1 /*
2 * Copyright (c) 1998, 2010, 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 *
84 inline bool ObjectMonitor::check(TRAPS) {
85 if (THREAD != _owner) {
86 if (THREAD->is_lock_owned((address) _owner)) {
87 _owner = THREAD; // regain ownership of inflated monitor
88 OwnerIsThread = 1 ;
89 assert (_recursions == 0, "invariant") ;
90 } else {
91 check_slow(THREAD);
92 return false;
93 }
94 }
95 return true;
96 }
97
98
99 // return number of threads contending for this monitor
100 inline intptr_t ObjectMonitor::contentions() const {
101 return _count;
102 }
103
104 inline void ObjectMonitor::set_owner(void* owner) {
105 _owner = owner;
106 _recursions = 0;
107 _count = 0;
108 }
109
110
111 #endif // SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP
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1 /*
2 * Copyright (c) 1998, 2012, 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 *
84 inline bool ObjectMonitor::check(TRAPS) {
85 if (THREAD != _owner) {
86 if (THREAD->is_lock_owned((address) _owner)) {
87 _owner = THREAD; // regain ownership of inflated monitor
88 OwnerIsThread = 1 ;
89 assert (_recursions == 0, "invariant") ;
90 } else {
91 check_slow(THREAD);
92 return false;
93 }
94 }
95 return true;
96 }
97
98
99 // return number of threads contending for this monitor
100 inline intptr_t ObjectMonitor::contentions() const {
101 return _count;
102 }
103
104 // Do NOT set _count = 0. There is a race such that _count could
105 // be set while inflating prior to setting _owner
106 // Just use Atomic::inc/dec and assert 0 when monitor put on free list
107 inline void ObjectMonitor::set_owner(void* owner) {
108 _owner = owner;
109 _recursions = 0;
110 }
111
112
113 #endif // SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP
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