diff options
author | Roland McGrath <roland@hack.frob.com> | 2014-07-31 14:00:33 -0700 |
---|---|---|
committer | Roland McGrath <roland@hack.frob.com> | 2014-07-31 14:00:33 -0700 |
commit | f61a113fe0f703c19af20f54d65acfbb203b726a (patch) | |
tree | 7b8bdcbe06ce14af164f1dda44dfa14a1764d596 /sysdeps/generic | |
parent | 9fe7e787adc4f41201c441014fbad318eaae6f80 (diff) | |
download | glibc-f61a113fe0f703c19af20f54d65acfbb203b726a.zip glibc-f61a113fe0f703c19af20f54d65acfbb203b726a.tar.gz glibc-f61a113fe0f703c19af20f54d65acfbb203b726a.tar.bz2 |
Add __safe_fatal and use it in __pthread_unwind forwarder fallback.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r-- | sysdeps/generic/safe-fatal.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/generic/safe-fatal.h b/sysdeps/generic/safe-fatal.h new file mode 100644 index 0000000..6efced3 --- /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 + <http://www.gnu.org/licenses/>. */ + +#ifndef _SAFE_FATAL_H +#define _SAFE_FATAL_H 1 + +#include <abort-instr.h> + +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 */ |