| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // -*- mode: C++ -*- |
| // |
| // Copyright 2022 Google LLC |
| // |
| // Licensed under the Apache License v2.0 with LLVM Exceptions (the |
| // "License"); you may not use this file except in compliance with the |
| // License. You may obtain a copy of the License at |
| // |
| // https://llvm.org/LICENSE.txt |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // Author: Aleksei Vetrov |
| // Author: Matthias Maennich |
| |
| #ifndef STG_FILE_DESCRIPTOR_H_ |
| #define STG_FILE_DESCRIPTOR_H_ |
| |
| #include <sys/stat.h> // for mode_t |
| |
| #include <utility> |
| |
| namespace stg { |
| |
| // RAII wrapper over file descriptor |
| class FileDescriptor { |
| public: |
| FileDescriptor() = default; |
| FileDescriptor(const char* filename, int flags, mode_t mode = 0); |
| FileDescriptor(const FileDescriptor&) = delete; |
| FileDescriptor& operator=(const FileDescriptor&) = delete; |
| FileDescriptor(FileDescriptor&& other) noexcept { |
| std::swap(fd_, other.fd_); |
| } |
| FileDescriptor& operator=(FileDescriptor&& other) = delete; |
| ~FileDescriptor() noexcept(false); |
| |
| int Value() const; |
| |
| private: |
| int fd_ = -1; |
| }; |
| |
| } // namespace stg |
| |
| #endif // STG_FILE_DESCRIPTOR_H_ |