--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/jfr/leakprofiler/emitEventOperation.hpp	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP
+#define SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP
+
+#include "runtime/vm_operations.hpp"
+
+class BFSClosure;
+class EdgeStore;
+class EdgeQueue;
+class JfrThreadData;
+class ObjectSample;
+class ObjectSampler;
+
+// Safepoint operation for emitting object sample events
+class EmitEventOperation : public VM_Operation {
+ private:
+  jlong _cutoff_ticks;
+  bool _emit_all;
+  VMThread* _vm_thread;
+  JfrThreadLocal* _vm_thread_local;
+  ObjectSampler* _object_sampler;
+
+  void write_event(const ObjectSample* sample, EdgeStore* edge_store);
+  int write_events(EdgeStore* edge_store);
+
+ public:
+  EmitEventOperation(jlong cutoff_ticks, bool emit_all) :
+    _cutoff_ticks(cutoff_ticks),
+    _emit_all(emit_all),
+    _vm_thread(NULL),
+    _vm_thread_local(NULL),
+    _object_sampler(NULL) {
+  }
+
+  VMOp_Type type() const {
+    return VMOp_GC_HeapInspection;
+  }
+
+  Mode evaluation_mode() const {
+    return _safepoint;
+  }
+
+  virtual void doit();
+};
+
+#endif // SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP