Enum pidfile_rs::PidfileError

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

Variants

AlreadyRunning

The file cannot be locked. The pid field contains the PID of the already running process or None in case it did not write its PID yet.

Fields of AlreadyRunning

pid: Option<pid_t>

Io(Error)

An I/O error has occurred.

NulError(NulError)

An interior NUL byte was found in the path.

Trait Implementations

impl Debug for PidfileError

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

Formats the value using the given formatter.

impl Display for PidfileError

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

Formats the value using the given formatter.

impl Error for PidfileError

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<Error> for PidfileError

fn from(source: Error) -> Self

Performs the conversion.

impl From<NulError> for PidfileError

fn from(source: NulError) -> Self

Performs the conversion.