1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_RUNTIME_GC_COLLECTOR_PARTIAL_MARK_SWEEP_H_
18 #define ART_RUNTIME_GC_COLLECTOR_PARTIAL_MARK_SWEEP_H_
19 
20 #include "mark_sweep.h"
21 
22 #include "base/macros.h"
23 
24 namespace art HIDDEN {
25 namespace gc {
26 namespace collector {
27 
28 class PartialMarkSweep : public MarkSweep {
29  public:
30   // Virtual as overridden by StickyMarkSweep.
GetGcType()31   GcType GetGcType() const override {
32     return kGcTypePartial;
33   }
34 
35   PartialMarkSweep(Heap* heap, bool is_concurrent, const std::string& name_prefix = "");
~PartialMarkSweep()36   ~PartialMarkSweep() {}
37 
38  protected:
39   // Bind the live bits to the mark bits of bitmaps for spaces that aren't collected for partial
40   // collections, ie the Zygote space. Also mark this space is immune. Virtual as overridden by
41   // StickyMarkSweep.
42   void BindBitmaps() override REQUIRES_SHARED(Locks::mutator_lock_);
43 
44  private:
45   DISALLOW_IMPLICIT_CONSTRUCTORS(PartialMarkSweep);
46 };
47 
48 }  // namespace collector
49 }  // namespace gc
50 }  // namespace art
51 
52 #endif  // ART_RUNTIME_GC_COLLECTOR_PARTIAL_MARK_SWEEP_H_
53