1 /*
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 #include "object_lock.h"
18
19 #include "mirror/class_ext.h"
20 #include "mirror/object-inl.h"
21 #include "monitor.h"
22
23 namespace art {
24
25 template <typename T>
ObjectLock(Thread * self,Handle<T> object)26 ObjectLock<T>::ObjectLock(Thread* self, Handle<T> object) : self_(self), obj_(object) {
27 CHECK(object != nullptr);
28 obj_->MonitorEnter(self_);
29 }
30
31 template <typename T>
~ObjectLock()32 ObjectLock<T>::~ObjectLock() {
33 obj_->MonitorExit(self_);
34 }
35
36 template <typename T>
WaitIgnoringInterrupts()37 void ObjectLock<T>::WaitIgnoringInterrupts() {
38 Monitor::Wait(self_, obj_.Get(), 0, 0, false, kWaiting);
39 }
40
41 template <typename T>
Notify()42 void ObjectLock<T>::Notify() {
43 obj_->Notify(self_);
44 }
45
46 template <typename T>
NotifyAll()47 void ObjectLock<T>::NotifyAll() {
48 obj_->NotifyAll(self_);
49 }
50
51 template <typename T>
ObjectTryLock(Thread * self,Handle<T> object)52 ObjectTryLock<T>::ObjectTryLock(Thread* self, Handle<T> object) : self_(self), obj_(object) {
53 CHECK(object != nullptr);
54 acquired_ = obj_->MonitorTryEnter(self_) != nullptr;
55 }
56
57 template <typename T>
~ObjectTryLock()58 ObjectTryLock<T>::~ObjectTryLock() {
59 if (acquired_) {
60 obj_->MonitorExit(self_);
61 }
62 }
63
64 template class ObjectLock<mirror::Class>;
65 template class ObjectLock<mirror::ClassExt>;
66 template class ObjectLock<mirror::Object>;
67 template class ObjectTryLock<mirror::Class>;
68 template class ObjectTryLock<mirror::Object>;
69
70 } // namespace art
71