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

8211718: Supporting multiple concurrent OopStorage iterators

*** 218,228 ****
  
    // Protection for _active_array.
    mutable SingleWriterSynchronizer _protect_active;
  
    // mutable because this gets set even for const iteration.
!   mutable bool _concurrent_iteration_active;
  
    Block* find_block_or_null(const oop* ptr) const;
    void delete_empty_block(const Block& block);
    bool reduce_deferred_updates();
  
--- 218,228 ----
  
    // Protection for _active_array.
    mutable SingleWriterSynchronizer _protect_active;
  
    // mutable because this gets set even for const iteration.
!   mutable int _concurrent_iteration_active;
  
    Block* find_block_or_null(const oop* ptr) const;
    void delete_empty_block(const Block& block);
    bool reduce_deferred_updates();