Struct File 

pub struct File(FileDesc);

Tuple Fields

0: FileDesc

Implementations

impl File

pub fn open(path: &Path, opts: &OpenOptions) -> Result<File>

pub fn open_c(path: &CStr, opts: &OpenOptions) -> Result<File>

pub fn file_attr(&self) -> Result<FileAttr>

pub fn fsync(&self) -> Result<()>

pub fn datasync(&self) -> Result<()>

pub fn lock(&self) -> Result<()>

pub fn lock_shared(&self) -> Result<()>

pub fn try_lock(&self) -> Result<(), TryLockError>

pub fn try_lock_shared(&self) -> Result<(), TryLockError>

pub fn unlock(&self) -> Result<()>

pub fn truncate(&self, size: u64) -> Result<()>

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

pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>

pub fn is_read_vectored(&self) -> bool

pub fn read_at(&self, buf: &mut [u8], offset: u64) -> Result<usize>

pub fn read_buf(&self, cursor: BorrowedCursor<'_, u8>) -> Result<()>

pub fn read_buf_at( &self, cursor: BorrowedCursor<'_, u8>, offset: u64, ) -> Result<()>

pub fn read_vectored_at( &self, bufs: &mut [IoSliceMut<'_>], offset: u64, ) -> Result<usize>

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

pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> Result<usize>

pub fn is_write_vectored(&self) -> bool

pub fn write_at(&self, buf: &[u8], offset: u64) -> Result<usize>

pub fn write_vectored_at( &self, bufs: &[IoSlice<'_>], offset: u64, ) -> Result<usize>

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

pub fn seek(&self, pos: SeekFrom) -> Result<u64>

pub fn size(&self) -> Option<Result<u64>>

pub fn tell(&self) -> Result<u64>

pub fn duplicate(&self) -> Result<File>

pub fn set_permissions(&self, perm: FilePermissions) -> Result<()>

pub fn set_times(&self, times: FileTimes) -> Result<()>

Trait Implementations

impl AsFd for File

fn as_fd(&self) -> BorrowedFd<'_>

Available on Hermit or Motor OS or Trusty or Unix or WASI only.

Borrows the file descriptor.

impl AsInner<File> for File

fn as_inner(&self) -> &File

impl AsInner<FileDesc> for File

fn as_inner(&self) -> &FileDesc

impl AsInnerMut<FileDesc> for File

fn as_inner_mut(&mut self) -> &mut FileDesc

impl AsRawFd for File

fn as_raw_fd(&self) -> RawFd

Available on Hermit or Motor OS or Trusty or Unix or WASI only.

Extracts the raw file descriptor.

impl Debug for File

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<File> for Stdio

fn from(file: File) -> Stdio

Converts to this type from the input type.

impl FromInner<File> for File

fn from_inner(f: File) -> File

impl FromInner<FileDesc> for File

fn from_inner(file_desc: FileDesc) -> Self

impl FromRawFd for File

unsafe fn from_raw_fd(raw_fd: RawFd) -> Self

Available on Hermit or Motor OS or Trusty or Unix or WASI only.

Constructs a new instance of Self from the given raw file descriptor.

impl IntoInner<File> for File

fn into_inner(self) -> File

impl IntoInner<FileDesc> for File

fn into_inner(self) -> FileDesc

impl IntoRawFd for File

fn into_raw_fd(self) -> RawFd

Available on Hermit or Motor OS or Trusty or Unix or WASI only.

Consumes this object, returning the raw underlying file descriptor.