OK335xS-II看门狗

weiqi.liu

我在QT程序加入看门狗

1,打开看门狗
    open(WATCHDOG_PATH,O_WRONLY);
2,在定时器中喂狗
  int dummy;
     ioctl(wdt_fd, WDIOC_KEEPALIVE, &dummy);          write(wdt_fd,"\0",1);3,用CTRL + C 中止QT程序,但看门狗不起作用?????????????????????????