Enum mz_pid_file::Error

pub enum Error {
    Io(Error),
    Nul(NulError),
    AlreadyRunning {
        pid: Option<i32>,
    },
}

A PID file-related error.

Variants

Io(Error)

An I/O error occurred.

Nul(NulError)

The provided path had embedded null bytes.

AlreadyRunning

Fields

pid: Option<i32>

The PID of the existing process, if it is known.

Another process already has the lock on the requested PID file.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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

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, demand: &mut Demand<'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 Error

fn from(e: Error) -> Self

Converts to this type from the input type.

impl From<NulError> for Error

fn from(e: NulError) -> Error

Converts to this type from the input type.