1' Copyright (c) 2021-2022 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 Generational GC 18[*] -> PreForkInit 19PreForkInit -> NormalExecution : forked 20NormalExecution -> STWState 21STWState --> NormalExecution 22NormalExecution -> [*] 23 24state NormalExecution { 25 [*] -> CodeExecution1 26 -- 27 [*] -> CodeExecutionN 28 -- 29 state "GCThread in concurrent mode" as GCConcurrent 30 [*] -> GCConcurrent 31 -- 32 [*] -> CompilerThread 33} 34 35state STWState { 36 [*] -> CodeExecution1Paused 37 -- 38 [*] -> CodeExecutionNPaused 39 -- 40 state "GCThread in STW mode" as GCSTW 41 [*] -> GCSTW 42 -- 43 state "Compiler thread will be blocked at the Mutator Lock" as CompilerThreadWillBeBlocked 44 [*] -> CompilerThreadWillBeBlocked 45} 46 47@enduml 48