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Listing 5: Registering a driver for use by real-time and non real-time tasks
 

// Linux driver operations
static struct file_operations ln_pd_fops =
{
read: ln_pd_read,
write: ln_pd_write,
... other ýmagicý functions
};

// RTLinux driver operations
static struct rtl_file_operations rtl_pd_fops = {
     	NULL,
	rtl_pd_read,
	rtl_pd_write,
	... other ýmagicý functions
};

// register Linux driver...
if (register_chrdev(PD_LN_MAJOR, ýpdaqý, &ln_pd_fops)) 
{ handle errors... }
// ...and RTLinux driver
if (rtl_register_chrdev(PD_RT_MAJOR, ýpdaqý, &rtl_pd_fops)) 
{ handle errors... }

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