pub struct PollFd<T>(/* private fields */)
where
T: AsFd;Available on crate feature
runtime only.Expand description
Providing functionalities to wait for readiness.
Implementations§
Source§impl<T> PollFd<T>where
T: AsFd + 'static,
impl<T> PollFd<T>where
T: AsFd + 'static,
Sourcepub async fn accept_ready(&self) -> Result<(), Error>
Available on crate feature net only.
pub async fn accept_ready(&self) -> Result<(), Error>
net only.Wait for accept readiness, before calling accept, or after accept
returns WouldBlock.
Sourcepub async fn connect_ready(&self) -> Result<(), Error>
Available on crate feature net only.
pub async fn connect_ready(&self) -> Result<(), Error>
net only.Wait for connect readiness.
Sourcepub async fn read_ready(&self) -> Result<(), Error>
Available on crate feature net only.
pub async fn read_ready(&self) -> Result<(), Error>
net only.Wait for read readiness.
Sourcepub async fn write_ready(&self) -> Result<(), Error>
Available on crate feature net only.
pub async fn write_ready(&self) -> Result<(), Error>
net only.Wait for write readiness.
Sourcepub fn poll_accept_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Error>>
Available on crate feature net only.
pub fn poll_accept_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Error>>
net only.Poll for accept readiness.
Sourcepub fn poll_connect_ready(
&self,
cx: &mut Context<'_>,
) -> Poll<Result<(), Error>>
Available on crate feature net only.
pub fn poll_connect_ready( &self, cx: &mut Context<'_>, ) -> Poll<Result<(), Error>>
net only.Poll for connect readiness.
Sourcepub fn poll_read_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Error>>
Available on crate feature net only.
pub fn poll_read_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Error>>
net only.Poll for read readiness.
Sourcepub fn poll_write_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Error>>
Available on crate feature net only.
pub fn poll_write_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Error>>
net only.Poll for write readiness.
Sourcepub fn poll_accept_with<R>(
&self,
cx: &mut Context<'_>,
f: impl FnMut(&T) -> Result<R, Error>,
) -> Poll<Result<R, Error>>
Available on crate feature net only.
pub fn poll_accept_with<R>( &self, cx: &mut Context<'_>, f: impl FnMut(&T) -> Result<R, Error>, ) -> Poll<Result<R, Error>>
net only.Poll for accept readiness and call the provided function.
Source§impl<T> PollFd<T>
impl<T> PollFd<T>
Sourcepub fn poll_read(
&self,
cx: &mut Context<'_>,
buf: &mut [u8],
) -> Poll<Result<usize, Error>>
Available on crate feature net only.
pub fn poll_read( &self, cx: &mut Context<'_>, buf: &mut [u8], ) -> Poll<Result<usize, Error>>
net only.Poll for read readiness and read data.
Sourcepub fn poll_read_buf(
&self,
cx: &mut Context<'_>,
buf: BorrowedCursor<'_, u8>,
) -> Poll<Result<(), Error>>
Available on crate features net and read_buf only.
pub fn poll_read_buf( &self, cx: &mut Context<'_>, buf: BorrowedCursor<'_, u8>, ) -> Poll<Result<(), Error>>
net and read_buf only.Poll for read readiness and read data into an uninitialized buffer.
Trait Implementations§
Source§impl<T> AsFd for PollFd<T>where
T: AsFd,
impl<T> AsFd for PollFd<T>where
T: AsFd,
Source§fn as_fd(&self) -> BorrowedFd<'_>
fn as_fd(&self) -> BorrowedFd<'_>
Borrows the file descriptor. Read more
Source§impl<T> AsyncRead for &PollFd<T>
impl<T> AsyncRead for &PollFd<T>
Source§impl<T> AsyncRead for PollFd<T>
impl<T> AsyncRead for PollFd<T>
Source§impl<T> AsyncWrite for &PollFd<T>
impl<T> AsyncWrite for &PollFd<T>
Source§fn poll_write(
self: Pin<&mut &PollFd<T>>,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<Result<usize, Error>>
fn poll_write( self: Pin<&mut &PollFd<T>>, cx: &mut Context<'_>, buf: &[u8], ) -> Poll<Result<usize, Error>>
Attempt to write bytes from
buf into the object. Read moreSource§fn poll_flush(
self: Pin<&mut &PollFd<T>>,
_cx: &mut Context<'_>,
) -> Poll<Result<(), Error>>
fn poll_flush( self: Pin<&mut &PollFd<T>>, _cx: &mut Context<'_>, ) -> Poll<Result<(), Error>>
Attempt to flush the object, ensuring that any buffered data reach
their destination. Read more
Source§impl<T> AsyncWrite for PollFd<T>
impl<T> AsyncWrite for PollFd<T>
Source§fn poll_write(
self: Pin<&mut PollFd<T>>,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<Result<usize, Error>>
fn poll_write( self: Pin<&mut PollFd<T>>, cx: &mut Context<'_>, buf: &[u8], ) -> Poll<Result<usize, Error>>
Attempt to write bytes from
buf into the object. Read moreSource§fn poll_flush(
self: Pin<&mut PollFd<T>>,
_cx: &mut Context<'_>,
) -> Poll<Result<(), Error>>
fn poll_flush( self: Pin<&mut PollFd<T>>, _cx: &mut Context<'_>, ) -> Poll<Result<(), Error>>
Attempt to flush the object, ensuring that any buffered data reach
their destination. Read more
Return a cloned
SharedFd.Auto Trait Implementations§
impl<T> !Freeze for PollFd<T>
impl<T> !RefUnwindSafe for PollFd<T>
impl<T> !Send for PollFd<T>
impl<T> !Sync for PollFd<T>
impl<T> !UnwindSafe for PollFd<T>
impl<T> Unpin for PollFd<T>
impl<T> UnsafeUnpin for PollFd<T>
Blanket Implementations§
§impl<T> AsSource for Twhere
T: AsFd,
impl<T> AsSource for Twhere
T: AsFd,
§fn source(&self) -> BorrowedFd<'_>
fn source(&self) -> BorrowedFd<'_>
Returns the borrowed file descriptor.
