0
|
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 // Trim our work_queue so its length is below max at return
|
|
26 inline void Par_MarkRefsIntoAndScanClosure::trim_queue(uint max) {
|
|
27 while (_work_queue->size() > max) {
|
|
28 oop newOop;
|
|
29 if (_work_queue->pop_local(newOop)) {
|
|
30 assert(newOop->is_oop(), "Expected an oop");
|
|
31 assert(_bit_map->isMarked((HeapWord*)newOop),
|
|
32 "only grey objects on this stack");
|
|
33 // iterate over the oops in this oop, marking and pushing
|
|
34 // the ones in CMS heap (i.e. in _span).
|
|
35 newOop->oop_iterate(&_par_pushAndMarkClosure);
|
|
36 }
|
|
37 }
|
|
38 }
|
|
39
|
935
|
40 #ifndef PRODUCT
|
|
41 void KlassRememberingOopClosure::check_remember_klasses() const {
|
|
42 assert(_should_remember_klasses == must_remember_klasses(),
|
|
43 "Should remember klasses in this context.");
|
|
44 }
|
|
45 #endif
|
|
46
|
|
47 void KlassRememberingOopClosure::remember_klass(Klass* k) {
|
|
48 if (!_revisit_stack->push(oop(k))) {
|
0
|
49 fatal("Revisit stack overflow in PushOrMarkClosure");
|
|
50 }
|
935
|
51 check_remember_klasses();
|
0
|
52 }
|
|
53
|
941
|
54 inline void PushOrMarkClosure::remember_mdo(DataLayout* v) {
|
|
55 // TBD
|
|
56 }
|
|
57
|
|
58
|
935
|
59 void Par_KlassRememberingOopClosure::remember_klass(Klass* k) {
|
0
|
60 if (!_revisit_stack->par_push(oop(k))) {
|
941
|
61 fatal("Revisit stack overflow in Par_KlassRememberingOopClosure");
|
0
|
62 }
|
935
|
63 check_remember_klasses();
|
0
|
64 }
|
|
65
|
941
|
66 inline void Par_PushOrMarkClosure::remember_mdo(DataLayout* v) {
|
|
67 // TBD
|
|
68 }
|
|
69
|
0
|
70 inline void PushOrMarkClosure::do_yield_check() {
|
|
71 _parent->do_yield_check();
|
|
72 }
|
|
73
|
|
74 inline void Par_PushOrMarkClosure::do_yield_check() {
|
|
75 _parent->do_yield_check();
|
|
76 }
|