contiki-gtk/uip/tapdev-drv.c

/*
 * Copyright (c) 2001, Adam Dunkels.
 * All rights reserved. 
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Adam Dunkels.
 * 4. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior
 *    written permission.  
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
 *
 * This file is part of the uIP TCP/IP stack.
 *
 * $Id: tapdev-drv.c,v 1.2 2003/08/20 22:38:13 adamdunkels Exp $
 *
 */


/* uip_main.c: initialization code and main event loop. */

#define NULL (void *)0



#include "uip.h"
#include "uip_arp.h"
#include "uip-signal.h"
#include "loader.h"
#include "tapdev.h"

#include "dispatcher.h"
#include "ek.h"


static void tapdev_drv_idle(void);
static DISPATCHER_SIGHANDLER(tapdev_drv_sighandler, s, data);
static struct dispatcher_proc p =
  {DISPATCHER_PROC("TCP/IP/TAPDEV driver", NULL,
		   tapdev_drv_sighandler, NULL)};
static ek_id_t id;


/*-----------------------------------------------------------------------------------*/
LOADER_INIT_FUNC(tapdev_drv_init)
{
  if(id == EK_ID_NONE) {
    id = dispatcher_start(&p);    
    tapdev_init();
    dispatcher_listen(dispatcher_signal_quit);
  }
}
/*-----------------------------------------------------------------------------------*/
static
DISPATCHER_SIGHANDLER(tapdev_drv_sighandler, s, data)
{
  DISPATCHER_SIGHANDLER_ARGS(s, data);

  if(s == dispatcher_signal_quit) {
    dispatcher_exit(&p);
    id = EK_ID_NONE;
    LOADER_UNLOAD();   
  }
}
/*-----------------------------------------------------------------------------------*/