Struct FileDesc 

pub struct FileDesc(OwnedFd);

🔬This is a nightly-only experimental API. (fd)

Tuple Fields

0: OwnedFd

🔬This is a nightly-only experimental API. (fd)

Implementations

impl FileDesc

pub fn try_clone(&self) -> Result<Self>

🔬This is a nightly-only experimental API. (fd)

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

🔬This is a nightly-only experimental API. (fd)

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

🔬This is a nightly-only experimental API. (fd)

Available on neither ESP-IDF nor Horizon nor NuttX nor Play Station Vita.

pub fn is_read_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (fd)

pub fn read_to_end(&self, buf: &mut Vec<u8>) -> Result<usize>

🔬This is a nightly-only experimental API. (fd)

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

🔬This is a nightly-only experimental API. (fd)

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

🔬This is a nightly-only experimental API. (fd)

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

🔬This is a nightly-only experimental API. (fd)

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

🔬This is a nightly-only experimental API. (fd)

Available on AIX, or DragonFly BSD, or Emscripten, or FreeBSD, or Fuchsia, or GNU/Hurd, or illumos, or Linux, or NetBSD, or OpenBSD, or AArch64 and macOS only.

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

🔬This is a nightly-only experimental API. (fd)

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

🔬This is a nightly-only experimental API. (fd)

Available on neither ESP-IDF nor Horizon nor NuttX nor Play Station Vita.

pub fn is_write_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (fd)

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

🔬This is a nightly-only experimental API. (fd)

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

🔬This is a nightly-only experimental API. (fd)

Available on AIX, or DragonFly BSD, or Emscripten, or FreeBSD, or Fuchsia, or GNU/Hurd, or illumos, or Linux, or NetBSD, or OpenBSD, or AArch64 and macOS only.

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

🔬This is a nightly-only experimental API. (fd)

Available on Cygwin, or Emscripten, or Fuchsia, or Haiku, or illumos, or L4Re, or Linux, or QNX SDP 7.x, or QNX SDP 8.0+, or Redox OS, or Solaris, or VxWorks, or WASI, or Newlib and neither ESP-IDF nor Horizon nor Play Station Vita only.

pub fn set_nonblocking(&self, nonblocking: bool) -> Result<()>

🔬This is a nightly-only experimental API. (fd)

Available on Linux only.

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

🔬This is a nightly-only experimental API. (fd)

Trait Implementations

impl AsFd for FileDesc

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

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

Borrows the file descriptor.

impl AsInner<FileDesc> for ChildStdin

fn as_inner(&self) -> &FileDesc

impl AsInner<FileDesc> for ChildStdout

fn as_inner(&self) -> &FileDesc

impl AsInner<FileDesc> for ChildStderr

fn as_inner(&self) -> &FileDesc

impl AsInner<FileDesc> for File

fn as_inner(&self) -> &FileDesc

impl AsInner<FileDesc> for Socket

fn as_inner(&self) -> &FileDesc

impl AsInner<FileDesc> for PidFd

Available on Linux only.

fn as_inner(&self) -> &FileDesc

impl AsInner<OwnedFd> for FileDesc

fn as_inner(&self) -> &OwnedFd

impl AsInnerMut<FileDesc> for File

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

impl AsRawFd for FileDesc

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 FileDesc

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

Formats the value using the given formatter.

impl From<FileDesc> for Stdio

fn from(fd: FileDesc) -> Stdio

Converts to this type from the input type.

impl FromInner<FileDesc> for PipeReader

fn from_inner(inner: FileDesc) -> Self

impl FromInner<FileDesc> for PipeWriter

fn from_inner(inner: FileDesc) -> Self

impl FromInner<FileDesc> for ChildStdin

fn from_inner(pipe: FileDesc) -> ChildStdin

impl FromInner<FileDesc> for ChildStdout

fn from_inner(pipe: FileDesc) -> ChildStdout

impl FromInner<FileDesc> for ChildStderr

fn from_inner(pipe: FileDesc) -> ChildStderr

impl FromInner<FileDesc> for File

fn from_inner(file_desc: FileDesc) -> Self

impl FromInner<FileDesc> for Socket

fn from_inner(file_desc: FileDesc) -> Self

impl FromInner<FileDesc> for PidFd

Available on Linux only.

fn from_inner(inner: FileDesc) -> Self

impl FromInner<OwnedFd> for FileDesc

fn from_inner(owned_fd: OwnedFd) -> Self

impl FromRawFd for FileDesc

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<FileDesc> for PipeReader

fn into_inner(self) -> FileDesc

impl IntoInner<FileDesc> for PipeWriter

fn into_inner(self) -> FileDesc

impl IntoInner<FileDesc> for ChildStdin

fn into_inner(self) -> FileDesc

impl IntoInner<FileDesc> for ChildStdout

fn into_inner(self) -> FileDesc

impl IntoInner<FileDesc> for ChildStderr

fn into_inner(self) -> FileDesc

impl IntoInner<FileDesc> for File

fn into_inner(self) -> FileDesc

impl IntoInner<FileDesc> for Socket

fn into_inner(self) -> FileDesc

impl IntoInner<FileDesc> for PidFd

Available on Linux only.

fn into_inner(self) -> FileDesc

impl IntoInner<OwnedFd> for FileDesc

fn into_inner(self) -> OwnedFd

impl IntoRawFd for FileDesc

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.

impl<'a> Read for &'a FileDesc

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

Pull some bytes from this source into the specified buffer, returning how many bytes were read.

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

🔬This is a nightly-only experimental API. (read_buf #78485)

Pull some bytes from this source into the specified buffer.

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

Like read, except that it reads into a slice of buffers.

fn is_read_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (can_vector #69941)

Determines if this Reader has an efficient read_vectored implementation.

fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>

Reads all bytes until EOF in this source, placing them into buf.

fn read_to_string(&mut self, buf: &mut String) -> Result<usize>

Reads all bytes until EOF in this source, appending them to buf.

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

Reads the exact number of bytes required to fill buf.

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

🔬This is a nightly-only experimental API. (read_buf #78485)

Reads the exact number of bytes required to fill cursor.

fn by_ref(&mut self) -> &mut Self

where Self: Sized,

Creates a “by reference” adapter for this instance of Read.

fn bytes(self) -> Bytes<Self>

where Self: Sized,

Transforms this Read instance to an Iterator over its bytes.

fn chain<R: Read>(self, next: R) -> Chain<Self, R>

where Self: Sized,

Creates an adapter which will chain this stream with another.

fn take(self, limit: u64) -> Take<Self>

where Self: Sized,

Creates an adapter which will read at most limit bytes from it.

fn read_array<const N: usize>(&mut self) -> Result<[u8; N]>

where Self: Sized,

🔬This is a nightly-only experimental API. (read_array #148848)

Read and return a fixed array of bytes from this source.

fn read_le<T: FromEndianBytes>(&mut self) -> Result<T>

where Self: Sized,

🔬This is a nightly-only experimental API. (read_le #156984)

Read and return a type (e.g. an integer) in little-endian order.

fn read_be<T: FromEndianBytes>(&mut self) -> Result<T>

where Self: Sized,

🔬This is a nightly-only experimental API. (read_le #156984)

Read and return a type (e.g. an integer) in big-endian order.