// If block is very close, allow full maximum
                        if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
                                max_simul_dynamic = max_simul_sends_setting;

                        // Don't select too many blocks for sending
                        if(num_blocks_selected >= max_simul_dynamic)
                        {
                                queue_is_full = true;
                                goto queue_full_break;
                        }

                        // Don't send blocks that are currently being transferred
                        if(m_blocks_sending.find(p) != NULL)
                                continue;

                        /*
                                Do not go over-limit
                        */