Trait Poll 

pub trait Poll {
    type Context;
    type Error: Copy + Eq;

    // Required methods
    unsafe fn commit<'a, Q: Quota>(
        &'a mut self,
        quota: Q,
        deferred: impl FnOnce() -> bool,
    ) -> Result<Poll<()>, Self::Error>
       where Self::Context: 'a;
    unsafe fn wait<'a, Q: Quota>(
        &'a mut self,
        quota: Q,
        timeout: Option<Duration>,
        busy: impl FnOnce() -> bool,
    ) -> Result<(), Self::Error>
       where Self::Context: 'a;
}

Commits and waits while the host retains the registered operation owners.

Required Associated Types

type Context

type Error: Copy + Eq

Required Methods

unsafe fn commit<'a, Q: Quota>( &'a mut self, quota: Q, deferred: impl FnOnce() -> bool, ) -> Result<Poll<()>, Self::Error>

where Self::Context: 'a,

Safety

Registered storage and kernel identities remain valid for this driver’s flights.

unsafe fn wait<'a, Q: Quota>( &'a mut self, quota: Q, timeout: Option<Duration>, busy: impl FnOnce() -> bool, ) -> Result<(), Self::Error>

where Self::Context: 'a,

Safety

Registered storage and kernel identities remain valid for this driver’s flights.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors