92   template(HeapWalkOperation)                     \

    92   template(HeapWalkOperation)                     \

    93   template(HeapIterateOperation)                  \

    93   template(HeapIterateOperation)                  \

    94   template(ReportJavaOutOfMemory)                 \

    94   template(ReportJavaOutOfMemory)                 \

    95   template(JFRCheckpoint)                         \

    95   template(JFRCheckpoint)                         \

    96   template(Exit)                                  \

    96   template(Exit)                                  \

    97 

    98 

    98 class VM_Operation: public CHeapObj<mtInternal> {

    99 class VM_Operation: public CHeapObj<mtInternal> {

    99  public:

   100  public:

   100   enum Mode {

   101   enum Mode {

   101     _safepoint,       // blocking,        safepoint, vm_op C-heap allocated

   102     _safepoint,       // blocking,        safepoint, vm_op C-heap allocated