Struct compio_runtime::Attacher

pub struct Attacher { /* private fields */ }

Attach a handle to the driver of current thread.

A handle can and only can attach once to one driver. However, the handle itself is Send & Sync. We mark it !Send & !Sync to warn users, making them ensure that they are using it in the correct thread.

Implementations

impl Attacher

pub const fn new() -> Self

Create Attacher.

pub fn attach(&self, source: &impl AsRawFd) -> Result<()>

Attach the source. This method could be called many times, but if the action fails, the error will only return once.

You should always call this method before accessing the runtime. It ensures that the current runtime is the exact runtime attached before.

pub fn is_attached(&self) -> bool

Check if [attach] has been called.

pub fn try_clone(&self, source: &impl AsRawFd) -> Result<Self>

Try clone self with the cloned source. The attach state will be reserved.

Platform specific

• io-uring/polling: it will try to attach in the current thread if needed.

Trait Implementations

impl Clone for Attacher

fn clone(&self) -> Attacher

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Attacher

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.