Kernel timers#

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22

#include <linux/timer.h>

static struct timer_list *timer;
static int loop = 5;

static void timer_fn(struct timer_list *t)
{
    pr_info("timer function invoked\n");
    if (loop--) {
        timer.expires = jiffies + HZ;
        add_timer(timer);
    }
}

static void init_dev(void)
{
    [...]
    timer_setup(timer, timer_fn, 0);
    timer.expires = jiffies + HZ;
   	add_timer(&timer);
    [...]
}