| /* |
| * 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_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP |
| #define SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP |
| |
| #include "jni.h" |
| #include "jfr/utilities/jfrAllocation.hpp" |
| #include "jfr/utilities/jfrTypes.hpp" |
| |
| class JfrCheckpointWriter; |
| template <typename> |
| class GrowableArray; |
| class JfrThreadGroupsHelper; |
| class JfrThreadGroupPointers; |
| |
| class JfrThreadGroup : public JfrCHeapObj { |
| friend class JfrCheckpointThreadClosure; |
| private: |
| static JfrThreadGroup* _instance; |
| class JfrThreadGroupEntry; |
| GrowableArray<JfrThreadGroupEntry*>* _list; |
| |
| JfrThreadGroup(); |
| JfrThreadGroupEntry* find_entry(const JfrThreadGroupPointers& ptrs) const; |
| JfrThreadGroupEntry* new_entry(JfrThreadGroupPointers& ptrs); |
| int add_entry(JfrThreadGroupEntry* const tge); |
| |
| void write_thread_group_entries(JfrCheckpointWriter& writer) const; |
| void write_selective_thread_group(JfrCheckpointWriter* writer, traceid thread_group_id) const; |
| |
| static traceid thread_group_id_internal(JfrThreadGroupsHelper& helper); |
| static JfrThreadGroup* instance(); |
| static void set_instance(JfrThreadGroup* new_instance); |
| |
| public: |
| ~JfrThreadGroup(); |
| static void serialize(JfrCheckpointWriter& w); |
| static void serialize(JfrCheckpointWriter* w, traceid thread_group_id); |
| static traceid thread_group_id(JavaThread* thread); |
| static traceid thread_group_id(const JavaThread* thread, Thread* current); |
| }; |
| |
| #endif // SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP |