Struct ReadVectoredAt

pub struct ReadVectoredAt<T: IoVectoredBufMut, S> { /* private fields */ }

Read a file at specified position into vectored buffer.

Implementations

impl<T: IoVectoredBufMut, S> ReadVectoredAt<T, S>

pub fn new(fd: S, offset: u64, buffer: T) -> Self

Create ReadVectoredAt.

Trait Implementations

impl<T: IoVectoredBufMut, S> IntoInner for ReadVectoredAt<T, S>

type Inner = T

The inner type.

fn into_inner(self) -> Self::Inner

Get the inner buffer.

impl<T: IoVectoredBufMut, S: AsFd> OpCode for ReadVectoredAt<T, S>

fn pre_submit(self: Pin<&mut Self>) -> Result<Decision>

Perform the operation before submit, and return Decision to indicate whether submitting the operation to polling is required.

fn operate(self: Pin<&mut Self>) -> Poll<Result<usize>>

Perform the operation after received corresponding event. If this operation is blocking, the return value should be Poll::Ready.

fn op_type(self: Pin<&mut Self>) -> Option<OpType>

Get the operation type when an event is occurred.