linux-imx

/*

 *  ucon.c

 *

 * Copyright (c) 2004+ Evgeniy Polyakov <zbr@ioremap.net>

 *

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 */

​

#include <asm/types.h>

​

#include <sys/types.h>

#include <sys/socket.h>

#include <sys/poll.h>

​

#include <linux/netlink.h>

#include <linux/rtnetlink.h>

​

#include <arpa/inet.h>

​

#include <stdbool.h>

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <string.h>

#include <errno.h>

#include <time.h>

#include <getopt.h>

​

#include <linux/connector.h>

​

#define DEBUG

#define NETLINK_CONNECTOR   11

​

/* Hopefully your userspace connector.h matches this kernel */

#define CN_TEST_IDX     CN_NETLINK_USERS + 3

#define CN_TEST_VAL     0x456

​

#ifdef DEBUG

#define ulog(f, a...) fprintf(stdout, f, ##a)

#else

#define ulog(f, a...) do {} while (0)

#endif

​

static int need_exit;

static __u32 seq;

​

static int netlink_send(int s, struct cn_msg *msg)

{

    struct nlmsghdr *nlh;

    unsigned int size;