1 /*
2 * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
31 class GCTaskThread;
32 class GCTaskTimeStamp;
33
34 // Declarations of classes referenced in this file via pointer.
35 class GCTaskManager;
36
37 class GCTaskThread : public WorkerThread {
38 friend class GCTaskManager;
39 private:
40 // Instance state.
41 GCTaskManager* _manager; // Manager for worker.
42 const uint _processor_id; // Which processor the worker is on.
43
44 GCTaskTimeStamp* _time_stamps;
45 uint _time_stamp_index;
46
47 GCTaskTimeStamp* time_stamp_at(uint index);
48
49 bool _is_working; // True if participating in GC tasks
50
51 public:
52 // Factory create and destroy methods.
53 static GCTaskThread* create(GCTaskManager* manager,
54 uint which,
55 uint processor_id) {
56 return new GCTaskThread(manager, which, processor_id);
57 }
58 static void destroy(GCTaskThread* manager) {
59 if (manager != NULL) {
60 delete manager;
61 }
62 }
63 // Methods from Thread.
64 bool is_GC_task_thread() const {
65 return true;
66 }
67 virtual void run();
68 // Methods.
69 void start();
70
71 void print_task_time_stamps();
72
73 protected:
74 // Constructor. Clients use factory, but there could be subclasses.
75 GCTaskThread(GCTaskManager* manager, uint which, uint processor_id);
76 // Destructor: virtual destructor because of virtual methods.
77 virtual ~GCTaskThread();
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1 /*
2 * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
31 class GCTaskThread;
32 class GCTaskTimeStamp;
33
34 // Declarations of classes referenced in this file via pointer.
35 class GCTaskManager;
36
37 class GCTaskThread : public WorkerThread {
38 friend class GCTaskManager;
39 private:
40 // Instance state.
41 GCTaskManager* _manager; // Manager for worker.
42 const uint _processor_id; // Which processor the worker is on.
43
44 GCTaskTimeStamp* _time_stamps;
45 uint _time_stamp_index;
46
47 GCTaskTimeStamp* time_stamp_at(uint index);
48
49 bool _is_working; // True if participating in GC tasks
50
51 // Factory create and destroy methods.
52 static GCTaskThread* create(GCTaskManager* manager,
53 uint which,
54 uint processor_id) {
55 return new GCTaskThread(manager, which, processor_id);
56 }
57 public:
58 static void destroy(GCTaskThread* manager) {
59 if (manager != NULL) {
60 delete manager;
61 }
62 }
63 // Methods from Thread.
64 bool is_GC_task_thread() const {
65 return true;
66 }
67 virtual void run();
68 // Methods.
69 void start();
70
71 void print_task_time_stamps();
72
73 protected:
74 // Constructor. Clients use factory, but there could be subclasses.
75 GCTaskThread(GCTaskManager* manager, uint which, uint processor_id);
76 // Destructor: virtual destructor because of virtual methods.
77 virtual ~GCTaskThread();
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