Enum SignalManagerError 

pub enum SignalManagerError {
    UnknownSignal(i32),
    UnsupportedSignal {
        signal: i32,
    },
    ListenAlreadyRunning,
    WindowsFallbackAlreadyActive,
    ListenerInit(String),
    InjectorClosed,
    ListenTimeout(Duration),
}

Errors returned by SignalManager operations.

Variants

UnknownSignal(i32)

A signal number was not found in the catalog.

UnsupportedSignal

The signal is known but unsupported on this platform.

Fields

signal: i32

Unsupported signal number.

ListenAlreadyRunning

Listener cannot be started more than once at a time.

WindowsFallbackAlreadyActive

Windows fallback supports only one active listener per process.

ListenerInit(String)

Signal listener backend initialization failed.

InjectorClosed

Injection channel is closed.

ListenTimeout(Duration)

Timed out waiting for the listener to start.

Trait Implementations

impl Debug for SignalManagerError

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

Formats the value using the given formatter.

impl Display for SignalManagerError

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

Formats the value using the given formatter.

impl Error for SignalManagerError

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.