src/share/vm/runtime/vm_operations.hpp

@@ -94,10 +94,11 @@
   template(HeapIterateOperation)                  \
   template(ReportJavaOutOfMemory)                 \
   template(JFRCheckpoint)                         \
   template(Exit)                                  \
   template(LinuxDllLoad)                          \
+  template(RotateGCLog)                           \
 
 class VM_Operation: public CHeapObj<mtInternal> {
  public:
   enum Mode {
     _safepoint,       // blocking,        safepoint, vm_op C-heap allocated

@@ -397,6 +398,17 @@
   }
   VMOp_Type type() const { return VMOp_Exit; }
   void doit();
 };
 
+
+class VM_RotateGCLog: public VM_Operation {
+ private:
+  outputStream* _out;
+
+ public:
+  VM_RotateGCLog(outputStream* st) : _out(st) {}
+  VMOp_Type type() const { return VMOp_RotateGCLog; }
+  void doit() { gclog_or_tty->rotate_log(true, _out); }
+};
+
 #endif // SHARE_VM_RUNTIME_VM_OPERATIONS_HPP