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2 | pj | 1 | /* |
2 | * Project: S.Ha.R.K. |
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3 | * |
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4 | * Coordinators: |
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5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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6 | * Paolo Gai <pj@gandalf.sssup.it> |
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7 | * |
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8 | * Authors : |
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9 | * Paolo Gai <pj@gandalf.sssup.it> |
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10 | * (see the web pages for full authors list) |
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11 | * |
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12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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13 | * |
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14 | * http://www.sssup.it |
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15 | * http://retis.sssup.it |
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16 | * http://shark.sssup.it |
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17 | */ |
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18 | |||
19 | /** |
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20 | ------------ |
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21 | CVS : $Id: exchtxt.c,v 1.1.1.1 2002-03-29 14:12:52 pj Exp $ |
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22 | |||
23 | File: $File$ |
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24 | Revision: $Revision: 1.1.1.1 $ |
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25 | Last update: $Date: 2002-03-29 14:12:52 $ |
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26 | ------------ |
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27 | **/ |
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28 | |||
29 | /* |
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30 | * Copyright (C) 2000 Paolo Gai |
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31 | * |
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32 | * This program is free software; you can redistribute it and/or modify |
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33 | * it under the terms of the GNU General Public License as published by |
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34 | * the Free Software Foundation; either version 2 of the License, or |
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35 | * (at your option) any later version. |
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36 | * |
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37 | * This program is distributed in the hope that it will be useful, |
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38 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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39 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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40 | * GNU General Public License for more details. |
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41 | * |
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42 | * You should have received a copy of the GNU General Public License |
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43 | * along with this program; if not, write to the Free Software |
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44 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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45 | * |
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46 | */ |
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47 | |||
48 | #include <kernel/kern.h> |
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49 | |||
50 | static void thehandler(int signo, siginfo_t *info, void *extra); |
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51 | |||
52 | /* |
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53 | This exception handler should be good for text applications that do NOT |
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54 | use graphics |
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55 | */ |
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56 | int set_exchandler_text(void) |
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57 | { |
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58 | struct sigaction action; |
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59 | |||
60 | /* Init the standard S.Ha.R.K. exception handler */ |
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61 | action.sa_flags = SA_SIGINFO; /* Set the signal action */ |
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62 | action.sa_sigaction = thehandler; |
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63 | action.sa_handler = 0; |
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64 | sigfillset(&action.sa_mask); /* we block all the other signals... */ |
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65 | |||
66 | return sigaction(SIGHEXC, &action, NULL); /* set the signal */ |
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67 | } |
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68 | |||
69 | |||
70 | void thehandler(int signo, siginfo_t *info, void *extra) |
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71 | { |
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72 | struct timespec t; |
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73 | |||
74 | /* Default action for an kern exception is */ |
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75 | kern_cli(); |
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76 | ll_gettime(TIME_EXACT, &t), |
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77 | kern_printf("\nHartik Exception raised!!!" |
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78 | "\nTime (s:ns) :%d:%d" |
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79 | "\nException number:%d" |
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80 | "\nPID :%d\n", |
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81 | t.tv_sec, t.tv_nsec, info->si_value.sival_int, |
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82 | info->si_task); |
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83 | sys_abort(AHEXC); |
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84 | } |
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85 | |||
86 | |||
87 | |||
88 |