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Really add signalhandler.c

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Yamagi Burmeister 2011-10-10 07:53:34 +00:00
parent b04a04b96c
commit cc9f4590c3
1 changed files with 112 additions and 0 deletions
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src/unix/signalhandler.c Normal file
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/*
* Copyright (C) 2011 Yamagi Burmeister
*
* 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.
*
* =======================================================================
*
* This is a signal handler for printing some hints to debug problem in
* the case of a crash. On Linux a backtrace is printed.
*
* =======================================================================
*/
#include <signal.h>
#ifdef __linux__
#include <execinfo.h>
#endif
#include "../common/header/common.h"
#ifdef __linux__
void
printBacktrace(int sig)
{
void *array[15];
size_t size;
char **strings;
int i;
size = backtrace(array, 15);
strings = backtrace_symbols(array, size);
printf("Product: Yamagi Quake II\n");
printf("Version: %4.2f\n", VERSION);
printf("Plattform: %s\n", BUILDSTRING);
printf("Architecture: %s\n", CPUSTRING);
printf("Signal: %i\n", sig);
printf("\nBacktrace:\n");
for (i = 0; i < size; i++)
{
printf(" %s\n", strings[i]);
}
printf("\n");
}
#else
void
printBacktrace(int sig)
{
printf("Product: Yamagi Quake II\n");
printf("Version: %4.2f\n", VERSION);
printf("Plattform: %s\n", BUILDSTRING);
printf("Architecture: %s\n", CPUSTRING);
printf("Signal: %i\n", sig);
printf("\nBacktrace:\n");
printf(" Not available on this plattform.\n\n");
}
#endif
void
signalhandler(int sig)
{
printf("\nYamagi Quake II crashed! This should not happen...\n");
printf("\nMake sure that you're using the last version. It can\n");
printf("be found at http://www.yamagi.org/quake2. If you do send\n");
printf("a bug report to quake2@yamagi.org and include this output,\n");
printf("detailed condition, reproduction of the issue (if possible)\n");
printf("and additional data you think might be useful. Thanks.\n");
printf("\n=======================================================\n\n");
printBacktrace(sig);
/* reset signalhandler */
signal(SIGSEGV, SIG_DFL);
signal(SIGILL, SIG_DFL);
signal(SIGFPE, SIG_DFL);
signal(SIGABRT, SIG_DFL);
/* pass signal to the os */
raise(sig);
}
void
registerHandler(void)
{
signal(SIGSEGV, signalhandler);
signal(SIGILL, signalhandler);
signal(SIGFPE, signalhandler);
signal(SIGABRT, signalhandler);
}