/* * inter.c -- A slave variant that uses inter_module functions * * Copyright (C) 2001 Alessandro Rubini and Jonathan Corbet * Copyright (C) 2001 O'Reilly & Associates * * The source code in this file can be freely used, adapted, * and redistributed in source or binary form, so long as an * acknowledgment appears in derived source files.  The citation * should list that the code comes from the book "Linux Device * Drivers" by Alessandro Rubini and Jonathan Corbet, published * by O'Reilly & Associates.   No warranty is attached; * we cannot take responsibility for errors or fitness for use. * * $Id: inter.c,v 1.8 2001/07/18 22:28:16 rubini Exp $ */#ifndef __KERNEL__#  define __KERNEL__#endif#ifndef MODULE#  define MODULE#endif#include <linux/config.h>#include <linux/module.h>/* This depends on kmod.h, refuse to go on with 2.0 */#if LINUX_VERSION_CODE < 0x020200#  error "This module needs kmod, so it won't run with 2.0"#else#include <linux/init.h>#include "sysdep.h"#ifdef HAVE_INTER_MODULEstatic char *string = "inter says 'Hello World'";void ime_function(const char *who){    printk(KERN_INFO "inter: ime_function called by %s\n", who);}int ime_init(void){    inter_module_register("ime_string", THIS_MODULE, string);    inter_module_register("ime_function", THIS_MODULE, ime_function);    return 0;}void ime_cleanup(void){    inter_module_unregister("ime_string");}module_init(ime_init);module_exit(ime_cleanup);#endif /* HAVE_INTER_MODULE */#endif /* no 2.0 allowed */