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https://github.com/cirosantilli/linux-kernel-module-cheat.git
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42 lines
899 B
C
42 lines
899 B
C
/* https://github.com/cirosantilli/linux-kernel-module-cheat#kernel-module-parameters */
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#include <linux/delay.h> /* usleep_range */
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#include <linux/kernel.h>
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#include <linux/kthread.h>
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#include <linux/module.h>
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#include <uapi/linux/stat.h> /* S_IRUSR | S_IWUSR */
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static int i = 0;
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static int j = 0;
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module_param(i, int, S_IRUSR | S_IWUSR);
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module_param(j, int, S_IRUSR | S_IWUSR);
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MODULE_PARM_DESC(i, "my favorite int");
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MODULE_PARM_DESC(j, "my second favorite int");
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static struct task_struct *kthread;
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static int work_func(void *data)
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{
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while (!kthread_should_stop()) {
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pr_info("%d %d\n", i, j);
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usleep_range(1000000, 1000001);
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}
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return 0;
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}
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static int myinit(void)
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{
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kthread = kthread_create(work_func, NULL, "mykthread");
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wake_up_process(kthread);
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return 0;
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}
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static void myexit(void)
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{
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kthread_stop(kthread);
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}
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module_init(myinit)
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module_exit(myexit)
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MODULE_LICENSE("GPL");
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