#[cfg(target_os = "linux")]
pub mod epoll;
#[cfg(any(
target_os = "macos",
target_os = "ios",
target_os = "tvos",
target_os = "watchos",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "openbsd",
target_os = "netbsd"
))]
pub mod kqueue;
const NOTIFY_KEY: u64 = u64::MAX;