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 #pragma once 17 18 namespace OHOS { 19 namespace DistributedFS { 20 class FDGuard { 21 public: 22 FDGuard() = default; 23 explicit FDGuard(int fd); 24 ~FDGuard(); 25 26 int GetFD() const; 27 void SetFD(int fd); 28 void ClearFD(); 29 30 private: 31 int fd_ = -1; 32 }; 33 } // namespace DistributedFS 34 } // namespace OHOS 35