Struct Notifier

pub(crate) struct Notifier {
    read: Async<UnixStream>,
    write: UnixStream,
}

The notifier that uses an asynchronous pipe.

Fields

read: Async<UnixStream>

The read end of the signal pipe.

write: UnixStream

The write end of the signal pipe.

Implementations

impl Notifier

pub(crate) fn new() -> Result<Self>

Create a new signal notifier.

pub(crate) fn add_signal( &mut self, signal: Signal, ) -> Result<impl Fn() + Send + Sync + 'static>

Add a signal to the notifier.

Returns a closure to be passed to signal-hook.

pub(crate) fn remove_signal(&mut self, _signal: Signal) -> Result<()>

Remove a signal from the notifier.

pub(crate) fn poll_next(&self, cx: &mut Context<'_>) -> Poll<Result<Signal>>

Get the next signal.

Trait Implementations

impl AsFd for Notifier

fn as_fd(&self) -> BorrowedFd<'_>

Borrows the file descriptor.

impl AsRawFd for Notifier

fn as_raw_fd(&self) -> RawFd

Extracts the raw file descriptor.

impl Debug for Notifier

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

Formats the value using the given formatter.