Struct File

pub struct File {
    pub inner: Arc<dyn INodeInterface>,
    pub offset: Mutex<usize>,
    pub flags: Mutex<OpenFlags>,
    /* private fields */
}

Fields

inner: Arc<dyn INodeInterface>

offset: Mutex<usize>

flags: Mutex<OpenFlags>

Implementations

impl File

pub fn open<T: Into<PathBuf>>(path: T, flags: OpenFlags) -> VfsResult<File>

pub fn new_dev(inner: Arc<dyn INodeInterface>) -> Arc<Self>

pub fn open_link<T: Into<PathBuf>>( path: T, flags: OpenFlags, ) -> Result<File, Errno>

打开真正的文件，如果 path 是 link 文件，会打开真正的文件

pub fn remove_self(&self) -> VfsResult<()>

pub fn get_bare_file(&self) -> Arc<dyn INodeInterface>

pub fn path(&self) -> String

pub fn path_buf(&self) -> PathBuf

pub fn file_size(&self) -> VfsResult<usize>

pub fn file_type(&self) -> VfsResult<FileType>

pub fn getdents(&self, buffer: &mut [u8]) -> Result<usize, Errno>

impl File

pub fn mkdir(&self, name: &str) -> Result<(), Errno>

pub fn rmdir(&self, name: &str) -> Result<(), Errno>

pub fn remove(&self, name: &str) -> Result<(), Errno>

pub fn moveto(&self, _path: &str) -> Result<Self, Errno>

pub fn read_dir(&self) -> Result<Vec<DirEntry>, Errno>

pub fn lookup(&self, name: &str) -> Result<Arc<dyn INodeInterface>, Errno>

pub fn ioctl(&self, command: usize, arg: usize) -> Result<usize, Errno>

pub fn truncate(&self, size: usize) -> Result<(), Errno>

pub fn flush(&self) -> Result<(), Errno>

pub fn resolve_link(&self) -> Result<String, Errno>

pub fn link( &self, name: &str, src: Arc<dyn INodeInterface>, ) -> Result<(), Errno>

pub fn unlink(&self, name: &str) -> Result<(), Errno>

pub fn stat(&self, stat: &mut Stat) -> Result<(), Errno>

pub fn symlink(&self, name: &str, target: &str) -> Result<(), Errno>

pub fn mount(&self, path: &str) -> Result<(), Errno>

pub fn umount(&self) -> Result<(), Errno>

pub fn statfs(&self, statfs: &mut StatFS) -> Result<(), Errno>

pub fn utimes(&self, times: &mut [TimeSpec]) -> Result<(), Errno>

pub fn poll(&self, events: PollEvent) -> Result<PollEvent, Errno>

impl File

pub fn readat(&self, offset: usize, buffer: &mut [u8]) -> Result<usize, Errno>

pub fn writeat(&self, offset: usize, buffer: &[u8]) -> Result<usize, Errno>

pub fn read(&self, buffer: &mut [u8]) -> Result<usize, Errno>

pub fn write(&self, buffer: &[u8]) -> Result<usize, Errno>

pub async fn async_read(&self, buffer: &mut [u8]) -> Result<usize, Errno>

pub async fn async_write(&self, buffer: &[u8]) -> Result<usize, Errno>

pub fn seek(&self, seek_from: SeekFrom) -> Result<usize, Errno>

Trait Implementations

impl Clone for File

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.