src/share/vm/memory/sharedHeap.hpp

@@ -111,14 +111,10 @@
   static SharedHeap* _sh;
 
   // A gc policy, controls global gc resource issues
   CollectorPolicy *_collector_policy;
 
-  // See the discussion below, in the specification of the reader function
-  // for this variable.
-  int _strong_roots_parity;
-
   // If we're doing parallel GC, use this gang of threads.
   FlexibleWorkGang* _workers;
 
   // Full initialization is done in a concrete subtype's "initialize"
   // function.

@@ -180,25 +176,23 @@
   //      call to change_strong_roots_parity, and
   //   c) to never return a distinguished value (zero) with which such
   //      task-claiming variables may be initialized, to indicate "never
   //      claimed".
  public:
-  int strong_roots_parity() { return _strong_roots_parity; }
 
   // Call these in sequential code around process_roots.
   // strong_roots_prologue calls change_strong_roots_parity, if
   // parallel tasks are enabled.
   class StrongRootsScope : public MarkingCodeBlobClosure::MarkScope {
     SharedHeap*   _sh;
 
    public:
     StrongRootsScope(SharedHeap* heap, bool activate = true);
+    ~StrongRootsScope();
   };
-  friend class StrongRootsScope;
 
  private:
-  void change_strong_roots_parity();
 
  public:
   FlexibleWorkGang* workers() const { return _workers; }
 
   // The functions below are helper functions that a subclass of