/*
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* Copyright (C) 2013 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_COLLECTOR_TYPE_H_
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#define ART_RUNTIME_GC_COLLECTOR_TYPE_H_
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#include <iosfwd>
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namespace art {
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namespace gc {
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// Which types of collections are able to be performed.
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enum CollectorType {
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// No collector selected.
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kCollectorTypeNone,
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// Non concurrent mark-sweep.
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kCollectorTypeMS,
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// Concurrent mark-sweep.
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kCollectorTypeCMS,
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// Semi-space / mark-sweep hybrid, enables compaction.
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kCollectorTypeSS,
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// A generational variant of kCollectorTypeSS.
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kCollectorTypeGSS,
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// Heap trimming collector, doesn't do any actual collecting.
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kCollectorTypeHeapTrim,
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// A (mostly) concurrent copying collector.
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kCollectorTypeCC,
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// The background compaction of the concurrent copying collector.
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kCollectorTypeCCBackground,
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// Instrumentation critical section fake collector.
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kCollectorTypeInstrumentation,
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// Fake collector for adding or removing application image spaces.
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kCollectorTypeAddRemoveAppImageSpace,
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// Fake collector used to implement exclusion between GC and debugger.
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kCollectorTypeDebugger,
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// A homogeneous space compaction collector used in background transition
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// when both foreground and background collector are CMS.
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kCollectorTypeHomogeneousSpaceCompact,
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// Class linker fake collector.
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kCollectorTypeClassLinker,
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// JIT Code cache fake collector.
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kCollectorTypeJitCodeCache,
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// Hprof fake collector.
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kCollectorTypeHprof,
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// Fake collector for installing/removing a system-weak holder.
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kCollectorTypeAddRemoveSystemWeakHolder,
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// Fake collector type for GetObjectsAllocated
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kCollectorTypeGetObjectsAllocated,
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// Fake collector type for ScopedGCCriticalSection
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kCollectorTypeCriticalSection,
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};
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std::ostream& operator<<(std::ostream& os, const CollectorType& collector_type);
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static constexpr CollectorType kCollectorTypeDefault =
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#if ART_DEFAULT_GC_TYPE_IS_CMS
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kCollectorTypeCMS
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#elif ART_DEFAULT_GC_TYPE_IS_SS
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kCollectorTypeSS
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#elif ART_DEFAULT_GC_TYPE_IS_GSS
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kCollectorTypeGSS
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#else
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kCollectorTypeCMS
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#error "ART default GC type must be set"
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#endif
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; // NOLINT [whitespace/semicolon] [5]
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} // namespace gc
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} // namespace art
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#endif // ART_RUNTIME_GC_COLLECTOR_TYPE_H_
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