§impl<R> AsyncReadExt for Rwhere
R: AsyncRead + ?Sized,
impl<R> AsyncReadExt for Rwhere
R: AsyncRead + ?Sized,
§fn chain<R>(self, next: R) -> Chain<Self, R>where
Self: Sized,
R: AsyncRead,
fn chain<R>(self, next: R) -> Chain<Self, R>where
Self: Sized,
R: AsyncRead,
Creates an adaptor which will chain this stream with another. Read more
§fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self> ⓘwhere
Self: Unpin,
fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self> ⓘwhere
Self: Unpin,
Tries to read some bytes directly into the given
buf in asynchronous
manner, returning a future type. Read more§fn read_vectored<'a>(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>],
) -> ReadVectored<'a, Self> ⓘwhere
Self: Unpin,
fn read_vectored<'a>(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>],
) -> ReadVectored<'a, Self> ⓘwhere
Self: Unpin,
Creates a future which will read from the
AsyncRead into bufs using vectored
IO operations. Read more§fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self> ⓘwhere
Self: Unpin,
fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self> ⓘwhere
Self: Unpin,
Creates a future which will read exactly enough bytes to fill
buf,
returning an error if end of file (EOF) is hit sooner. Read more§fn read_to_end<'a>(&'a mut self, buf: &'a mut Vec<u8>) -> ReadToEnd<'a, Self> ⓘwhere
Self: Unpin,
fn read_to_end<'a>(&'a mut self, buf: &'a mut Vec<u8>) -> ReadToEnd<'a, Self> ⓘwhere
Self: Unpin,
Creates a future which will read all the bytes from this
AsyncRead. Read more§fn read_to_string<'a>(
&'a mut self,
buf: &'a mut String,
) -> ReadToString<'a, Self> ⓘwhere
Self: Unpin,
fn read_to_string<'a>(
&'a mut self,
buf: &'a mut String,
) -> ReadToString<'a, Self> ⓘwhere
Self: Unpin,
Creates a future which will read all the bytes from this
AsyncRead. Read more§impl<W> AsyncWriteExt for Wwhere
W: AsyncWrite + ?Sized,
impl<W> AsyncWriteExt for Wwhere
W: AsyncWrite + ?Sized,
§fn flush(&mut self) -> Flush<'_, Self> ⓘwhere
Self: Unpin,
fn flush(&mut self) -> Flush<'_, Self> ⓘwhere
Self: Unpin,
Creates a future which will entirely flush this
AsyncWrite. Read more§fn close(&mut self) -> Close<'_, Self> ⓘwhere
Self: Unpin,
fn close(&mut self) -> Close<'_, Self> ⓘwhere
Self: Unpin,
Creates a future which will entirely close this
AsyncWrite.§fn write<'a>(&'a mut self, buf: &'a [u8]) -> Write<'a, Self> ⓘwhere
Self: Unpin,
fn write<'a>(&'a mut self, buf: &'a [u8]) -> Write<'a, Self> ⓘwhere
Self: Unpin,
Creates a future which will write bytes from
buf into the object. Read more§fn write_vectored<'a>(
&'a mut self,
bufs: &'a [IoSlice<'a>],
) -> WriteVectored<'a, Self> ⓘwhere
Self: Unpin,
fn write_vectored<'a>(
&'a mut self,
bufs: &'a [IoSlice<'a>],
) -> WriteVectored<'a, Self> ⓘwhere
Self: Unpin,
Creates a future which will write bytes from
bufs into the object using vectored
IO operations. Read moreSource§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more