xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
detail	4d99525703 first commit	6 月之前
bind_fd.hpp	4d99525703 first commit	6 月之前
default_launcher.hpp	4d99525703 first commit	6 月之前
fork_and_forget_launcher.hpp	4d99525703 first commit	6 月之前
pdfork_launcher.hpp	4d99525703 first commit	6 月之前
vfork_launcher.hpp	4d99525703 first commit	6 月之前