src/share/vm/gc/shared/workgroup.hpp

rev 11389 : 8157620: Guarantee in run_task(task, num_workers) fails
Reviewed-by:
rev 11390 : [mq]: code_review1

*** 168,178 ****
    }
  
    // Add GC workers as needed.
    void add_workers(bool initializing);
  
!   // Add specified number of GC workers
    void add_workers(uint active_workers, bool initializing);
  
    // Return the Ith worker.
    AbstractGangWorker* worker(uint i) const;
  
--- 168,178 ----
    }
  
    // Add GC workers as needed.
    void add_workers(bool initializing);
  
!   // Add GC workers as needed to reach the specified number of workers.
    void add_workers(uint active_workers, bool initializing);
  
    // Return the Ith worker.
    AbstractGangWorker* worker(uint i) const;
  
*** 215,225 ****
  
    // Run a task using the current active number of workers, returns when the task is done.
    virtual void run_task(AbstractGangTask* task);
    // Run a task with the given number of workers, returns
    // when the task is done. The number of workers must be at most the number of
!   // active workers.
    void run_task(AbstractGangTask* task, uint num_workers);
  
  protected:
    virtual AbstractGangWorker* allocate_worker(uint which);
  };
--- 215,226 ----
  
    // Run a task using the current active number of workers, returns when the task is done.
    virtual void run_task(AbstractGangTask* task);
    // Run a task with the given number of workers, returns
    // when the task is done. The number of workers must be at most the number of
!   // active workers.  Additional workers may be created if an insufficient
!   // number currently exists.
    void run_task(AbstractGangTask* task, uint num_workers);
  
  protected:
    virtual AbstractGangWorker* allocate_worker(uint which);
  };