apetushkov@9858: /*
apetushkov@9858:  * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
apetushkov@9858:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
apetushkov@9858:  *
apetushkov@9858:  * This code is free software; you can redistribute it and/or modify it
apetushkov@9858:  * under the terms of the GNU General Public License version 2 only, as
apetushkov@9858:  * published by the Free Software Foundation.
apetushkov@9858:  *
apetushkov@9858:  * This code is distributed in the hope that it will be useful, but WITHOUT
apetushkov@9858:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
apetushkov@9858:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
apetushkov@9858:  * version 2 for more details (a copy is included in the LICENSE file that
apetushkov@9858:  * accompanied this code).
apetushkov@9858:  *
apetushkov@9858:  * You should have received a copy of the GNU General Public License version
apetushkov@9858:  * 2 along with this work; if not, write to the Free Software Foundation,
apetushkov@9858:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
apetushkov@9858:  *
apetushkov@9858:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
apetushkov@9858:  * or visit www.oracle.com if you need additional information or have any
apetushkov@9858:  * questions.
apetushkov@9858:  *
apetushkov@9858:  */
apetushkov@9858: 
apetushkov@9858: #ifndef SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP
apetushkov@9858: #define SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP
apetushkov@9858: 
apetushkov@9858: #include "jni.h"
apetushkov@9858: #include "jfr/utilities/jfrAllocation.hpp"
apetushkov@9858: #include "jfr/utilities/jfrTypes.hpp"
apetushkov@9858: 
apetushkov@9858: class JfrCheckpointWriter;
apetushkov@9858: template <typename>
apetushkov@9858: class GrowableArray;
apetushkov@9858: class JfrThreadGroupsHelper;
apetushkov@9858: class JfrThreadGroupPointers;
apetushkov@9858: 
apetushkov@9858: class JfrThreadGroup : public JfrCHeapObj {
apetushkov@9858:   friend class JfrCheckpointThreadClosure;
apetushkov@9858:  private:
apetushkov@9858:   static JfrThreadGroup* _instance;
apetushkov@9858:   class JfrThreadGroupEntry;
apetushkov@9858:   GrowableArray<JfrThreadGroupEntry*>* _list;
apetushkov@9858: 
apetushkov@9858:   JfrThreadGroup();
apetushkov@9858:   JfrThreadGroupEntry* find_entry(const JfrThreadGroupPointers& ptrs) const;
apetushkov@9858:   JfrThreadGroupEntry* new_entry(JfrThreadGroupPointers& ptrs);
apetushkov@9858:   int add_entry(JfrThreadGroupEntry* const tge);
apetushkov@9858: 
apetushkov@9858:   void write_thread_group_entries(JfrCheckpointWriter& writer) const;
apetushkov@9858:   void write_selective_thread_group(JfrCheckpointWriter* writer, traceid thread_group_id) const;
apetushkov@9858: 
apetushkov@9858:   static traceid thread_group_id_internal(JfrThreadGroupsHelper& helper);
apetushkov@9858:   static JfrThreadGroup* instance();
apetushkov@9858:   static void set_instance(JfrThreadGroup* new_instance);
apetushkov@9858: 
apetushkov@9858:  public:
apetushkov@9858:   ~JfrThreadGroup();
apetushkov@9858:   static void serialize(JfrCheckpointWriter& w);
apetushkov@9858:   static void serialize(JfrCheckpointWriter* w, traceid thread_group_id);
apetushkov@9858:   static traceid thread_group_id(JavaThread* thread);
apetushkov@9858:   static traceid thread_group_id(const JavaThread* thread, Thread* current);
apetushkov@9858: };
apetushkov@9858: 
apetushkov@9858: #endif // SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP