src/share/vm/gc/g1/dirtyCardQueue.hpp

rev 10742 : Make fields used in lock-free algorithms volatile

*** 35,45 ****
  // require these closure objects to be stack-allocated.
  class CardTableEntryClosure: public CHeapObj<mtGC> {
  public:
    // Process the card whose card table entry is "card_ptr".  If returns
    // "false", terminate the iteration early.
!   virtual bool do_card_ptr(jbyte* card_ptr, uint worker_i) = 0;
  };
  
  // A ptrQueue whose elements are "oops", pointers to object heads.
  class DirtyCardQueue: public PtrQueue {
  public:
--- 35,45 ----
  // require these closure objects to be stack-allocated.
  class CardTableEntryClosure: public CHeapObj<mtGC> {
  public:
    // Process the card whose card table entry is "card_ptr".  If returns
    // "false", terminate the iteration early.
!   virtual bool do_card_ptr(volatile jbyte* card_ptr, uint worker_i) = 0;
  };
  
  // A ptrQueue whose elements are "oops", pointers to object heads.
  class DirtyCardQueue: public PtrQueue {
  public: