一个服务调用允许在ReliableQueue中排队{ queueLength = await queue.GetCountAsync(tx);}using(ITransactiontx= Stat 浏览2提问于2016-06-02得票数 2 回答已采纳 2回答 如何在Rust SQLx中测试两个并行事务? 、、、 ("TX1 begins"); let rows_affected = repo.insert_credentials(&muttx1, &credentials).awa...
C:igb_tx_queue_mapping 函数分析【选择合适的传输队列】 5. 源码分析-(RX)在数据包到达网卡后,网卡如何把内存数据送到用户态,应用层你的手里 A:源码调用分析 B:igb_poll 分析 C:igb_clean_rx_irq 分析(从NIC接收队列中断请求,并传递到上层处理(也就是协议层】) D:igb_clean_rx_irq 分析 6. 通过命令...
txEntra.length=大小of(TX_test_PAC); /*配置CMD_PROP_TX_ADV */ RF_TX_Adv_cmd_init(&RF_TX_Adv_cmd); txQueue.pCurrEntry=(uint8_t*)&txEntry; txQueue.pLastEntry=空; /*请求访问对讲机*/ rfHandle =RF_OPEN(&rfObject,&RF_prop,(RF_RadioSetup*)&/*RF_cmdRadioSetup*/RF_cmdProp...
它不能像AMQ那样可以多个BET作为consumer去互斥的(for update悲观锁)并发处理message,这是因为多个BET去消费一个Queue中的数据的时候,由于要保证不能多个线程拿同一条message,所以就需要行级别悲观所(for update),这就导致了consume的性能下降,吞吐量不够。而kafka为了保证吞吐量,只允许同一个consumer group下的一个...
C: Memory usage for separate thread + message queue (or semaphore) This is the most preferred way to use and process UART received character Examples for UART DMA for TX (and optionally included RX) Application is using DMA in normal mode to transfer data ...
While implementation happens to be pretty straight-forward for TX (set pointer to data, define its length and go) operation, this may not be the case for receive. Implementing DMA receive, application should understand number of received bytes to process by DMA before its considereddone. However...
下面是一个简单的用队列Queue实现的广度优先搜索。 定义图节点 [java] view plaincopy在CODE上查看代码片派生到我的代码片 class GraphNode{ int val; GraphNode next; GraphNode[] neighbors; boolean visited; GraphNode(int x) { val = x; } GraphNode(int x, GraphNode[] n){ val = x; neighbors...
0 tx_restart_queue: 0 rx_length_errors: 0 rx_long_length_errors: 0 rx_short_length_errors: 0 tx_flow_control_xon: 0 rx_flow_control_xon: 0 tx_flow_control_xoff: 44360572 rx_flow_control_xoff: 0 rx_csum_offload_errors: 0 alloc_rx_page: 17065 alloc_rx_page_failed: 0 alloc_rx_...
queue_id = 0 reg_idx = 0 port_id = 0 nb_tx_free = 0 进入到 ixgbe_xmit_cleanup desc_to_clean_to = last_desc_cleaned + tx_rs_thresh = 991 + 32 = 1023 sw_ring 是 struct ixgbe_tx_entry * 类型, sizeof(struct ixgbe_tx_entry) = 16 ...
NDIS_WDI_TX_QUERY_RA_TID_STATE NdisWdiTxQueryRaTidState; void NdisWdiTxQueryRaTidState( NDIS_HANDLE NdisMiniportDataPathHandle, WDI_PORT_ID PortId, WDI_PEER_ID PeerId, WDI_EXTENDED_TID ExTid, NDIS_STATUS *pWifiStatus, PUINT16 pQueueLength ) {...} Parameters Nd...