Function axlibc::poll

#[no_mangle]
pub unsafe extern "C" fn poll(
    fds: *mut pollfd,
    nfds: nfds_t,
    timeout: c_int
) -> c_int

Available on (crate features select or poll or epoll) and crate feature poll only.

Monitor multiple file descriptors, waiting until one or more of the file descriptors become “ready” for some class of I/O operation