kernel中向进程发送信号

#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/fs.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/netfilter.h>
#include <linux/ip.h>
#include <linux/version.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/timer.h>
#include <linux/jiffies.h>
#include <linux/interrupt.h>
#include <linux/sched.h>

#include <asm/uaccess.h>

#include <net/net_namespace.h>
#include <net/route.h>

#define err(msg) printk(KERN_ERR "%s failed.\n", msg)

static int main_init(void)
{
        struct task_struct *task;

        for_each_process(task)
        {
                if (!strcmp(task->comm, "a.out"))
                {
#if 0
                        kill_pid(task_pid(task), SIGINT, 0);
                        for (i = 0; i < _NSIG; i++)
                                task->sighand->action[i].sa.sa_handler = SIG_IGN;
#endif
                        send_sig(SIGINT, task, 0);
                        break;
                }
        }

        return 0;
}

static void main_exit(void)
{
}

module_init(main_init);
module_exit(main_exit);
MODULE_LICENSE("GPL");