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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
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 *
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#ifndef SHARE_GC_Z_ZMARKSTACKALLOCATOR_HPP
#define SHARE_GC_Z_ZMARKSTACKALLOCATOR_HPP

#include "gc/z/zArray.hpp"
#include "gc/z/zValue.hpp"
#include "memory/allocation.hpp"
#include "utilities/globalDefinitions.hpp"

class ZMarkStackListNode;

class ZMarkingSMR: public CHeapObj<mtGC> {
private:
  struct ZWorkerState {
    ZMarkStackListNode* volatile _hazard_ptr;
    ZArray<ZMarkStackListNode*>  _scanned_hazards;
    ZArray<ZMarkStackListNode*>  _freeing;
  };

  ZPerWorker<ZWorkerState> _worker_states;
  volatile bool            _expanded_recently;

public:
  ZMarkingSMR();
  void free();
  ZMarkStackListNode* allocate_stack();
  void free_node(ZMarkStackListNode* stack);
  ZMarkStackListNode* volatile* hazard_ptr();
};

#endif // SHARE_GC_Z_ZMARKSTACKALLOCATOR_HPP