Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/objectMonitor.inline.hpp @ 1782:f353275af40e
6981773: incorrect fill value with OptimizeFill
Reviewed-by: kvn, twisti
author | never |
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date | Thu, 02 Sep 2010 11:40:02 -0700 |
parents | c18cbe5936b8 |
children | fa83ab460c54 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 inline intptr_t ObjectMonitor::is_entered(TRAPS) const { | |
26 if (THREAD == _owner || THREAD->is_lock_owned((address) _owner)) { | |
27 return 1; | |
28 } | |
29 return 0; | |
30 } | |
31 | |
32 inline markOop ObjectMonitor::header() const { | |
33 return _header; | |
34 } | |
35 | |
36 inline void ObjectMonitor::set_header(markOop hdr) { | |
37 _header = hdr; | |
38 } | |
39 | |
40 inline intptr_t ObjectMonitor::count() const { | |
41 return _count; | |
42 } | |
43 | |
44 inline void ObjectMonitor::set_count(intptr_t count) { | |
45 _count= count; | |
46 } | |
47 | |
48 inline intptr_t ObjectMonitor::waiters() const { | |
49 return _waiters; | |
50 } | |
51 | |
52 inline void* ObjectMonitor::owner() const { | |
53 return _owner; | |
54 } | |
55 | |
56 inline void ObjectMonitor::clear() { | |
57 assert(_header, "Fatal logic error in ObjectMonitor header!"); | |
58 assert(_count == 0, "Fatal logic error in ObjectMonitor count!"); | |
59 assert(_waiters == 0, "Fatal logic error in ObjectMonitor waiters!"); | |
60 assert(_recursions == 0, "Fatal logic error in ObjectMonitor recursions!"); | |
61 assert(_object, "Fatal logic error in ObjectMonitor object!"); | |
62 assert(_owner == 0, "Fatal logic error in ObjectMonitor owner!"); | |
63 | |
64 _header = NULL; | |
65 _object = NULL; | |
66 } | |
67 | |
68 | |
69 inline void* ObjectMonitor::object() const { | |
70 return _object; | |
71 } | |
72 | |
73 inline void* ObjectMonitor::object_addr() { | |
74 return (void *)(&_object); | |
75 } | |
76 | |
77 inline void ObjectMonitor::set_object(void* obj) { | |
78 _object = obj; | |
79 } | |
80 | |
81 inline bool ObjectMonitor::check(TRAPS) { | |
82 if (THREAD != _owner) { | |
83 if (THREAD->is_lock_owned((address) _owner)) { | |
84 _owner = THREAD; // regain ownership of inflated monitor | |
85 OwnerIsThread = 1 ; | |
86 assert (_recursions == 0, "invariant") ; | |
87 } else { | |
88 check_slow(THREAD); | |
89 return false; | |
90 } | |
91 } | |
92 return true; | |
93 } | |
94 | |
95 | |
96 // return number of threads contending for this monitor | |
97 inline intptr_t ObjectMonitor::contentions() const { | |
98 return _count; | |
99 } | |
100 | |
101 inline void ObjectMonitor::set_owner(void* owner) { | |
102 _owner = owner; | |
103 _recursions = 0; | |
104 _count = 0; | |
105 } | |
106 | |
107 | |
108 // here are the platform-dependent bodies: | |
109 | |
110 # include "incls/_objectMonitor_pd.inline.hpp.incl" |