Struct UringBackend 

pub struct UringBackend { /* private fields */ }

The native io_uring backend.

Implementations

impl UringBackend

pub fn new( config: &RingConfig, completion_tx: Sender<BackendCompletion>, ) -> Result<Self>

Creates a new io_uring backend.

Errors

Returns an error if the kernel does not support io_uring.

pub fn register_files(&self, fds: &[RawFd]) -> Result<()>

Registers a set of file descriptors for use with fixed-file operations.

Errors

Returns an error if the backend is shutting down or if the kernel rejects the registration.

pub fn unregister_files(&self) -> Result<()>

Unregisters all fixed file descriptors.

Errors

Returns an error if the manager thread has panicked or the ring is closed.

pub fn supports_native(&self, descriptor: &OpDescriptor) -> bool

Returns true if the operation is supported natively by this backend.

Trait Implementations

impl Backend for UringBackend

fn kind(&self) -> BackendKind

Returns the backend kind.

fn submit(&self, submission: BackendSubmission) -> Result<()>

Submits work to the backend.

fn cancel(&self, cancellation: CancellationHandle) -> Result<()>

Requests cancellation for in-flight work.

fn shutdown(&self) -> Result<()>

Shuts the backend down.

impl Debug for UringBackend

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

Formats the value using the given formatter.