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