diff options
Diffstat (limited to 'artd/file_utils.h')
| -rw-r--r-- | artd/file_utils.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/artd/file_utils.h b/artd/file_utils.h index b5fd170676..a97f52c42a 100644 --- a/artd/file_utils.h +++ b/artd/file_utils.h @@ -113,7 +113,6 @@ class NewFile { std::string temp_path_; std::string temp_id_; aidl::com::android::server::art::FsPermission fs_permission_; - bool committed_ = false; }; // Opens a file for reading. @@ -129,6 +128,25 @@ mode_t DirFsPermissionToMode(const aidl::com::android::server::art::FsPermission android::base::Result<void> Chown( const std::string& path, const aidl::com::android::server::art::FsPermission& fs_permission); +// Moves every file in `files_to_move` from a given location to another, replacing the existing file +// at the destination if it exists, and removes files in `files_to_remove` in addition. Or abandons +// all files in `files_to_move` and restores old files at best effort if any error occurs. +// +// This function does not accept duplicate paths. Passing duplicate paths to this function leads to +// undefined behavior. +// +// Note: This function is NOT thread-safe. It is intended to be used in single-threaded code or in +// cases where some race condition is acceptable. +// +// Usage: +// +// Move file at `path_1` to `path_2`, move file at `path_3` to `file_4`, and remove the file at +// "path_5": +// MoveAllOrAbandon({{"path_1", "path_2"}, {"path_3", "path_4}}, {"path_5"}); +android::base::Result<void> MoveAllOrAbandon( + const std::vector<std::pair<std::string_view, std::string_view>>& files_to_move, + const std::vector<std::string_view>& files_to_remove = {}); + } // namespace artd } // namespace art |