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57 lines
1.7 KiB
57 lines
1.7 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_BASE_MUTATOR_LOCKED_DUMPABLE_H_
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#define ART_RUNTIME_BASE_MUTATOR_LOCKED_DUMPABLE_H_
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#include "base/locks.h"
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#include "thread-current-inl.h"
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namespace art {
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template<typename T>
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class MutatorLockedDumpable {
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public:
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explicit MutatorLockedDumpable(T& value) REQUIRES_SHARED(Locks::mutator_lock_) : value_(value) {}
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void Dump(std::ostream& os) const REQUIRES_SHARED(Locks::mutator_lock_) {
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value_.Dump(os);
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}
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private:
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const T& value_;
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DISALLOW_COPY_AND_ASSIGN(MutatorLockedDumpable);
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};
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// template<typename T>
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// std::ostream& operator<<(std::ostream& os, const MutatorLockedDumpable<T>& rhs)
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// // TODO: should be REQUIRES_SHARED(Locks::mutator_lock_) however annotalysis
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// // currently fails for this.
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// NO_THREAD_SAFETY_ANALYSIS;
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template<typename T>
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inline std::ostream& operator<<(std::ostream& os, const MutatorLockedDumpable<T>& rhs)
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NO_THREAD_SAFETY_ANALYSIS {
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Locks::mutator_lock_->AssertSharedHeld(Thread::Current());
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rhs.Dump(os);
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return os;
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}
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} // namespace art
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#endif // ART_RUNTIME_BASE_MUTATOR_LOCKED_DUMPABLE_H_
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