Enum SignalHandler

pub enum SignalHandler {
    Default,
    Ignore,
    Hook(SignalHook),
}

Available on Unix and crate feature signals only.

A signal handling method.

Variants

Default

Use the default behavior specified by POSIX.

Ignore

Ignore the signal whenever it is received.

Hook(SignalHook)

Call a function whenever the signal is received.

Implementations

impl SignalHandler

pub const fn is_default(self) -> bool

Returns true for the Default variant, false otherwise.

pub const fn is_ignore(self) -> bool

Returns true for the Ignore variant, false otherwise.

pub const fn is_hook(self) -> bool

Returns true for the Hook variant, false otherwise.

pub unsafe fn from_fn(function: fn()) -> Self

Creates a handler which calls the specified function.

Safety

The function must not call any C functions which are not considered signal-safe. See the module-level section on signal-safe C functions for more.

Trait Implementations

impl Clone for SignalHandler

fn clone(&self) -> SignalHandler

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SignalHandler

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

Formats the value using the given formatter.

impl Default for SignalHandler

fn default() -> Self

Returns SignalHandler::Default.

impl From<SignalHook> for SignalHandler

fn from(op: SignalHook) -> Self

Converts to this type from the input type.

impl PartialEq for SignalHandler

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for SignalHandler

impl Eq for SignalHandler

impl StructuralPartialEq for SignalHandler