Enum InstanceLockError 

pub enum InstanceLockError {
    AlreadyRunning,
    Unavailable(Error),
}

Why acquire did not take the lock.

Variants

AlreadyRunning

Another process on this host holds the lock for the same token.

Unavailable(Error)

The check itself failed, so it is unknown whether another process is running.

Trait Implementations

impl Debug for InstanceLockError

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

Formats the value using the given formatter.

impl Display for InstanceLockError

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

Formats the value using the given formatter.

impl Error for InstanceLockError

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.