--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/jfr/recorder/service/jfrRecorderService.hpp	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2016, 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_JFR_RECORDER_SERVICE_JFRRECORDERSERVICE_HPP
+#define SHARE_VM_JFR_RECORDER_SERVICE_JFRRECORDERSERVICE_HPP
+
+#include "jfr/utilities/jfrAllocation.hpp"
+
+class JfrCheckpointManager;
+class JfrChunkWriter;
+class JfrRepository;
+class JfrStackTraceRepository;
+class JfrStorage;
+class JfrStringPool;
+
+class JfrRecorderService : public StackObj {
+ private:
+  JfrCheckpointManager& _checkpoint_manager;
+  JfrChunkWriter& _chunkwriter;
+  JfrRepository& _repository;
+  JfrStackTraceRepository& _stack_trace_repository;
+  JfrStorage& _storage;
+  JfrStringPool& _string_pool;
+
+  void open_new_chunk(bool vm_error = false);
+  void chunk_rotation();
+  void in_memory_rotation();
+  void serialize_storage_from_in_memory_recording();
+  void finalize_current_chunk();
+  void finalize_current_chunk_on_vm_error();
+  void prepare_for_vm_error_rotation();
+  void vm_error_rotation();
+
+  void clear();
+  void pre_safepoint_clear();
+  void safepoint_clear();
+  void invoke_safepoint_clear();
+  void post_safepoint_clear();
+
+  void write();
+  void pre_safepoint_write();
+  void safepoint_write();
+  void invoke_safepoint_write();
+  void post_safepoint_write();
+
+ public:
+  JfrRecorderService();
+  void start();
+  void rotate(int msgs);
+  void process_full_buffers();
+  void scavenge();
+  void evaluate_chunk_size_for_rotation();
+  static bool is_recording();
+};
+
+#endif // SHARE_VM_JFR_RECORDER_SERVICE_JFRRECORDERSERVICE_HPP