Trait UnixDatagramExt 

pub trait UnixDatagramExt {
    // Required methods
    fn send_fds(&self, data: &[u8], fds: &[impl AsFd]) -> Result<usize>;
    fn recv_fds<const N: usize>(&self) -> Result<ReceivedFds>;
    fn recv_fds_into<const N: usize>(
        &self,
        data_buf: &mut [u8],
    ) -> Result<(usize, Vec<OwnedFd>)>;
}

Extension trait for UnixDatagram adding fd-passing convenience methods.

Required Methods

fn send_fds(&self, data: &[u8], fds: &[impl AsFd]) -> Result<usize>

Send data plus borrowed fds. The socket must be connected.

fn recv_fds<const N: usize>(&self) -> Result<ReceivedFds>

Receive data and up to N fds.

Allocates an internal 64 KiB data buffer plus an oversized cmsg buffer that prevents kernel-level fd leaks. Surplus fds beyond N are closed automatically.

fn recv_fds_into<const N: usize>( &self, data_buf: &mut [u8], ) -> Result<(usize, Vec<OwnedFd>)>

Like recv_fds but writes data into a caller-supplied buffer. Returns (bytes_read, fds).

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl UnixDatagramExt for UnixDatagram

fn send_fds(&self, data: &[u8], fds: &[impl AsFd]) -> Result<usize>

fn recv_fds<const N: usize>(&self) -> Result<ReceivedFds>

fn recv_fds_into<const N: usize>( &self, data_buf: &mut [u8], ) -> Result<(usize, Vec<OwnedFd>)>

Implementors