108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
/*
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* Copyright (c) 2002, 2016, 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_GC_PARALLEL_GCTASKTHREAD_HPP
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#define SHARE_VM_GC_PARALLEL_GCTASKTHREAD_HPP
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#include "runtime/thread.hpp"
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// Forward declarations of classes defined here.
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class GCTaskThread;
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class GCTaskTimeStamp;
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// Declarations of classes referenced in this file via pointer.
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class GCTaskManager;
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class GCTaskThread : public WorkerThread {
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friend class GCTaskManager;
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private:
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// Instance state.
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GCTaskManager* _manager; // Manager for worker.
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const uint _processor_id; // Which processor the worker is on.
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GCTaskTimeStamp* _time_stamps;
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uint _time_stamp_index;
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GCTaskTimeStamp* time_stamp_at(uint index);
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bool _is_working; // True if participating in GC tasks
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// Factory create and destroy methods.
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static GCTaskThread* create(GCTaskManager* manager,
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uint which,
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uint processor_id) {
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return new GCTaskThread(manager, which, processor_id);
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}
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public:
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static void destroy(GCTaskThread* manager) {
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if (manager != NULL) {
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delete manager;
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}
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}
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// Methods from Thread.
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bool is_GC_task_thread() const {
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return true;
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}
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virtual void run();
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void print_task_time_stamps();
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protected:
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// Constructor. Clients use factory, but there could be subclasses.
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GCTaskThread(GCTaskManager* manager, uint which, uint processor_id);
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// Destructor: virtual destructor because of virtual methods.
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virtual ~GCTaskThread();
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// Accessors.
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GCTaskManager* manager() const {
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return _manager;
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}
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uint which() const {
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return id();
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}
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uint processor_id() const {
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return _processor_id;
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}
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void set_is_working(bool v) { _is_working = v; }
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};
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class GCTaskTimeStamp : public CHeapObj<mtGC>
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{
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private:
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jlong _entry_time;
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jlong _exit_time;
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char* _name;
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public:
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jlong entry_time() { return _entry_time; }
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jlong exit_time() { return _exit_time; }
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const char* name() const { return (const char*)_name; }
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void set_entry_time(jlong time) { _entry_time = time; }
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void set_exit_time(jlong time) { _exit_time = time; }
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void set_name(char* name) { _name = name; }
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};
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#endif // SHARE_VM_GC_PARALLEL_GCTASKTHREAD_HPP
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