Mercurial > hg > graal-compiler

comparison src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp @ 0:a61af66fc99e jdk7-b24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
comparison
equal deleted inserted replaced
-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2002-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 // Forward declarations of classes defined here.
26 class GCTaskThread;
27 class GCTaskTimeStamp;
28
29 // Declarations of classes referenced in this file via pointer.
30 class GCTaskManager;
31
32 class GCTaskThread : public WorkerThread {
33 private:
34 // Instance state.
35 GCTaskManager* _manager; // Manager for worker.
36 const uint _processor_id; // Which processor the worker is on.
37
38 GCTaskTimeStamp* _time_stamps;
39 uint _time_stamp_index;
40
41 GCTaskTimeStamp* time_stamp_at(uint index);
42
43 public:
44 // Factory create and destroy methods.
45 static GCTaskThread* create(GCTaskManager* manager,
46 uint which,
47 uint processor_id) {
48 return new GCTaskThread(manager, which, processor_id);
49 }
50 static void destroy(GCTaskThread* manager) {
51 if (manager != NULL) {
52 delete manager;
53 }
54 }
55 // Methods from Thread.
56 bool is_GC_task_thread() const {
57 return true;
58 }
59 virtual void run();
60 // Methods.
61 void start();
62
63 void print_task_time_stamps();
64 void print_on(outputStream* st) const;
65 void print() const { print_on(tty); }
66
67 protected:
68 // Constructor. Clients use factory, but there could be subclasses.
69 GCTaskThread(GCTaskManager* manager, uint which, uint processor_id);
70 // Destructor: virtual destructor because of virtual methods.
71 virtual ~GCTaskThread();
72 // Accessors.
73 GCTaskManager* manager() const {
74 return _manager;
75 }
76 uint which() const {
77 return id();
78 }
79 uint processor_id() const {
80 return _processor_id;
81 }
82 };
83
84 class GCTaskTimeStamp : public CHeapObj
85 {
86 private:
87 jlong _entry_time;
88 jlong _exit_time;
89 char* _name;
90
91 public:
92 jlong entry_time() { return _entry_time; }
93 jlong exit_time() { return _exit_time; }
94 const char* name() const { return (const char*)_name; }
95
96 void set_entry_time(jlong time) { _entry_time = time; }
97 void set_exit_time(jlong time) { _exit_time = time; }
98 void set_name(char* name) { _name = name; }
99 };