1 /* 2 * Copyright (c) 2025 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_WHITE_LIST 17 #define FFRT_WHITE_LIST 18 #include <fstream> 19 #include <iostream> 20 #include <mutex> 21 #include <string> 22 #include <unordered_map> 23 24 namespace ffrt { 25 class WhiteList { 26 public: 27 static WhiteList &GetInstance(); 28 bool IsEnabled(const std::string& functionName, bool defaultWhenAbnormal); 29 private: 30 WhiteList(); 31 void LoadFromFile(); 32 bool TryRefreshWhiteListOnInit(); 33 WhiteList(const WhiteList&) = delete; 34 WhiteList& operator=(const WhiteList&) = delete; 35 36 std::unordered_map<std::string, bool> whiteList_; 37 std::mutex whitelistMutex_; 38 bool whitelistInited_ = false; 39 }; 40 } // namespace ffrt 41 #endif