Enum MaybeRegistered 

pub enum MaybeRegistered<R, F> {
    Registered(R),
    Fallback(F),
}

Variants

Registered(R)

Fallback(F)

Trait Implementations

impl<R: IoBuf, F: IoBuf> IoBuf for MaybeRegistered<R, F>

fn stable_ptr(&self) -> *const u8

Returns a stable pointer to the start of the initialized data.

fn bytes_init(&self) -> usize

Number of initialized bytes, valid to read.

fn bytes_total(&self) -> usize

Total capacity, including uninitialized memory. This is what gets passed to the kernel for reads.

fn slice(self, range: impl RangeBounds<usize>) -> Slice<Self>

where Self: Sized,

Returns a bounded view into this buffer.

impl<R: IoBufMut, F: IoBufMut> IoBufMut for MaybeRegistered<R, F>

fn stable_mut_ptr(&mut self) -> *mut u8

Returns a stable mutable pointer to the start of the buffer.

unsafe fn set_init(&mut self, pos: usize)

Mark the first pos bytes as initialized.

fn clear(&mut self)

Clear this buffer, setting the initialized bytes to 0.