227 

   227 

   228   volatile bool        _scan_in_progress;

   228   volatile bool        _scan_in_progress;

   229   volatile bool        _should_abort;

   229   volatile bool        _should_abort;

   230   HeapRegion* volatile _next_survivor;

   230   HeapRegion* volatile _next_survivor;

   231 

   231 

   232 public:

   234 public:

   233   G1CMRootRegions();

   235   G1CMRootRegions();

   234   // We actually do most of the initialization in this method.

   236   // We actually do most of the initialization in this method.

   235   void init(G1CollectedHeap* g1h, G1ConcurrentMark* cm);

   237   void init(G1CollectedHeap* g1h, G1ConcurrentMark* cm);

   236 

   238 

   245   bool scan_in_progress() { return _scan_in_progress; }

   247   bool scan_in_progress() { return _scan_in_progress; }

   246 

   248 

   247   // Claim the next root region to scan atomically, or return NULL if

   249   // Claim the next root region to scan atomically, or return NULL if

   248   // all have been claimed.

   250   // all have been claimed.

   249   HeapRegion* claim_next();

   251   HeapRegion* claim_next();

   250 

   254 

   251   // Flag that we're done with root region scanning and notify anyone

   255   // Flag that we're done with root region scanning and notify anyone

   252   // who's waiting on it. If aborted is false, assume that all regions

   256   // who's waiting on it. If aborted is false, assume that all regions

   253   // have been claimed.

   257   // have been claimed.

   254   void scan_finished();

   258   void scan_finished();