src/hotspot/share/gc/shared/taskqueue.hpp

*** 368,377 ****
--- 368,379 ----
  
  class TaskQueueSetSuper {
  public:
    // Returns "true" if some TaskQueue in the set contains a task.
    virtual bool peek() = 0;
+   // Tasks in queue
+   virtual uint tasks() const = 0;
  };
  
  template <MEMFLAGS F> class TaskQueueSetSuperImpl: public CHeapObj<F>, public TaskQueueSetSuper {
  };
  
*** 397,406 ****
--- 399,409 ----
    // Try to steal a task from some other queue than queue_num. It may perform several attempts at doing so.
    // Returns if stealing succeeds, and sets "t" to the stolen task.
    bool steal(uint queue_num, E& t);
  
    bool peek();
+   uint tasks() const;
  
    uint size() const { return _n; }
  };
  
  template<class T, MEMFLAGS F> void
*** 422,431 ****
--- 425,443 ----
        return true;
    }
    return false;
  }
  
+ template<class T, MEMFLAGS F>
+ uint GenericTaskQueueSet<T, F>::tasks() const {
+   uint n = 0;
+   for (uint j = 0; j < _n; j++) {
+     n += _queues[j]->size();
+   }
+   return n; 
+ }
+ 
  // When to terminate from the termination protocol.
  class TerminatorTerminator: public CHeapObj<mtInternal> {
  public:
    virtual bool should_exit_termination() = 0;
  };