Struct Completion 

pub struct Completion {
    pub user_data: u64,
    pub result: i32,
    pub flags: u32,
    pub op: Option<PendingOp>,
    pub latency: Option<Duration>,
}

Completion result from an io_uring operation.

Fields

user_data: u64

User data identifying the operation.

result: i32

Result code (bytes transferred or negative errno).

flags: u32

Flags from the completion.

op: Option<PendingOp>

The original pending operation, if tracked.

latency: Option<Duration>

Latency from submission to completion.

Implementations

impl Completion

pub const fn is_success(&self) -> bool

Check if the operation succeeded.

pub fn error(&self) -> Option<Error>

Get the error code if the operation failed.

pub const fn bytes_transferred(&self) -> Option<usize>

Get the number of bytes transferred (for read/write operations).

impl Completion

pub fn kind(&self) -> CompletionKind

Get the kind of this completion.

Trait Implementations

impl Debug for Completion

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

Formats the value using the given formatter.