目录阻塞IO(blocking I/O)非阻塞IO(Non-Blocking I/O)多路复用IO(I/O Multiplexing)信号驱动式IO(SigRfvxRZNpupnal-Driven I/O)异步IO(Asynchronous I/O)开发者_CICD阻塞IO(Blocking I/O)