单线程并发服务器(select) 编程. errexit()和passiveTCP()两个方法见"linux socket通信示例(传送文件)"文章-common implementation of thread pool logic for httpd and config.

使用Java语言编写的软件，能实现从FTP服务器下载文件并转发给其他客户端，实现多流并发-Software using the Java language, you can download files from an FTP server and forward it to other clients, to achieve multi-stream concurrent

手机远程登陆服务器并发消息到电脑端 手机远程登陆服务器并发消息到电脑端-Mobile Remote Access server and a message to the computer end mobile remote login server and a message to the computer end mobile remote login server and a message to a computer terminal