Function get_last_valid_idx

dpdk/lib/vhost/fd_man.c:18–27

#define FDPOLLERR (POLLERR | POLLHUP | POLLNVAL)

static int
get_last_valid_idx(struct fdset *pfdset, int last_valid_idx)
{
	int i;

	for (i = last_valid_idx; i >= 0 && pfdset->fd[i].fd == -1; i--)
		;

	return i;
}

static void
fdset_move(struct fdset *pfdset, int dst, int src)