src/share/vm/memory/universe.hpp

rev 11747 : [mq]: per.hotspot.patch
rev 11748 : imported patch pop_pl

*** 183,192 ****
--- 183,195 ----
    // the vm thread.
    static oop          _vm_exception;
  
    static oop          _allocation_context_notification_obj;
  
+   // References waiting to be transferred to the ReferenceHandler
+   static oop          _reference_pending_list;
+ 
    // The particular choice of collected heap.
    static CollectedHeap* _collectedHeap;
  
    static intptr_t _non_oop_bits;
  
*** 332,341 ****
--- 335,355 ----
    static oop          vm_exception()                  { return _vm_exception; }
  
    static inline oop   allocation_context_notification_obj();
    static inline void  set_allocation_context_notification_obj(oop obj);
  
+   // Reference pending list manipulation.  Access is protected by
+   // Heap_lock.  The getter, setter and predicate require the caller
+   // owns the lock.  Swap is used by parallel non-concurrent reference
+   // processing threads, where some higher level controller owns
+   // Heap_lock, so requires the lock is locked, but not necessarily by
+   // the current thread.
+   static oop          reference_pending_list();
+   static void         set_reference_pending_list(oop list);
+   static bool         has_reference_pending_list();
+   static oop          swap_reference_pending_list(oop list);
+ 
    static Array<int>*       the_empty_int_array()    { return _the_empty_int_array; }
    static Array<u2>*        the_empty_short_array()  { return _the_empty_short_array; }
    static Array<Method*>* the_empty_method_array() { return _the_empty_method_array; }
    static Array<Klass*>*  the_empty_klass_array()  { return _the_empty_klass_array; }