Linux内核中工作队列的使用work_struct,delayed_work

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初始化工作队列

调度工作队列

取消工作队列

#include <linux/module.h>#include <linux/sched.h>#include <linux/kthread.h>#include <linux/err.h>#include <linux/delay.h>static struct work_struct test_work;static struct delayed_work test_delayed_work;static void test_func(struct work_struct *work){printk("%s, %d, %ld\n", __func__, __LINE__, jiffies);}static void test_delayed_func(struct work_struct *work){printk("%s, %d, %ld\n", __func__, __LINE__, jiffies);}static int __init test_init(void){int ret;printk("%s, %d, %ld\n", __func__, __LINE__, jiffies);INIT_WORK(&test_work, test_func);ret = schedule_work(&test_work);INIT_DELAYED_WORK(&test_delayed_work, test_delayed_func);ret = schedule_delayed_work(&test_delayed_work, 5 * HZ);printk("%s, %d, %ld\n", __func__, __LINE__, jiffies);return 0;}static void __exit test_exit(void){printk("%s, %d, %ld\n", __func__, __LINE__, jiffies);cancel_work_sync(&test_work);printk("%s, %d, %ld\n", __func__, __LINE__, jiffies);cancel_delayed_work_sync(&test_delayed_work);printk("%s, %d, %ld\n", __func__, __LINE__, jiffies);}module_init(test_init);module_exit(test_exit);MODULE_AUTHOR("tony");MODULE_DESCRIPTION("test");MODULE_LICENSE("GPL");MODULE_ALIAS("test");

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