Subversion Repositories shark

/*
 * Project: S.Ha.R.K.
 *
 * Coordinators:
 *   Giorgio Buttazzo    <giorgio@sssup.it>
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *
 * Authors     :
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *   (see the web pages for full authors list)
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://shark.sssup.it
 */

/**
 ------------
 CVS :        $Id: exchtxt.c,v 1.2 2002-11-11 08:34:08 pj Exp $

 File:        $File$
 Revision:    $Revision: 1.2 $
 Last update: $Date: 2002-11-11 08:34:08 $
 ------------
**/

/*
 * Copyright (C) 2000 Paolo Gai
 *
 * 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 <kernel/kern.h>

static void thehandler(int signo, siginfo_t *info, void *extra);

/*
   This exception handler should be good for text applications that do NOT
   use graphics
*/
int set_exchandler_text(void)
{
  struct sigaction action;

  /* Init the standard S.Ha.R.K. exception handler */
  action.sa_flags = SA_SIGINFO;            /* Set the signal action */
  action.sa_sigaction = thehandler;
  action.sa_handler = 0;
  sigfillset(&action.sa_mask); /* we block all the other signals... */

  return sigaction(SIGHEXC, &action, NULL); /* set the signal */
}


void thehandler(int signo, siginfo_t *info, void *extra)
{
  struct timespec t;

  /* Default action for an kern exception is  */
  kern_cli();
  ll_gettime(TIME_EXACT, &t),
  kern_printf("\nHartik Exception raised!!!"
            "\nTime (s:ns)     :%ld:%ld"
            "\nException number:%d"
            "\nPID             :%d\n",
            t.tv_sec, t.tv_nsec, info->si_value.sival_int,
            info->si_task);
  sys_abort(AHEXC);
}