Enum PidFileError 

pub enum PidFileError {
    Empty,
    NotANumber(String),
    Negative(String),
    Impossible(String),
}

Why the text of a PID file does not name a process.

Variants

Empty

Nothing but whitespace.

NotANumber(String)

Not a decimal integer.

Negative(String)

A negative number (-1 is “every process” for kill(2)).

Impossible(String)

Zero, PID 1, or larger than i32::MAX.

Trait Implementations

impl Clone for PidFileError

fn clone(&self) -> PidFileError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PidFileError

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

Formats the value using the given formatter.

impl Display for PidFileError

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

Formats the value using the given formatter.

impl Eq for PidFileError

impl Error for PidFileError

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.

impl PartialEq for PidFileError

fn eq(&self, other: &PidFileError) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for PidFileError