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 virtual void MarkConcurrentRoots(VisitRootFlags flags) 37 OVERRIDE 38 REQUIRES(Locks::heap_bitmap_lock_) 39 REQUIRES(!mark_stack_lock_) 40 REQUIRES_SHARED(Locks::mutator_lock_); 41 42 protected: 43 // Bind the live bits to the mark bits of bitmaps for all spaces, all spaces other than the 44 // alloc space will be marked as immune. 45 void BindBitmaps() OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_); 46 47 void MarkReachableObjects() 48 OVERRIDE 49 REQUIRES(Locks::heap_bitmap_lock_) 50 REQUIRES_SHARED(Locks::mutator_lock_); 51 52 void Sweep(bool swap_bitmaps) 53 OVERRIDE 54 REQUIRES(Locks::heap_bitmap_lock_) 55 REQUIRES_SHARED(Locks::mutator_lock_); 56 57 private: 58 DISALLOW_IMPLICIT_CONSTRUCTORS(StickyMarkSweep); 59 }; 60 61 } // namespace collector 62 } // namespace gc 63 } // namespace art 64 65 #endif // ART_RUNTIME_GC_COLLECTOR_STICKY_MARK_SWEEP_H_ 66
