Enum BackgroundPrefetchWorkerError 

pub enum BackgroundPrefetchWorkerError {
    StatePoisoned,
    WorkerDisconnected,
    OperationFailed {
        id: OffloadUnitId,
        message: String,
    },
    State(PrefetchStateError),
    Io(Error),
}

Failure from the backend-neutral background prefetch worker.

Variants

StatePoisoned

Shared worker state was poisoned.

WorkerDisconnected

The worker ended before accepting or completing required work.

OperationFailed

A backend operation failed and was retained for demand or cancellation.

Fields

id: OffloadUnitId

Failed residency unit.

message: String

Original backend failure.

State(PrefetchStateError)

Backend-neutral lifecycle misuse.

Io(Error)

Worker creation failed.

Trait Implementations

impl Debug for BackgroundPrefetchWorkerError

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

Formats the value using the given formatter.

impl Display for BackgroundPrefetchWorkerError

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

Formats the value using the given formatter.

impl Error for BackgroundPrefetchWorkerError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<Error> for BackgroundPrefetchWorkerError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<PrefetchStateError> for BackgroundPrefetchWorkerError

fn from(source: PrefetchStateError) -> Self

Converts to this type from the input type.