Enum pid_file::Error

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

A PID file-related error.

Variants

Io(Error)

Tuple Fields

0: Error

An I/O error occurred.

Nul(NulError)

Tuple Fields

0: 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 backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred.

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

impl From<NulError> for Error

fn from(e: NulError) -> Error

Performs the conversion.