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| 38 | 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: exchand.c,v 1.1 2003-01-07 17:09:23 pj Exp $ |
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| 22 | |||
| 23 | File: $File$ |
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| 24 | Revision: $Revision: 1.1 $ |
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| 25 | Last update: $Date: 2003-01-07 17:09:23 $ |
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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 int myflag; |
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| 51 | static siginfo_t myinfo; |
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| 52 | static struct timespec mytime; |
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| 53 | |||
| 54 | static void thehandler(int signo, siginfo_t *info, void *extra); |
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| 55 | static void theend(void *arg); |
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| 56 | |||
| 57 | /* |
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| 58 | This exception handler should be good for text applications that do NOT |
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| 59 | use graphics |
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| 60 | */ |
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| 61 | int set_default_exception_handler(void) |
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| 62 | { |
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| 63 | struct sigaction action; |
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| 64 | |||
| 65 | myflag = 0; |
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| 66 | |||
| 67 | sys_atrunlevel(theend, NULL, RUNLEVEL_AFTER_EXIT); |
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| 68 | |||
| 69 | /* Init the standard S.Ha.R.K. exception handler */ |
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| 70 | action.sa_flags = SA_SIGINFO; /* Set the signal action */ |
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| 71 | action.sa_sigaction = thehandler; |
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| 72 | action.sa_handler = 0; |
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| 73 | sigfillset(&action.sa_mask); /* we block all the other signals... */ |
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| 74 | |||
| 75 | return sigaction(SIGHEXC, &action, NULL); /* set the signal */ |
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| 76 | } |
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| 77 | |||
| 78 | static void thehandler(int signo, siginfo_t *info, void *extra) |
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| 79 | { |
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| 80 | if (!myflag) { |
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| 81 | myflag = 1; |
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| 82 | myinfo = *info; |
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| 83 | sys_gettime(&mytime), |
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| 84 | |||
| 85 | sys_abort(AHEXC); |
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| 86 | } |
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| 87 | } |
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| 88 | |||
| 89 | static void theend(void *arg) |
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| 90 | { |
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| 91 | if (myflag) { |
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| 92 | kern_printf("\nS.Ha.R.K. Exception raised!!!" |
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| 93 | "\nTime (s:ns) :%ld:%ld" |
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| 94 | "\nException number:%d" |
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| 95 | "\nPID :%d\n", |
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| 96 | mytime.tv_sec, |
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| 97 | mytime.tv_nsec, |
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| 98 | myinfo.si_value.sival_int, |
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| 99 | myinfo.si_task); |
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| 100 | } |
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| 101 | } |
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| 102 | |||
| 103 | |||
| 104 |