Function wait

src/event/epoll.rs:207–216

(
    epoll: EpollFd,
    mut event_list: Buf,
    timeout: Option<&Timespec>,
)

#[doc(alias = "epoll_wait")]
#[inline]
pub fn wait<EpollFd: AsFd, Buf: Buffer<Event>>(
    epoll: EpollFd,
    mut event_list: Buf,
    timeout: Option<&Timespec>,
) -> io::Result<Buf::Output> {
    // SAFETY: `epoll_wait` behaves.
    let nfds = unsafe { syscalls::epoll_wait(epoll.as_fd(), event_list.parts_mut(), timeout)? };
    // SAFETY: `epoll_wait` behaves.
    unsafe { Ok(event_list.assume_init(nfds)) }
}

/// A record of an event that occurred.
#[repr(C)]