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Ian Rogers22d5e732014-07-15 22:23:51 -07001/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_RUNTIME_OBJECT_LOCK_H_
18#define ART_RUNTIME_OBJECT_LOCK_H_
19
Andreas Gampe7fbc4a52018-11-28 08:26:47 -080020#include "base/locks.h"
Ian Rogers22d5e732014-07-15 22:23:51 -070021#include "base/macros.h"
Ian Rogers22d5e732014-07-15 22:23:51 -070022#include "handle.h"
23
24namespace art {
25
26class Thread;
27
28template <typename T>
29class ObjectLock {
30 public:
Andreas Gampebdf7f1c2016-08-30 16:38:47 -070031 ObjectLock(Thread* self, Handle<T> object) REQUIRES_SHARED(Locks::mutator_lock_);
Ian Rogers22d5e732014-07-15 22:23:51 -070032
Andreas Gampebdf7f1c2016-08-30 16:38:47 -070033 ~ObjectLock() REQUIRES_SHARED(Locks::mutator_lock_);
Ian Rogers22d5e732014-07-15 22:23:51 -070034
Andreas Gampebdf7f1c2016-08-30 16:38:47 -070035 void WaitIgnoringInterrupts() REQUIRES_SHARED(Locks::mutator_lock_);
Ian Rogers22d5e732014-07-15 22:23:51 -070036
Andreas Gampebdf7f1c2016-08-30 16:38:47 -070037 void Notify() REQUIRES_SHARED(Locks::mutator_lock_);
Ian Rogers22d5e732014-07-15 22:23:51 -070038
Andreas Gampebdf7f1c2016-08-30 16:38:47 -070039 void NotifyAll() REQUIRES_SHARED(Locks::mutator_lock_);
Ian Rogers22d5e732014-07-15 22:23:51 -070040
41 private:
42 Thread* const self_;
Andreas Gampe5a4b8a22014-09-11 08:30:08 -070043 Handle<T> const obj_;
Ian Rogers22d5e732014-07-15 22:23:51 -070044
45 DISALLOW_COPY_AND_ASSIGN(ObjectLock);
46};
47
Mathieu Chartier4b0ef1c2016-07-29 16:26:01 -070048template <typename T>
49class ObjectTryLock {
50 public:
Andreas Gampebdf7f1c2016-08-30 16:38:47 -070051 ObjectTryLock(Thread* self, Handle<T> object) REQUIRES_SHARED(Locks::mutator_lock_);
Mathieu Chartier4b0ef1c2016-07-29 16:26:01 -070052
Andreas Gampebdf7f1c2016-08-30 16:38:47 -070053 ~ObjectTryLock() REQUIRES_SHARED(Locks::mutator_lock_);
Mathieu Chartier4b0ef1c2016-07-29 16:26:01 -070054
55 bool Acquired() const {
56 return acquired_;
57 }
58
59 private:
60 Thread* const self_;
61 Handle<T> const obj_;
62 bool acquired_;
63
64
65 DISALLOW_COPY_AND_ASSIGN(ObjectTryLock);
66};
67
68
Ian Rogers22d5e732014-07-15 22:23:51 -070069} // namespace art
70
71#endif // ART_RUNTIME_OBJECT_LOCK_H_