Initial import

[samba] / source / lib / fault.c

diff --git a/source/lib/fault.c b/source/lib/fault.c
new file mode 100644 (file)
index 0000000..3cb6684
--- /dev/null
+++ b/source/lib/fault.c
@@ -0,0 +1,84 @@
+/* 
+   Unix SMB/CIFS implementation.
+   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"
+
+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)sys_getpid(),SAMBA_VERSION_STRING));
+       DEBUG(0,("\nPlease read the Trouble-Shooting section of the Samba3-HOWTO\n"));
+       DEBUG(0,("\nFrom: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf\n"));
+       DEBUG(0,("===============================================================\n"));
+  
+       smb_panic("internal error");
+
+       if (cont_fn) {
+               cont_fn(NULL);
+#ifdef SIGSEGV
+               CatchSignal(SIGSEGV,SIGNAL_CAST SIG_DFL);
+#endif
+#ifdef SIGBUS
+               CatchSignal(SIGBUS,SIGNAL_CAST SIG_DFL);
+#endif
+#ifdef SIGABRT
+               CatchSignal(SIGABRT,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
+#ifdef SIGABRT
+       CatchSignal(SIGABRT,SIGNAL_CAST sig_fault);
+#endif
+}