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 "locks.h" 22 #include "partial_mark_sweep.h" 23 24 namespace art { 25 namespace gc { 26 namespace collector { 27 28 class StickyMarkSweep : public PartialMarkSweep { 29 public: 30 GcType GetGcType() const { 31 return kGcTypeSticky; 32 } 33 34 explicit StickyMarkSweep(Heap* heap, bool is_concurrent, const std::string& name_prefix = ""); 35 ~StickyMarkSweep() {} 36 37 protected: 38 // Bind the live bits to the mark bits of bitmaps for all spaces, all spaces other than the 39 // alloc space will be marked as immune. 40 void BindBitmaps() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 41 42 void MarkReachableObjects() 43 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 44 EXCLUSIVE_LOCKS_REQUIRED(Locks::heap_bitmap_lock_); 45 46 virtual void MarkThreadRoots(Thread* self) 47 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 48 EXCLUSIVE_LOCKS_REQUIRED(Locks::heap_bitmap_lock_); 49 50 void Sweep(bool swap_bitmaps) EXCLUSIVE_LOCKS_REQUIRED(Locks::heap_bitmap_lock_); 51 52 private: 53 DISALLOW_COPY_AND_ASSIGN(StickyMarkSweep); 54 }; 55 56 } // namespace collector 57 } // namespace gc 58 } // namespace art 59 60 #endif // ART_RUNTIME_GC_COLLECTOR_STICKY_MARK_SWEEP_H_ 61
