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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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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

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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#ifndef SHARE_VM_GC_G1_G1EVACFAILURE_HPP

#define SHARE_VM_GC_G1_G1EVACFAILURE_HPP

#include "gc/g1/g1OopClosures.hpp"

#include "gc/g1/heapRegionManager.hpp"

#include "gc/shared/workgroup.hpp"

#include "utilities/globalDefinitions.hpp"

class G1CollectedHeap;

class OopAndMarkOop {

  oop _o;

  markOop _m;

 public:

  OopAndMarkOop(oop obj, markOop m) : _o(obj), _m(m) {

  }

  void set_mark() {

    _o->set_mark(_m);

  }

};

typedef Stack<OopAndMarkOop,mtGC> OopAndMarkOopStack;

// Task to fixup self-forwarding pointers

// installed as a result of an evacuation failure.

class G1ParRemoveSelfForwardPtrsTask: public AbstractGangTask {

protected:

  G1CollectedHeap* _g1h;

  HeapRegionClaimer _hrclaimer;

public:

  G1ParRemoveSelfForwardPtrsTask();

  void work(uint worker_id);

};

class G1RestorePreservedMarksTask : public AbstractGangTask {

  OopAndMarkOopStack* _preserved_objs;

 public:

  G1RestorePreservedMarksTask(OopAndMarkOopStack* preserved_objs);

  void work(uint worker_id);

};

#endif // SHARE_VM_GC_G1_G1EVACFAILURE_HPP