start.c

来自「学习内核编程入门的好资料」· C语言 代码 · 共 36 行

/* start.c 
 * Copyright (C) 1999 by Ori Pomerantz
 * 
 * "Hello, world" - the kernel module version. 
 * This file includes just the start routine
 */

/* The necessary header files */

/* Standard in kernel modules */
#include <linux/kernel.h>   /* We're doing kernel work */
#include <linux/module.h>   /* Specifically, a module */



/* Deal with CONFIG_MODVERSIONS */
#if CONFIG_MODVERSIONS==1
#define MODVERSIONS
#include <linux/modversions.h>
#endif        



/* Initialize the module */
int init_module()
{
  printk("Hello, world - this is the kernel speaking\n");

  /* If we return a non zero value, it means that 
   * init_module failed and the kernel module 
   * can't be loaded */
  return 0;
}