LINUX2.6内核字符型设备驱动程序,采用了非阻塞机制、互斥机制，使用了poll接口。使用方法不用多说了，跟其他字符驱动没区别，可以自行百度。ps: Makefile也包含在里面了。-LINUX2.6 kernel character device driver, using a non-blocking mechanism, mutual exclusion mechanism, using a poll interface. Use Needless to say, no difference with other character-driven, free to Baidu.