Struct Poller 

pub struct Poller { /* private fields */ }

Trait Implementations

impl Clone for Poller

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for Poller

fn default() -> Poller

Returns the “default value” for a type.

impl PollableRegistry for Poller

type RegisteredPollable = Arc<Pollable>

fn register_pollable( &self, cx: &mut Context<'_>, pollable: Pollable, ) -> Self::RegisteredPollable

Registers the given pollable to be polled. When the pollable is ready the the given context’s waker should be called. The pollable must be immediately dropped when the returned RegisteredPollable is dropped.

fn poll(&self) -> bool

Poll all pollables. Returns false if there are no active pollables.

fn block_on<T>(&self, fut: impl Future<Output = T>) -> Result<T, Stalled>

Runs the given future to completion, polling any WASI pollables that are registered with this registry. Returns Err(Stalled) if there are no active pollables while the future is pending.