X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=source%2Flib%2Ffault.c;fp=source%2Flib%2Ffault.c;h=3cb66846393c4c51ed61960a21742d6480b35dae;hb=6bca4ca307d55b6dc888e56cee47aebcddbce786;hp=0000000000000000000000000000000000000000;hpb=7fd70fa738b636089bcc6c961aa3eaa02f20dda2;p=samba diff --git a/source/lib/fault.c b/source/lib/fault.c new file mode 100644 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 +}