virtual ~VM_Operation() {}

   160 

   159 

   161   // VM operation support (used by VM thread)

   160   // VM operation support (used by VM thread)

   162   Thread* calling_thread() const                 { return _calling_thread; }

   161   Thread* calling_thread() const                 { return _calling_thread; }

   165 

   163 

   166   long timestamp() const              { return _timestamp; }

   164   long timestamp() const              { return _timestamp; }

   167   void set_timestamp(long timestamp)  { _timestamp = timestamp; }

   165   void set_timestamp(long timestamp)  { _timestamp = timestamp; }

   168 

   166 

   169   // Called by VM thread - does in turn invoke doit(). Do not override this

   167   // Called by VM thread - does in turn invoke doit(). Do not override this