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#[cfg(any(
target_os = "android",
target_os = "illumos",
target_os = "linux",
target_os = "redox",
))]
mod epoll;
#[cfg(any(
target_os = "android",
target_os = "illumos",
target_os = "linux",
target_os = "redox",
))]
pub(crate) use self::epoll::{event, Event, Events, Selector};
#[cfg(any(
target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd"
))]
mod kqueue;
#[cfg(any(
target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd"
))]
pub(crate) use self::kqueue::{event, Event, Events, Selector};
/// Lowest file descriptor used in `Selector::try_clone`.
///
/// # Notes
///
/// Usually fds 0, 1 and 2 are standard in, out and error. Some application
/// blindly assume this to be true, which means using any one of those a select
/// could result in some interesting and unexpected errors. Avoid that by using
/// an fd that doesn't have a pre-determined usage.
const LOWEST_FD: libc::c_int = 3;
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