src/hotspot/share/gc/g1/g1CollectedHeap.hpp

@@ -548,11 +548,11 @@
 
   WorkGang* workers() const { return _workers; }
 
   // Runs the given AbstractGangTask with the current active workers, returning the
   // total time taken.
-  Tickspan run_task(AbstractGangTask* task);
+  virtual Tickspan run_task(AbstractGangTask* task);
 
   G1Allocator* allocator() {
     return _allocator;
   }
 

@@ -1165,13 +1165,17 @@
     return _card_table;
   }
 
   // Iteration functions.
 
+  void object_iterate_parallel(ObjectClosure* cl, uint worker_id, HeapRegionClaimer* claimer);
+
   // Iterate over all objects, calling "cl.do_object" on each.
   virtual void object_iterate(ObjectClosure* cl);
 
+  virtual ParallelObjectIterator* parallel_object_iterator(uint thread_num);
+
   // Keep alive an object that was loaded with AS_NO_KEEPALIVE.
   virtual void keep_alive(oop obj);
 
   // Iterate over heap regions, in address order, terminating the
   // iteration early if the "do_heap_region" method returns "true".