assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);
}
assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);
}