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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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) {
38   return ObjectSynchronizer::read_monitor(current, obj, obj->mark());
39 }
40 
41 inline ObjectMonitor* ObjectSynchronizer::read_monitor(Thread* current, oop obj, markWord mark) {
42   if (!UseObjectMonitorTable) {
43     return read_monitor(mark);
44   } else {
45     return LightweightSynchronizer::get_monitor_from_table(current, obj);
46   }
47 }
48 
49 inline void ObjectSynchronizer::enter(Handle obj, BasicLock* lock, JavaThread* current) {
50   assert(current == Thread::current(), "must be");
51 
52   LightweightSynchronizer::enter(obj, lock, current);
53 }
54 
55 inline bool ObjectSynchronizer::quick_enter(oop obj, BasicLock* lock, JavaThread* current) {
56   assert(current->thread_state() == _thread_in_Java, "invariant");
57   NoSafepointVerifier nsv;
58   if (obj == nullptr) return false;       // Need to throw NPE
59 
60   if (obj->klass()->is_value_based()) {
61     return false;
62   }
63 
64   return LightweightSynchronizer::quick_enter(obj, lock, current);
65 }
66 
67 inline void ObjectSynchronizer::exit(oop object, BasicLock* lock, JavaThread* current) {
68   LightweightSynchronizer::exit(object, lock, current);
69 }
70 
71 #endif // SHARE_RUNTIME_SYNCHRONIZER_INLINE_HPP