lwiprecvfrom函数非阻塞_非阻塞模式下send和recv函数的返回值

2024年2月8日发(作者：)

19 std::cout <"create listen socket error."

51 while (true)52 {53 char recvBuf[32] = {0};54 //5. 从客户端接受数据,客户端没有数据来的时候会在recv函数处阻塞55 int ret = recv(clientfd, recvBuf, 32, 0);56 if (ret > 0)

57 {58 std::cout <"recv data from client, data: "

59 }

60 else if (ret == 0)61 {62 std::cout <"recv 0 byte data."

65 else66 {67 //出错68 std::cout <"recv data error."

72 }737475 //关闭客户端socket76 close(clientfd);77 //7.关闭侦听socket78 close(listenfd);7980 return 0;81 }