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/*
* Copyright (C) 2012 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_COLLECTOR_STICKY_MARK_SWEEP_H_
#define ART_RUNTIME_GC_COLLECTOR_STICKY_MARK_SWEEP_H_
#include "base/macros.h"
#include "partial_mark_sweep.h"
namespace art {
namespace gc {
namespace collector {
class StickyMarkSweep final : public PartialMarkSweep {
public:
GcType GetGcType() const override {
return kGcTypeSticky;
}
StickyMarkSweep(Heap* heap, bool is_concurrent, const std::string& name_prefix = "");
~StickyMarkSweep() {}
virtual void MarkConcurrentRoots(VisitRootFlags flags)
override
REQUIRES(Locks::heap_bitmap_lock_)
REQUIRES(!mark_stack_lock_)
REQUIRES_SHARED(Locks::mutator_lock_);
protected:
// Bind the live bits to the mark bits of bitmaps for all spaces, all spaces other than the
// alloc space will be marked as immune.
void BindBitmaps() override REQUIRES_SHARED(Locks::mutator_lock_);
void MarkReachableObjects()
override
REQUIRES(Locks::heap_bitmap_lock_)
REQUIRES_SHARED(Locks::mutator_lock_);
void Sweep(bool swap_bitmaps)
override
REQUIRES(Locks::heap_bitmap_lock_)
REQUIRES_SHARED(Locks::mutator_lock_);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(StickyMarkSweep);
};
} // namespace collector
} // namespace gc
} // namespace art
#endif // ART_RUNTIME_GC_COLLECTOR_STICKY_MARK_SWEEP_H_