code:nodev - ikarishinjieva/unixV6-code-analyze-chs GitHub Wiki

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  • 错误设备函数，抛出错误
  • 用于设备表(如 bdevsw)中 声明 错误设备函数

6561

6562 /*

6563  * Routine which sets a user error; placed in

6564  * illegal entries in the bdevsw and cdevsw tables.

6565  */

6566 nodev()

6567 {

6568

6569     u.u_error = ENODEV;

6570 }

6571 /* ------------------------- */

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