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 #include "partial_mark_sweep.h" 18 19 #include "gc/heap.h" 20 #include "gc/space/space.h" 21 #include "partial_mark_sweep.h" 22 #include "thread.h" 23 24 namespace art { 25 namespace gc { 26 namespace collector { 27 28 PartialMarkSweep::PartialMarkSweep(Heap* heap, bool is_concurrent, const std::string& name_prefix) 29 : MarkSweep(heap, is_concurrent, name_prefix + (name_prefix.empty() ? "" : " ") + "partial") { 30 cumulative_timings_.SetName(GetName()); 31 } 32 33 void PartialMarkSweep::BindBitmaps() { 34 MarkSweep::BindBitmaps(); 35 36 WriterMutexLock mu(Thread::Current(), *Locks::heap_bitmap_lock_); 37 // For partial GCs we need to bind the bitmap of the zygote space so that all objects in the 38 // zygote space are viewed as marked. 39 for (const auto& space : GetHeap()->GetContinuousSpaces()) { 40 if (space->GetGcRetentionPolicy() == space::kGcRetentionPolicyFullCollect) { 41 CHECK(space->IsZygoteSpace()); 42 ImmuneSpace(space); 43 } 44 } 45 } 46 47 } // namespace collector 48 } // namespace gc 49 } // namespace art 50
