mio 1.2.2

Lightweight non-blocking I/O.
Documentation 
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use std::io;

use crate::sys::Selector;
use crate::Token;

/// Waker backed by Solaris event ports user events.
#[derive(Debug)]
pub(crate) struct Waker {
    selector: Selector,
    token: Token,
}

impl Waker {
    pub(crate) fn new(selector: &Selector, token: Token) -> io::Result<Waker> {
        Ok(Waker {
            selector: selector.try_clone()?,
            token,
        })
    }

    pub(crate) fn wake(&self) -> io::Result<()> {
        self.selector.wake(self.token)
    }
}