Enum SingletonError 

pub enum SingletonError {
    AlreadyRunning(u32),
    CreateDirFailed(String),
    LockFailed(String),
    InvalidPath,
}

Errors that can occur during singleton lock operations

Variants

AlreadyRunning(u32)

Another instance is already running

CreateDirFailed(String)

Failed to create the lock directory

LockFailed(String)

Failed to create or manage the lock file

InvalidPath

The lock file path could not be determined

Trait Implementations

impl Debug for SingletonError

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

Formats the value using the given formatter.

impl Display for SingletonError

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

Formats the value using the given formatter.

impl Error for SingletonError

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.