-
-
Notifications
You must be signed in to change notification settings - Fork 617
Expand file tree
/
Copy pathkthread.c
More file actions
38 lines (32 loc) · 689 Bytes
/
kthread.c
File metadata and controls
38 lines (32 loc) · 689 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/* https://cirosantilli.com/linux-kernel-module-cheat#kthread */
#include <linux/delay.h> /* usleep_range */
#include <linux/kernel.h>
#include <linux/kthread.h>
#include <linux/module.h>
static struct task_struct *kthread;
static int work_func(void *data)
{
u32 i = 0;
while (!kthread_should_stop()) {
pr_info("%u\n", i);
usleep_range(1000000, 1000001);
i++;
if (i == 10)
i = 0;
}
return 0;
}
static int myinit(void)
{
kthread = kthread_create(work_func, NULL, "mykthread");
wake_up_process(kthread);
return 0;
}
static void myexit(void)
{
/* Waits for thread to return. */
kthread_stop(kthread);
}
module_init(myinit)
module_exit(myexit)
MODULE_LICENSE("GPL");