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/*
* Copyright (C) 2015 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_GC_WEAK_ROOT_STATE_H_
#define ART_RUNTIME_GC_WEAK_ROOT_STATE_H_
#include <iosfwd>
namespace art {
namespace gc {
enum WeakRootState {
// Can read or add weak roots.
kWeakRootStateNormal,
// Need to wait until we can read weak roots.
kWeakRootStateNoReadsOrWrites,
// Need to mark new weak roots to make sure they don't get swept.
// kWeakRootStateMarkNewRoots is currently unused but I was planning on using to allow adding new
// weak roots during the CMS reference processing phase.
kWeakRootStateMarkNewRoots,
};
std::ostream& operator<<(std::ostream& os, const WeakRootState&);
} // namespace gc
} // namespace art
#endif // ART_RUNTIME_GC_WEAK_ROOT_STATE_H_
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