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comparison src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright (c) 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 class ConcurrentMarkSweepPolicy : public TwoGenerationCollectorPolicy {
26 protected:
27 void initialize_generations();
28
29 public:
30 ConcurrentMarkSweepPolicy();
31
32 ConcurrentMarkSweepPolicy* as_concurrent_mark_sweep_policy() { return this; }
33
34 void initialize_gc_policy_counters();
35 #if 1
36 virtual void initialize_size_policy(size_t init_eden_size,
37 size_t init_promo_size,
38 size_t init_survivor_size);
39 #endif
40
41 // Returns true if the incremental mode is enabled.
42 virtual bool has_soft_ended_eden();
43 };
44
45 class ASConcurrentMarkSweepPolicy : public ConcurrentMarkSweepPolicy {
46 public:
47
48 // Initialize the jstat counters. This method requires a
49 // size policy. The size policy is expected to be created
50 // after the generations are fully initialized so the
51 // initialization of the counters need to be done post
52 // the initialization of the generations.
53 void initialize_gc_policy_counters();
54
55 virtual CollectorPolicy::Name kind() {
56 return CollectorPolicy::ASConcurrentMarkSweepPolicyKind;
57 }
58 };