/*****************************************
*功能:利用进程链表遍历当前系统中的所有进程
*同时可以打印出进程的相关信息
*
* ***************************************/
#include
#include
#include
#include
static int list_init(void)
{
struct task_struct *task, *p;
struct list_head *pos;
int count = 0;
task = &init_task;
printk(KERN_ALERT"PID\tCOMM\n");
list_for_each( pos, &task->tasks ) {
p = list_entry( pos, struct task_struct, tasks );
count++;
printk( KERN_ALERT "%d\t%s\n", p->pid, p->comm );
}
printk("系统当前共 %d 个进程!!", count);
return 0;
}
static void list_exit(void)
{
printk( KERN_ALERT "GOOD BYE!!\n");
}
MODULE_AUTHOR("Along");
MODULE_LICENSE("GPL");
module_init(list_init);
module_exit(list_exit);[/code]我的Makefile:[code]obj-m := list.o
KERNELDIR ?= /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)
all:
make -C $(KERNELDIR) M=$(PWD) modules
clean:
make -C (KERNELDIR) M=$(PWD) clean
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