Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- a/src/share/vm/memory/referencePolicy.hpp	Thu Nov 20 12:27:41 2008 -0800
     1.2 +++ b/src/share/vm/memory/referencePolicy.hpp	Thu Nov 20 16:56:09 2008 -0800
     1.3 @@ -26,9 +26,11 @@
     1.4  // should be cleared.
     1.5  
     1.6  
     1.7 -class ReferencePolicy : public ResourceObj {
     1.8 +class ReferencePolicy : public CHeapObj {
     1.9   public:
    1.10    virtual bool should_clear_reference(oop p)       { ShouldNotReachHere(); return true; }
    1.11 +  // Capture state (of-the-VM) information needed to evaluate the policy
    1.12 +  virtual void snap() { /* do nothing */ }
    1.13  };
    1.14  
    1.15  class NeverClearPolicy : public ReferencePolicy {
    1.16 @@ -48,6 +50,8 @@
    1.17   public:
    1.18    LRUCurrentHeapPolicy();
    1.19  
    1.20 +  // Capture state (of-the-VM) information needed to evaluate the policy
    1.21 +  void snap();
    1.22    bool should_clear_reference(oop p);
    1.23  };
    1.24  
    1.25 @@ -58,5 +62,7 @@
    1.26   public:
    1.27    LRUMaxHeapPolicy();
    1.28  
    1.29 +  // Capture state (of-the-VM) information needed to evaluate the policy
    1.30 +  void snap();
    1.31    bool should_clear_reference(oop p);
    1.32  };