func openPoller() (pr *poller, err error) {
	pr = new(poller)
	if pr.fd, err = unix.EpollCreate1(unix.EPOLL_CLOEXEC); err != nil {
		pr = nil
		return
	}
	return
}
// openPoller instantiates a poller.
openPoller instantiates a poller.
// openPoller instantiates a poller .
func openPoller() (pr *poller, err error) {
	pr = new(poller)
	if pr.fd, err = unix.EpollCreate1(unix.EPOLL_CLOEXEC); err != nil {
		pr = nil
		return
	}
	return
}
func openPoller ( ) ( pr * poller , err error ) { pr = new ( poller ) if pr . fd , err = unix . EpollCreate1 ( unix . EPOLL_CLOEXEC ) ; err != nil { pr = nil return } return }
openPoller instantiates a poller.
openPoller instantiates a poller .