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/*
* Copyright (C) 2016 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_BASE_MUTATOR_LOCKED_DUMPABLE_H_
#define ART_RUNTIME_BASE_MUTATOR_LOCKED_DUMPABLE_H_
#include "base/locks.h"
#include "thread-current-inl.h"
namespace art {
template<typename T>
class MutatorLockedDumpable {
public:
explicit MutatorLockedDumpable(T& value) REQUIRES_SHARED(Locks::mutator_lock_) : value_(value) {}
void Dump(std::ostream& os) const REQUIRES_SHARED(Locks::mutator_lock_) {
value_.Dump(os);
}
private:
const T& value_;
DISALLOW_COPY_AND_ASSIGN(MutatorLockedDumpable);
};
// template<typename T>
// std::ostream& operator<<(std::ostream& os, const MutatorLockedDumpable<T>& rhs)
// // TODO: should be REQUIRES_SHARED(Locks::mutator_lock_) however annotalysis
// // currently fails for this.
// NO_THREAD_SAFETY_ANALYSIS;
template<typename T>
inline std::ostream& operator<<(std::ostream& os, const MutatorLockedDumpable<T>& rhs)
NO_THREAD_SAFETY_ANALYSIS {
Locks::mutator_lock_->AssertSharedHeld(Thread::Current());
rhs.Dump(os);
return os;
}
} // namespace art
#endif // ART_RUNTIME_BASE_MUTATOR_LOCKED_DUMPABLE_H_
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