src/share/vm/gc_interface/collectedHeap.hpp

*** 78,87 ****
--- 78,88 ----
  // CollectedHeap
  //   SharedHeap
  //     GenCollectedHeap
  //     G1CollectedHeap
  //   ParallelScavengeHeap
+ //   ShenandoahHeap
  //
  class CollectedHeap : public CHeapObj<mtInternal> {
    friend class VMStructs;
    friend class IsGCActiveMark; // Block structured external access to _is_gc_active
  
*** 186,196 ****
    enum Name {
      Abstract,
      SharedHeap,
      GenCollectedHeap,
      ParallelScavengeHeap,
!     G1CollectedHeap
    };
  
    static inline size_t filler_array_max_size() {
      return _filler_array_max_size;
    }
--- 187,198 ----
    enum Name {
      Abstract,
      SharedHeap,
      GenCollectedHeap,
      ParallelScavengeHeap,
!     G1CollectedHeap,
!     ShenandoahHeap
    };
  
    static inline size_t filler_array_max_size() {
      return _filler_array_max_size;
    }
*** 604,613 ****
--- 606,628 ----
    void trace_heap_after_gc(GCTracer* gc_tracer);
  
    // Heap verification
    virtual void verify(bool silent, VerifyOption option) = 0;
  
+   // Shut down all GC workers and other GC related threads.
+   virtual void shutdown();
+ 
+   // Accumulate additional statistics from GCLABs.
+   virtual void accumulate_statistics_all_gclabs();
+ 
+   // Support for object pinning. This is used by JNI Get*Critical()
+   // and Release*Critical() family of functions. If supported, the GC
+   // must guarantee that pinned objects never move.
+   virtual bool supports_object_pinning() const;
+   virtual oop pin_object(JavaThread* thread, oop obj);
+   virtual void unpin_object(JavaThread* thread, oop obj);
+ 
    // Non product verification and debugging.
  #ifndef PRODUCT
    // Support for PromotionFailureALot.  Return true if it's time to cause a
    // promotion failure.  The no-argument version uses
    // this->_promotion_failure_alot_count as the counter.