From f61a113fe0f703c19af20f54d65acfbb203b726a Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 31 Jul 2014 14:00:33 -0700 Subject: Add __safe_fatal and use it in __pthread_unwind forwarder fallback. --- sysdeps/generic/safe-fatal.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 sysdeps/generic/safe-fatal.h (limited to 'sysdeps/generic') diff --git a/sysdeps/generic/safe-fatal.h b/sysdeps/generic/safe-fatal.h new file mode 100644 index 0000000000..6efced3cbf --- /dev/null +++ b/sysdeps/generic/safe-fatal.h @@ -0,0 +1,37 @@ +/* Crash the process immediately, without possibility of deadlock. Generic. + Copyright (C) 2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _SAFE_FATAL_H +#define _SAFE_FATAL_H 1 + +#include + +static inline void +__safe_fatal (void) +{ +#ifdef ABORT_INSTRUCTION + /* This is not guaranteed to be free from the possibility of deadlock, + since it might generate a signal that can be caught. But it's better + than nothing. */ + ABORT_INSTRUCTION; +#else +# error Need an OS-specific or machine-specific safe-fatal.h +#endif +} + +#endif /* safe-fatal.h */ -- cgit v1.2.3