lkmpg/examples/example_tasklet.c
Jim Huang 10c7a9433a Apply editorial changes
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2021-08-08 01:24:59 +08:00

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C

/*
* example_tasklet.c
*/
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
static void tasklet_fn(unsigned long data)
{
pr_info("Example tasklet starts\n");
mdelay(5000);
pr_info("Example tasklet ends\n");
}
DECLARE_TASKLET(mytask, tasklet_fn, 0L);
static int example_tasklet_init(void)
{
pr_info("tasklet example init\n");
tasklet_schedule(&mytask);
mdelay(200);
pr_info("Example tasklet init continues...\n");
return 0;
}
static void example_tasklet_exit(void)
{
pr_info("tasklet example exit\n");
tasklet_kill(&mytask);
}
module_init(example_tasklet_init);
module_exit(example_tasklet_exit);
MODULE_DESCRIPTION("Tasklet example");
MODULE_LICENSE("GPL");