EV_DISABLE
if ((kev->flags & EV_DISABLE) &&
kev.flags = EV_DISABLE|EV_DELETE;
kev.flags = EV_DISABLE|EV_DELETE;
EV_SET(&kev, fd, EVFILT_READ, EV_DELETE|EV_DISABLE, 0, 0, NULL);
EVFILT_READ, EV_DISABLE, 0, 0, s);
EVFILT_READ, EV_DISABLE, 0, 0, s);
EVFILT_READ, EV_DISABLE, 0, 0, s);