1.阻塞I/O模型(Blocking I/O):
2.非阻塞模式(Non blocking I/O)
3.复用模型(I/O multiplexing (select and poll)):Linux:select/poll ,epoll:基于事件驱动方式,性能更高
4.信号驱动模型(Signal driving I/O(SIGIO))
5.异步I/O(Asynchronous I/O)
1.阻塞I/O模型(Blocking I/O):
2.非阻塞模式(Non blocking I/O)
3.复用模型(I/O multiplexing (select and poll)):Linux:select/poll ,epoll:基于事件驱动方式,性能更高
4.信号驱动模型(Signal driving I/O(SIGIO))
5.异步I/O(Asynchronous I/O)
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