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macro_rules! os_required {
() => {
panic!("mio must be compiled with `os-poll` to run.")
};
}
mod selector;
pub(crate) use self::selector::{event, Event, Events, Selector};
#[cfg(not(target_os = "wasi"))]
mod waker;
#[cfg(not(target_os = "wasi"))]
pub(crate) use self::waker::Waker;
cfg_net! {
pub(crate) mod tcp;
pub(crate) mod udp;
#[cfg(unix)]
pub(crate) mod uds;
}
cfg_io_source! {
use std::io;
#[cfg(any(unix))]
use std::os::fd::RawFd;
// can use `std::os::fd` and be merged with the above.
#[cfg(target_os = "hermit")]
use std::os::hermit::io::RawFd;
#[cfg(windows)]
use std::os::windows::io::RawSocket;
#[cfg(any(windows, unix, target_os = "hermit"))]
use crate::{Registry, Token, Interest};
pub(crate) struct IoSourceState;
impl IoSourceState {
pub fn new() -> IoSourceState {
IoSourceState
}
pub fn do_io<T, F, R>(&self, f: F, io: &T) -> io::Result<R>
where
F: FnOnce(&T) -> io::Result<R>,
{
// We don't hold state, so we can just call the function and
// return.
f(io)
}
}
#[cfg(any(unix, target_os = "hermit"))]
impl IoSourceState {
pub fn register(
&mut self,
_: &Registry,
_: Token,
_: Interest,
_: RawFd,
) -> io::Result<()> {
os_required!()
}
pub fn reregister(
&mut self,
_: &Registry,
_: Token,
_: Interest,
_: RawFd,
) -> io::Result<()> {
os_required!()
}
pub fn deregister(&mut self, _: &Registry, _: RawFd) -> io::Result<()> {
os_required!()
}
}
#[cfg(windows)]
impl IoSourceState {
pub fn register(
&mut self,
_: &Registry,
_: Token,
_: Interest,
_: RawSocket,
) -> io::Result<()> {
os_required!()
}
pub fn reregister(
&mut self,
_: &Registry,
_: Token,
_: Interest,
) -> io::Result<()> {
os_required!()
}
pub fn deregister(&mut self) -> io::Result<()> {
os_required!()
}
}
}