1 /*
2 * Copyright (c) 2024, 2025, 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 *
23 */
24
25 #ifndef SHARE_RUNTIME_SYNCHRONIZER_INLINE_HPP
26 #define SHARE_RUNTIME_SYNCHRONIZER_INLINE_HPP
27
28 #include "runtime/synchronizer.hpp"
29
30 #include "runtime/lightweightSynchronizer.hpp"
31 #include "runtime/safepointVerifiers.hpp"
32
33 inline ObjectMonitor* ObjectSynchronizer::read_monitor(markWord mark) {
34 return mark.monitor();
35 }
36
37 inline ObjectMonitor* ObjectSynchronizer::read_monitor(Thread* current, oop obj, markWord mark) {
38 if (!UseObjectMonitorTable) {
39 return read_monitor(mark);
40 } else {
41 return LightweightSynchronizer::get_monitor_from_table(current, obj);
42 }
43 }
44
45 inline void ObjectSynchronizer::enter(Handle obj, BasicLock* lock, JavaThread* current) {
46 assert(current == Thread::current(), "must be");
47
48 LightweightSynchronizer::enter(obj, lock, current);
49 }
50
51 inline bool ObjectSynchronizer::quick_enter(oop obj, BasicLock* lock, JavaThread* current) {
52 assert(current->thread_state() == _thread_in_Java, "invariant");
53 NoSafepointVerifier nsv;
54 if (obj == nullptr) return false; // Need to throw NPE
55
56 if (obj->klass()->is_value_based()) {
57 return false;
58 }
59
60 return LightweightSynchronizer::quick_enter(obj, lock, current);
61 }
62
63 inline void ObjectSynchronizer::exit(oop object, BasicLock* lock, JavaThread* current) {
64 LightweightSynchronizer::exit(object, lock, current);
65 }
66
67 #endif // SHARE_RUNTIME_SYNCHRONIZER_INLINE_HPP