1 /* 2 * Copyright (c) 2021 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 FD_GUARD_H 17 #define FD_GUARD_H 18 19 namespace OHOS { 20 namespace DistributedFS { 21 class FDGuard { 22 public: 23 FDGuard() = default; 24 FDGuard(int fd, bool autoDestruct); 25 FDGuard(const FDGuard& fdg); 26 FDGuard& operator=(const FDGuard& fdg); 27 explicit FDGuard(int fd); 28 ~FDGuard(); 29 30 int GetFD() const; 31 void SetFD(int fd, bool autoDestruct = true); 32 void ClearFD(); 33 void operator=(int fd); 34 35 private: 36 int fd_ = -1; 37 bool autoDestruct_ = true; 38 }; 39 } // namespace DistributedFS 40 } // namespace OHOS 41 #endif