Function at_do_event_changes

components/net/at/at_socket/at_socket.c:241–296

}

static void at_do_event_changes(struct at_socket *sock, at_event_t event, rt_bool_t is_plus)
{
    switch (event)
    {
    case AT_EVENT_SEND:
    {
        if (is_plus)
        {
            sock->sendevent = 1;

#ifdef SAL_USING_POSIX
            rt_wqueue_wakeup(&sock->wait_head, (void*) POLLOUT);
#endif
        }
        else if (sock->sendevent)
        {
            sock->sendevent = 0;
        }
        break;
    }
    case AT_EVENT_RECV:
    {
        if (is_plus)
        {
            sock->rcvevent++;

#ifdef SAL_USING_POSIX
            rt_wqueue_wakeup(&sock->wait_head, (void*) POLLIN);
#endif
        }
        else if (sock->rcvevent)
        {
            sock->rcvevent --;
        }
        break;
    }
    case AT_EVENT_ERROR:
    {
        if (is_plus)
        {
            sock->errevent++;

#ifdef SAL_USING_POSIX
            rt_wqueue_wakeup(&sock->wait_head, (void*) POLLERR);
#endif
        }
        else if (sock->errevent)
        {
            sock->errevent --;
        }
        break;
    }
    default:
        LOG_E("Not supported event (%d)", event);
    }
}

static void at_do_event_clean(struct at_socket *sock, at_event_t event)