| // Copyright 2020 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef LIBBRILLO_BRILLO_NAMESPACES_PLATFORM_H_ |
| #define LIBBRILLO_BRILLO_NAMESPACES_PLATFORM_H_ |
| |
| #include <sys/types.h> |
| |
| #include <memory> |
| #include <string> |
| |
| #include <base/files/file_path.h> |
| #include <base/macros.h> |
| #include <brillo/brillo_export.h> |
| |
| namespace brillo { |
| // Platform specific routines abstraction layer. |
| // Also helps us to be able to mock them in tests. |
| class BRILLO_EXPORT Platform { |
| public: |
| Platform(); |
| Platform(const Platform&) = delete; |
| Platform& operator=(const Platform&) = delete; |
| |
| virtual ~Platform(); |
| // Calls the platform fork() function and returns the pid returned |
| // by fork(). |
| virtual pid_t Fork(); |
| |
| // Calls the platform unmount. |
| // |
| // Parameters |
| // path - The path to unmount |
| // lazy - Whether to call a lazy unmount |
| // was_busy (OUT) - Set to true on return if the mount point was busy |
| virtual bool Unmount(const base::FilePath& path, bool lazy, bool* was_busy); |
| |
| // Calls the platform mount. |
| // |
| // Parameters |
| // source - The path to mount from |
| // target - The path to mount to |
| // fs_type - File system type of the mount |
| // mount_flags - Flags spesifying the type of the mount operation |
| // data - Mount options |
| virtual int Mount(const std::string& source, |
| const std::string& target, |
| const std::string& fs_type, |
| uint64_t mount_flags, |
| const void* = nullptr); |
| |
| // Checks the file system type of the |path| and returns true if the |
| // filesystem type is nsfs. |
| // |
| // Parameters |
| // path - The path to check the file system type |
| virtual bool FileSystemIsNsfs(const base::FilePath& path); |
| |
| // Calls the platform waitpid() function and returns the value returned by |
| // waitpid(). |
| // |
| // Parameters |
| // pid - The child pid to be waited on |
| // status (OUT)- Termination status of a child process. |
| virtual pid_t Waitpid(pid_t pid, int* status); |
| }; |
| |
| } // namespace brillo |
| |
| #endif // LIBBRILLO_BRILLO_NAMESPACES_PLATFORM_H_ |