author | mikael |
Tue, 09 Oct 2012 10:09:34 -0700 | |
changeset 13963 | e5b53c306fb5 |
parent 13195 | be27e1b6a4b9 |
child 24331 | c0bc7e5653fb |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002, 2012, 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_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP |
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#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_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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public: |
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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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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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// Methods. |
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void start(); |
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void print_task_time_stamps(); |
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void print_on(outputStream* st) const; |
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void print() const { print_on(tty); } |
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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_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP |