[Stick] Linux kernel Timer

# Include <Linux/module. h>

# Include <Linux/init. h>

# Include <Linux/sched. h>

# Include <Linux/Timer. h>

 

Struct timer_list my_timer;

 

Void func (unsigned long data)

{

Printk ("time out! \ N data: % lD, PID: % LD \ n ", data, current-> PID );

Mod_timer (& my_timer, jiffies + 3 * Hz );//Modify the timer time2Seconds

}

 

Static int _ init my_timer_init (void)

{

Init_timer (& my_timer );//Initialize Timer

My_timer.expires = jiffies + 5 * Hz ;//Set the timer time5Seconds

My_timer.function = func ;//Timer time to the function to be executed

My_timer.data = (unsigned long) 99; // funcFunction Parameters

Add_timer (& my_timer );//Register a timer

Printk ("this is my timer PID: % LD \ n", current-> PID );

 

Return 0;

}

 

Static void _ exit my_timer_exit (void)

{

Del_timer (& my_timer );//Logout Timer

Printk ("good bye \ n ");

}

 

Module_license ("GPL ");

Module_author ("Mike Chen ");

Module_init (my_timer_init );

Module_exit (my_timer_exit );