src/hotspot/share/runtime/serviceThread.hpp
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
changeset 47216 71c04702a3d5
parent 8110 hotspot/src/share/vm/runtime/serviceThread.hpp@c992c8d52344
child 53244 9807daeb47c4
permissions -rw-r--r--
8187443: Forest Consolidation: Move files to unified layout Reviewed-by: darcy, ihse
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/*
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 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_RUNTIME_SERVICETHREAD_HPP
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#define SHARE_VM_RUNTIME_SERVICETHREAD_HPP
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#include "runtime/thread.hpp"
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// A JavaThread for low memory detection support and JVMTI
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// compiled-method-load events.
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class ServiceThread : public JavaThread {
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  friend class VMStructs;
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 private:
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  static ServiceThread* _instance;
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  static void service_thread_entry(JavaThread* thread, TRAPS);
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  ServiceThread(ThreadFunction entry_point) : JavaThread(entry_point) {};
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 public:
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  static void initialize();
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  // Hide this thread from external view.
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  bool is_hidden_from_external_view() const      { return true; }
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  // Returns true if the passed thread is the service thread.
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  static bool is_service_thread(Thread* thread);
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};
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#endif // SHARE_VM_RUNTIME_SERVICETHREAD_HPP