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      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 #ifndef ART_RUNTIME_OBJECT_LOCK_H_
     18 #define ART_RUNTIME_OBJECT_LOCK_H_
     19 
     20 #include "base/macros.h"
     21 #include "base/mutex.h"
     22 #include "handle.h"
     23 
     24 namespace art {
     25 
     26 class Thread;
     27 
     28 template <typename T>
     29 class ObjectLock {
     30  public:
     31   ObjectLock(Thread* self, Handle<T> object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
     32 
     33   ~ObjectLock() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
     34 
     35   void WaitIgnoringInterrupts() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
     36 
     37   void Notify() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
     38 
     39   void NotifyAll() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
     40 
     41  private:
     42   Thread* const self_;
     43   Handle<T> const obj_;
     44 
     45   DISALLOW_COPY_AND_ASSIGN(ObjectLock);
     46 };
     47 
     48 }  // namespace art
     49 
     50 #endif  // ART_RUNTIME_OBJECT_LOCK_H_
     51