src/hotspot/share/gc/g1/g1VMOperations.hpp

rev 53920 : imported patch 8218880-g1-crashes-periodic-gc-gclocker
rev 53921 : [mq]: 8218880-shade-review

*** 33,57 ****
  //   - VM_G1Concurrent
  //   - VM_G1CollectForAllocation
  //   - VM_G1CollectFull
  
  class VM_G1CollectFull : public VM_GC_Operation {
!   bool _pause_succeeded;
  
  public:
    VM_G1CollectFull(uint gc_count_before,
                     uint full_gc_count_before,
                     GCCause::Cause cause) :
      VM_GC_Operation(gc_count_before, cause, full_gc_count_before, true),
!     _pause_succeeded(false) { }
    virtual VMOp_Type type() const { return VMOp_G1CollectFull; }
    virtual void doit();
!   bool pause_succeeded() { return _pause_succeeded; }
  };
  
  class VM_G1CollectForAllocation : public VM_CollectForAllocation {
!   bool         _pause_succeeded;
  
    bool         _should_initiate_conc_mark;
    bool         _should_retry_gc;
    double       _target_pause_time_ms;
    uint         _old_marking_cycles_completed_before;
--- 33,57 ----
  //   - VM_G1Concurrent
  //   - VM_G1CollectForAllocation
  //   - VM_G1CollectFull
  
  class VM_G1CollectFull : public VM_GC_Operation {
!   bool _gc_succeeded;
  
  public:
    VM_G1CollectFull(uint gc_count_before,
                     uint full_gc_count_before,
                     GCCause::Cause cause) :
      VM_GC_Operation(gc_count_before, cause, full_gc_count_before, true),
!     _gc_succeeded(false) { }
    virtual VMOp_Type type() const { return VMOp_G1CollectFull; }
    virtual void doit();
!   bool gc_succeeded() { return _gc_succeeded; }
  };
  
  class VM_G1CollectForAllocation : public VM_CollectForAllocation {
!   bool _gc_succeeded;
  
    bool _should_initiate_conc_mark;
    bool _should_retry_gc;
    double _target_pause_time_ms;
    uint  _old_marking_cycles_completed_before;
*** 65,75 ****
    virtual VMOp_Type type() const { return VMOp_G1CollectForAllocation; }
    virtual bool doit_prologue();
    virtual void doit();
    virtual void doit_epilogue();
    bool should_retry_gc() const { return _should_retry_gc; }
!   bool pause_succeeded() { return _pause_succeeded; }
  };
  
  // Concurrent G1 stop-the-world operations such as remark and cleanup.
  class VM_G1Concurrent : public VM_Operation {
    VoidClosure* _cl;
--- 65,75 ----
    virtual VMOp_Type type() const { return VMOp_G1CollectForAllocation; }
    virtual bool doit_prologue();
    virtual void doit();
    virtual void doit_epilogue();
    bool should_retry_gc() const { return _should_retry_gc; }
!   bool gc_succeeded() { return _gc_succeeded; }
  };
  
  // Concurrent G1 stop-the-world operations such as remark and cleanup.
  class VM_G1Concurrent : public VM_Operation {
    VoidClosure* _cl;