1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef FFRT_ENTITY_HPP 17 #define FFRT_ENTITY_HPP 18 19 #include <unordered_map> 20 #include <list> 21 22 #include "sync/sync.h" 23 24 namespace ffrt { 25 struct VersionCtx; 26 27 struct Entity { InstanceEntity28 static inline Entity* Instance() 29 { 30 static Entity ins; 31 return &ins; 32 } 33 34 VersionCtx* VA2Ctx(const void* p, TaskCtx* task); 35 void RecycleVersion(); 36 37 std::list<VersionCtx*> versionTrashcan; // VersionCtx to be deleted 38 std::unordered_map<const void*, VersionCtx*> vaMap; 39 #ifdef MUTEX_PERF // Mutex Lock&Unlock Cycles Statistic 40 xx::mutex criticalMutex_ {"DependencyManager::criticalMutex_"}; 41 #else 42 /* It is only used to ensure the consistency between multiple groups of ctx, 43 * and to ensure that the status cannot be changed between the query status and the do action 44 */ 45 fast_mutex criticalMutex_; 46 #endif 47 }; 48 } // namespace ffrt 49 #endif 50