#include<stdio.h>#include<stdlib.h>#include<string.h>#include<errno.h>#include<netinet/in.h>#include<sys/socket.h>#include<arpa/inet.h>#include<sys/epoll.h>#include<unistd.h>#include

非阻塞recvEAGAIN、EWOULDBLOCK错误码值11返回值含义>0接收字节数0接收FIN包，连接被对端断开-1(errno==EAGAIN||EWOULDBLOCK)表示还有数据未读。反之，则表示发生了错误。//epollServer.cpp#include<stdio.h>#include<stdlib.h>#include<string.h>#in