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#ifndef V8_MARKING_THREAD_H_
#define V8_MARKING_THREAD_H_

#include "atomicops.h"
#include "flags.h"
#include "platform.h"
#include "v8utils.h"

#include "spaces.h"

#include "heap.h"

namespace v8 {
namespace internal {

class MarkingThread : public Thread {
 public:
  explicit MarkingThread(Isolate* isolate);

  void Run();
  void Stop();
  void StartMarking();
  void WaitForMarkingThread();

  ~MarkingThread() {
    delete start_marking_semaphore_;
    delete end_marking_semaphore_;
    delete stop_semaphore_;
  }

 private:
  Isolate* isolate_;
  Heap* heap_;
  Semaphore* start_marking_semaphore_;
  Semaphore* end_marking_semaphore_;
  Semaphore* stop_semaphore_;
  volatile AtomicWord stop_thread_;
  int id_;
  static Atomic32 id_counter_;
};

} }  // namespace v8::internal

#endif  // V8_MARKING_THREAD_H_