Vishwanatha Subbanna | 38b08d7 | 2017-04-14 18:12:14 +0530 | [diff] [blame] | 1 | #pragma once |
| 2 | |
| 3 | #include <unistd.h> |
| 4 | namespace open_power |
| 5 | { |
| 6 | namespace occ |
| 7 | { |
| 8 | namespace pass_through |
| 9 | { |
| 10 | /** @class FileDescriptor |
| 11 | * @brief Responsible for handling file descriptor |
| 12 | */ |
| 13 | class FileDescriptor |
| 14 | { |
| 15 | private: |
| 16 | /** @brief File descriptor for the gpio input device */ |
| 17 | int fd = -1; |
| 18 | |
| 19 | public: |
| 20 | FileDescriptor() = delete; |
| 21 | FileDescriptor(const FileDescriptor&) = delete; |
| 22 | FileDescriptor& operator=(const FileDescriptor&) = delete; |
| 23 | FileDescriptor(FileDescriptor&&) = delete; |
| 24 | FileDescriptor& operator=(FileDescriptor&&) = delete; |
| 25 | |
| 26 | /** @brief Saves File descriptor and uses it to do file operation |
| 27 | * |
| 28 | * @param[in] fd - File descriptor |
| 29 | */ |
| 30 | FileDescriptor(int fd) : fd(fd) |
| 31 | { |
| 32 | // Nothing |
| 33 | } |
| 34 | |
| 35 | ~FileDescriptor() |
| 36 | { |
| 37 | if (fd >=0) |
| 38 | { |
| 39 | close(fd); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | int operator()() |
| 44 | { |
| 45 | return fd; |
| 46 | } |
| 47 | }; |
| 48 | |
| 49 | } // namespace pass_through |
| 50 | } // namespace occ |
| 51 | } // namespace open-power |