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samba-mirror/source/lib/fault.c
Andrew Tridgell 83122bae22 make sure that a fault cannot occur twice. The new Debug1() code is
causing seg faults on my machine and because the fault code calls
DEBUG() it is looping!

now to find the bug in the Debug1() code ...
0001-01-01 00:00:00 +00:00

87 lines
2.3 KiB
C

/*
Unix SMB/Netbios implementation.
Version 1.9.
Critical Fault handling
Copyright (C) Andrew Tridgell 1992-1998
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
extern int DEBUGLEVEL;
static void (*cont_fn)(void *);
/*******************************************************************
report a fault
********************************************************************/
static void fault_report(int sig)
{
static int counter;
if (counter) _exit(1);
counter++;
DEBUG(0,("===============================================================\n"));
DEBUG(0,("INTERNAL ERROR: Signal %d in pid %d (%s)",sig,(int)getpid(),VERSION));
DEBUG(0,("\nPlease read the file BUGS.txt in the distribution\n"));
DEBUG(0,("===============================================================\n"));
#if AJT
ajt_panic();
#endif
if (cont_fn) {
cont_fn(NULL);
#ifdef SIGSEGV
CatchSignal(SIGSEGV,SIGNAL_CAST SIG_DFL);
#endif
#ifdef SIGBUS
CatchSignal(SIGBUS,SIGNAL_CAST SIG_DFL);
#endif
return; /* this should cause a core dump */
}
exit(1);
}
/****************************************************************************
catch serious errors
****************************************************************************/
static void sig_fault(int sig)
{
fault_report(sig);
}
/*******************************************************************
setup our fault handlers
********************************************************************/
void fault_setup(void (*fn)(void *))
{
cont_fn = fn;
#ifdef SIGSEGV
CatchSignal(SIGSEGV,SIGNAL_CAST sig_fault);
#endif
#ifdef SIGBUS
CatchSignal(SIGBUS,SIGNAL_CAST sig_fault);
#endif
}