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 namespace art {
23 namespace gc {
24 namespace collector {
25 
26 class PartialMarkSweep : public MarkSweep {
27  public:
28   // Virtual as overridden by StickyMarkSweep.
GetGcType()29   virtual GcType GetGcType() const OVERRIDE {
30     return kGcTypePartial;
31   }
32 
33   PartialMarkSweep(Heap* heap, bool is_concurrent, const std::string& name_prefix = "");
~PartialMarkSweep()34   ~PartialMarkSweep() {}
35 
36  protected:
37   // Bind the live bits to the mark bits of bitmaps for spaces that aren't collected for partial
38   // collections, ie the Zygote space. Also mark this space is immune. Virtual as overridden by
39   // StickyMarkSweep.
40   virtual void BindBitmaps() OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_);
41 
42  private:
43   DISALLOW_IMPLICIT_CONSTRUCTORS(PartialMarkSweep);
44 };
45 
46 }  // namespace collector
47 }  // namespace gc
48 }  // namespace art
49 
50 #endif  // ART_RUNTIME_GC_COLLECTOR_PARTIAL_MARK_SWEEP_H_
51