src/hotspot/share/runtime/vm_operations.hpp

rev 47794 : Port 09.17.Thread_SMR_logging_update from JDK9 to JDK10

*** 390,402 ****
  class VM_FindDeadlocks: public VM_Operation {
   private:
    bool           _concurrent_locks;
    DeadlockCycle* _deadlocks;
    outputStream*  _out;
  
   public:
!   VM_FindDeadlocks(bool concurrent_locks) :  _concurrent_locks(concurrent_locks), _out(NULL), _deadlocks(NULL) {};
    VM_FindDeadlocks(outputStream* st) : _concurrent_locks(true), _out(st), _deadlocks(NULL) {};
    ~VM_FindDeadlocks();
  
    DeadlockCycle* result()      { return _deadlocks; };
    VMOp_Type type() const       { return VMOp_FindDeadlocks; }
--- 390,404 ----
  class VM_FindDeadlocks: public VM_Operation {
   private:
    bool              _concurrent_locks;
    DeadlockCycle*    _deadlocks;
    outputStream*     _out;
+   ThreadsListSetter _setter;  // Helper to set hazard ptr in the originating thread
+                               // which protects the JavaThreads in _deadlocks.
  
   public:
!   VM_FindDeadlocks(bool concurrent_locks) :  _concurrent_locks(concurrent_locks), _out(NULL), _deadlocks(NULL), _setter() {};
    VM_FindDeadlocks(outputStream* st) : _concurrent_locks(true), _out(st), _deadlocks(NULL) {};
    ~VM_FindDeadlocks();
  
    DeadlockCycle* result()               { return _deadlocks; };
    VMOp_Type type() const                { return VMOp_FindDeadlocks; }