moduled.c

linux内核模式tcp/ip程序设计一书的源代码

#include <linux/module.h>
#include <linux/kernel.h>

extern int eeSubFunctionCode(int);

int init_module(void)
{
	if(eeSubFunctionCode)
	{
		printk("Testing eeSubFunctionCode  100 = %d\n",eeSubFunctionCode(100));
		printk("Testing eeSubFunctionCode   0  = %d\n",eeSubFunctionCode(0));
		printk("Testing eeSubFunctionCode -100 = %d\n",eeSubFunctionCode(-100));
	}
	else
	{
		printk("eeSubFunctionCode not load!\n");
	}
	return 0;
}

void cleanup_module(void)
{
	printk("Testing eeSubFunctionCode over\n");
}
MODULE_LICENSE("GPL");