Struct linux::fd::FdIo

pub struct FdIo(pub c_int);

A read/write wrapper for raw file descriptors.

[field, 1] The numeric value of the file descriptor.

Trait Implementations

impl Pod for FdIo

fn _assert_pod()

impl Read for FdIo

fn scatter_read(&mut self, bufs: &mut [&mut [d8]]) -> Result<usize>

Reads from the byte-stream into multiple buffers.

fn read(&mut self, buf: &mut [d8]) -> Result<usize>

Reads from the byte-stream into a buffer.

fn read_all(&mut self, buf: &mut [d8]) -> Result<usize>

Tries to read bytes until the buffer is buffer.

impl<'_> Read for &'_ FdIo

fn scatter_read(&mut self, bufs: &mut [&mut [d8]]) -> Result<usize>

Reads from the byte-stream into multiple buffers.

fn read(&mut self, buf: &mut [d8]) -> Result<usize>

Reads from the byte-stream into a buffer.

fn read_all(&mut self, buf: &mut [d8]) -> Result<usize>

Tries to read bytes until the buffer is buffer.

impl Write for FdIo

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

Writes multiple buffers to the byte-stream.

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

Write a buffer to the byte stream.

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

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

Tries to write the complete buffer to the byte-stream.

fn write_str(&mut self, buf: &str) -> Result<usize>

Writes a string to the byte-stream.

fn write_fmt_linux(&mut self, fmt: Arguments) -> Result<()>

impl<'_> Write for &'_ FdIo

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

Writes multiple buffers to the byte-stream.

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

Write a buffer to the byte stream.

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

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

Tries to write the complete buffer to the byte-stream.

fn write_str(&mut self, buf: &str) -> Result<usize>

Writes a string to the byte-stream.

fn write_fmt_linux(&mut self, fmt: Arguments) -> Result<()>

impl FdContainer for FdIo

fn is_owned(&self) -> bool

Returns whether the object owns the file descriptor, i.e., whether it closes it when it goes out of scope.

fn borrow(&self) -> c_int

Returns the contained file descriptor.

Important traits for FdIo

impl Write for FdIoimpl<'_> Write for &'_ FdIoimpl Read for FdIoimpl<'_> Read for &'_ FdIo

fn from_owned(fd: c_int) -> FdIo

Creates a new owned object from a file descriptor.

Important traits for FdIo

impl Write for FdIoimpl<'_> Write for &'_ FdIoimpl Read for FdIoimpl<'_> Read for &'_ FdIo

fn from_borrowed(fd: c_int) -> FdIo

Creates a new borrowed object from a file descriptor.

Important traits for FdIo

impl Write for FdIoimpl<'_> Write for &'_ FdIoimpl Read for FdIoimpl<'_> Read for &'_ FdIo

fn as_fdio(&self) -> FdIo

Borrows the file descriptor as an FdIo.

fn is_close_on_exec(&self) -> Result<bool>

Retrieves the status of the close on exec flag.

fn set_close_on_exec(&self, val: bool) -> Result

Enables or disables the close on exec flag.

fn description_flags(&self) -> Result<DescriptionFlags>

Retrieves the file description flags.

fn set_description_flags(&self, flags: DescriptionFlags) -> Result

Sets the file description flags.

fn duplicate(&self) -> Result<Self> where
    Self: Sized, 

Duplicates the file descriptor.

fn duplicate_min(&self, min: c_int) -> Result<Self> where
    Self: Sized, 

Duplicates the file descriptor so that the duplicated one has a minimum value.

fn duplicate_as(&self, new: c_int) -> Result<Self> where
    Self: Sized, 

Duplicates the file descriptor, replacing an existing one.

impl Eq for FdIo

impl Into<i32> for FdIo

fn into(self) -> c_int

Performs the conversion.

impl PartialEq<FdIo> for FdIo

fn eq(&self, other: &FdIo) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &FdIo) -> bool

This method tests for !=.

impl Copy for FdIo

impl Clone for FdIo

Important traits for FdIo

impl Write for FdIoimpl<'_> Write for &'_ FdIoimpl Read for FdIoimpl<'_> Read for &'_ FdIo

fn clone(&self) -> FdIo

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Write for FdIo

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

Write a buffer into this writer, returning how many bytes were written.

fn write_vectored(&mut self, bufs: &[IoSlice]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers.

fn flush(&mut self) -> Result<(), Error>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination.

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

Attempts to write an entire buffer into this writer.

fn write_fmt(&mut self, fmt: Arguments) -> Result<(), Error>

Writes a formatted string into this writer, returning any error encountered.

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

Creates a "by reference" adaptor for this instance of Write.

impl<'_> Write for &'_ FdIo

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

Write a buffer into this writer, returning how many bytes were written.

fn write_vectored(&mut self, bufs: &[IoSlice]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers.

fn flush(&mut self) -> Result<(), Error>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination.

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

Attempts to write an entire buffer into this writer.

fn write_fmt(&mut self, fmt: Arguments) -> Result<(), Error>

Writes a formatted string into this writer, returning any error encountered.

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

Creates a "by reference" adaptor for this instance of Write.

impl Read for FdIo

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

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

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

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

unsafe fn initializer(&self) -> Initializer

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

Determines if this Reader can work with buffers of uninitialized memory.

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

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

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

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

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

Read the exact number of bytes required to fill buf.

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

Creates a "by reference" adaptor for this instance of Read.

fn bytes(self) -> Bytes<Self>

Transforms this Read instance to an [Iterator] over its bytes.

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

Creates an adaptor which will chain this stream with another.

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

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

impl<'_> Read for &'_ FdIo

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

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

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

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

unsafe fn initializer(&self) -> Initializer

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

Determines if this Reader can work with buffers of uninitialized memory.

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

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

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

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

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

Read the exact number of bytes required to fill buf.

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

Creates a "by reference" adaptor for this instance of Read.

fn bytes(self) -> Bytes<Self>

Transforms this Read instance to an [Iterator] over its bytes.

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

Creates an adaptor which will chain this stream with another.

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

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