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sleep.c
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25 lines (20 loc) · 487 Bytes
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/* https://cirosantilli.com/linux-kernel-module-cheat#sleep */
#include <linux/delay.h> /* usleep_range */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h> /* atomic_t */
static u32 n = 5;
module_param(n, int, S_IRUSR | S_IWUSR);
static int myinit(void)
{
u32 i;
for (i = 0; i < n; ++i) {
pr_info("%d\n", i);
usleep_range(1000000, 1000001);
}
return 0;
}
static void myexit(void) {}
module_init(myinit)
module_exit(myexit)
MODULE_LICENSE("GPL");