linux 工作队列 等待队列

#include <linux/workqueue.h>

struct my_work_struct {
    struct work_struct work;
    int data;
};

void my_work_handler(struct work_struct *work) {
    struct my_work_struct *my_work = container_of(work, struct my_work_struct, work);
    printk(KERN_INFO "Work handler executed with data: %d\n", my_work->data);
}

int init_module(void) {
    struct my_work_struct *my_work = kmalloc(sizeof(struct my_work_struct), GFP_KERNEL);
    if (!my_work)
        return -ENOMEM;

    INIT_WORK(&my_work->work, my_work_handler);
    my_work->data = 42;

    schedule_work(&my_work->work);

    return 0;
}

void cleanup_module(void) {
    // 清理资源
}

#include <linux/wait.h>
#include <linux/sched.h>

DECLARE_WAIT_QUEUE_HEAD(my_wait_queue);

void wait_for_event(void) {
    wait_event_interruptible(my_wait_queue, condition_met());
    // 条件满足后的处理逻辑
}

void set_event(void) {
    wake_up_interruptible(&my_wait_queue);
}