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/*
* 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: exchgrx.c,v 1.1.1.1 2002-03-29 14:12:52 pj Exp $
File: $File$
Revision: $Revision: 1.1.1.1 $
Last update: $Date: 2002-03-29 14:12:52 $
------------
**/
/*
* 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 int myflag;
static siginfo_t myinfo;
static struct timespec mytime;
static void thehandler(int signo, siginfo_t *info, void *extra);
static void theend(void *arg);
/*
This exception handler should be good for text applications that do NOT
use graphics
*/
int set_exchandler_grx(void)
{
struct sigaction action;
myflag = 0;
sys_atrunlevel(theend, NULL, RUNLEVEL_AFTER_EXIT);
/* 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)
{
if (!myflag) {
myflag = 1;
myinfo = *info;
sys_gettime(&mytime),
sys_abort(AHEXC);
}
}
void theend(void *arg)
{
if (myflag) {
kern_printf("\nS.Ha.R.K. Exception raised!!!"
"\nTime (s:ns) :%d:%d"
"\nException number:%d"
"\nPID :%d\n",
mytime.tv_sec,
mytime.tv_nsec,
myinfo.si_value.sival_int,
myinfo.si_task);
}
}