1 /* 2 * Copyright (C) 2012 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_STICKY_MARK_SWEEP_H_ 18 #define ART_RUNTIME_GC_COLLECTOR_STICKY_MARK_SWEEP_H_ 19 20 #include "base/macros.h" 21 #include "partial_mark_sweep.h" 22 23 namespace art { 24 namespace gc { 25 namespace collector { 26 27 class StickyMarkSweep FINAL : public PartialMarkSweep { 28 public: 29 GcType GetGcType() const OVERRIDE { 30 return kGcTypeSticky; 31 } 32 33 StickyMarkSweep(Heap* heap, bool is_concurrent, const std::string& name_prefix = ""); 34 ~StickyMarkSweep() {} 35 36 protected: 37 // Bind the live bits to the mark bits of bitmaps for all spaces, all spaces other than the 38 // alloc space will be marked as immune. 39 void BindBitmaps() OVERRIDE SHARED_REQUIRES(Locks::mutator_lock_); 40 41 void MarkReachableObjects() 42 OVERRIDE 43 REQUIRES(Locks::heap_bitmap_lock_) 44 SHARED_REQUIRES(Locks::mutator_lock_); 45 46 void Sweep(bool swap_bitmaps) 47 OVERRIDE 48 REQUIRES(Locks::heap_bitmap_lock_) 49 SHARED_REQUIRES(Locks::mutator_lock_); 50 51 private: 52 DISALLOW_IMPLICIT_CONSTRUCTORS(StickyMarkSweep); 53 }; 54 55 } // namespace collector 56 } // namespace gc 57 } // namespace art 58 59 #endif // ART_RUNTIME_GC_COLLECTOR_STICKY_MARK_SWEEP_H_ 60