Struct wasmtime_wasi::AsyncStdoutStream
source · pub struct AsyncStdoutStream(/* private fields */);
Expand description
A wrapper of crate::pipe::AsyncWriteStream
that implements
StdoutStream
. Note that the HostOutputStream
impl for this is not
correct when used for interleaved async IO.
Implementations§
source§impl AsyncStdoutStream
impl AsyncStdoutStream
pub fn new(s: AsyncWriteStream) -> Self
Trait Implementations§
source§impl HostOutputStream for AsyncStdoutStream
impl HostOutputStream for AsyncStdoutStream
source§fn check_write(&mut self) -> Result<usize, StreamError>
fn check_write(&mut self) -> Result<usize, StreamError>
Returns the number of bytes that are ready to be written to this stream. Read more
source§fn write(&mut self, bytes: Bytes) -> Result<(), StreamError>
fn write(&mut self, bytes: Bytes) -> Result<(), StreamError>
Write bytes after obtaining a permit to write those bytes Read more
source§fn flush(&mut self) -> Result<(), StreamError>
fn flush(&mut self) -> Result<(), StreamError>
Trigger a flush of any bytes buffered in this stream implementation. Read more
source§fn cancel<'life0, 'async_trait>(
&'life0 mut self,
) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn cancel<'life0, 'async_trait>(
&'life0 mut self,
) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Cancel any asynchronous work and wait for it to wrap up.
source§fn blocking_write_and_flush<'life0, 'async_trait>(
&'life0 mut self,
bytes: Bytes,
) -> Pin<Box<dyn Future<Output = StreamResult<()>> + Send + 'async_trait>>where
Self: Send + 'async_trait,
'life0: 'async_trait,
fn blocking_write_and_flush<'life0, 'async_trait>(
&'life0 mut self,
bytes: Bytes,
) -> Pin<Box<dyn Future<Output = StreamResult<()>> + Send + 'async_trait>>where
Self: Send + 'async_trait,
'life0: 'async_trait,
Perform a write of up to 4096 bytes, and then flush the stream. Block
until all of these operations are complete, or an error occurs. Read more
source§fn write_zeroes(&mut self, nelem: usize) -> StreamResult<()>
fn write_zeroes(&mut self, nelem: usize) -> StreamResult<()>
Repeatedly write a byte to a stream.
Important: this write must be non-blocking!
Returning an Err which downcasts to a
StreamError
will be
reported to Wasm as the empty error result. Otherwise, errors will trap.source§fn blocking_write_zeroes_and_flush<'life0, 'async_trait>(
&'life0 mut self,
nelem: usize,
) -> Pin<Box<dyn Future<Output = StreamResult<()>> + Send + 'async_trait>>where
Self: Send + 'async_trait,
'life0: 'async_trait,
fn blocking_write_zeroes_and_flush<'life0, 'async_trait>(
&'life0 mut self,
nelem: usize,
) -> Pin<Box<dyn Future<Output = StreamResult<()>> + Send + 'async_trait>>where
Self: Send + 'async_trait,
'life0: 'async_trait,
Perform a write of up to 4096 zeroes, and then flush the stream.
Block until all of these operations are complete, or an error
occurs. Read more
source§fn write_ready<'life0, 'async_trait>(
&'life0 mut self,
) -> Pin<Box<dyn Future<Output = StreamResult<usize>> + Send + 'async_trait>>where
Self: Send + 'async_trait,
'life0: 'async_trait,
fn write_ready<'life0, 'async_trait>(
&'life0 mut self,
) -> Pin<Box<dyn Future<Output = StreamResult<usize>> + Send + 'async_trait>>where
Self: Send + 'async_trait,
'life0: 'async_trait,
Simultaneously waits for this stream to be writable and then returns how
much may be written or the last error that happened.
source§impl StdoutStream for AsyncStdoutStream
impl StdoutStream for AsyncStdoutStream
source§impl Subscribe for AsyncStdoutStream
impl Subscribe for AsyncStdoutStream
Auto Trait Implementations§
impl Freeze for AsyncStdoutStream
impl !RefUnwindSafe for AsyncStdoutStream
impl Send for AsyncStdoutStream
impl Sync for AsyncStdoutStream
impl Unpin for AsyncStdoutStream
impl !UnwindSafe for AsyncStdoutStream
Blanket Implementations§
source§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
source§impl<T> GetSetFdFlags for T
impl<T> GetSetFdFlags for T
source§fn get_fd_flags(&self) -> Result<FdFlags, Error>where
T: AsFilelike,
fn get_fd_flags(&self) -> Result<FdFlags, Error>where
T: AsFilelike,
Query the “status” flags for the
self
file descriptor.source§fn new_set_fd_flags(&self, fd_flags: FdFlags) -> Result<SetFdFlags<T>, Error>where
T: AsFilelike,
fn new_set_fd_flags(&self, fd_flags: FdFlags) -> Result<SetFdFlags<T>, Error>where
T: AsFilelike,
source§fn set_fd_flags(&mut self, set_fd_flags: SetFdFlags<T>) -> Result<(), Error>where
T: AsFilelike,
fn set_fd_flags(&mut self, set_fd_flags: SetFdFlags<T>) -> Result<(), Error>where
T: AsFilelike,
Set the “status” flags for the
self
file descriptor. Read moresource§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> 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