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kthread.c

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/* https://github.com/cirosantilli/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");