/*
* Copyright ( C ) 2011 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#ifndef ART_RUNTIME_OBJECT_LOCK_H_
#define ART_RUNTIME_OBJECT_LOCK_H_
#include "base/locks.h"
#include "base/macros.h"
#include "handle.h"
namespace art HIDDEN {
class Thread;
template <typename T>
class ObjectLock {
public :
EXPORT ObjectLock(Thread* self, Handle<T> object) REQUIRES_SHARED(Locks::mutator_lock_);
EXPORT ~ObjectLock() REQUIRES_SHARED(Locks::mutator_lock_);
void WaitIgnoringInterrupts() REQUIRES_SHARED(Locks::mutator_lock_);
void Notify() REQUIRES_SHARED(Locks::mutator_lock_);
void NotifyAll() REQUIRES_SHARED(Locks::mutator_lock_);
private :
Thread* const self_;
Handle<T> const obj_;
DISALLOW_COPY_AND_ASSIGN(ObjectLock);
};
template <typename T>
class ObjectTryLock {
public :
ObjectTryLock(Thread* self, Handle<T> object) REQUIRES_SHARED(Locks::mutator_lock_);
~ObjectTryLock() REQUIRES_SHARED(Locks::mutator_lock_);
bool Acquired() const {
return acquired_;
}
private :
Thread* const self_;
Handle<T> const obj_;
bool acquired_;
DISALLOW_COPY_AND_ASSIGN(ObjectTryLock);
};
} // namespace art
#endif // ART_RUNTIME_OBJECT_LOCK_H_
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