Files
linux-kernel-module-cheat/kernel_modules/kthread.c
2019-07-07 00:00:01 +00:00

39 lines
689 B
C

/* 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");