1' Copyright (c) 2021-2024 Huawei Device Co., Ltd. 2' Licensed under the Apache License, Version 2.0 (the "License"); 3' you may not use this file except in compliance with the License. 4' You may obtain a copy of the License at 5' 6' http://www.apache.org/licenses/LICENSE-2.0 7' 8' Unless required by applicable law or agreed to in writing, software 9' distributed under the License is distributed on an "AS IS" BASIS, 10' WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11' See the License for the specific language governing permissions and 12' limitations under the License. 13 14@startuml 15 16skinparam monochrome true 17title GC Thread 18start 19while (true) 20if (gc_stop_flag) then (yes) 21 break; 22else (no) 23 if (GCTaskQueue not empty) then (yes) 24 :Get task; 25 if (task is Full GC) then (yes) 26 :Run Full GC; 27 else (no) 28 if (task is MARKING) then (yes) 29 :Mark stack; 30 else if (task is REGION COMPACTING) then (yes) 31 :Compact region; 32 else (task is starting GC flow) 33 :Run Young or Mixed GC; 34 endif 35 endif 36 endif 37endif 38end while 39stop 40@enduml 41