1// -*- C++ -*-
 2//===----------------------------------------------------------------------===//
 3//
 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 5// See https://llvm.org/LICENSE.txt for license information.
 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 7//
 8//===----------------------------------------------------------------------===//
 9
10#ifndef _LIBCPP___LOG_HARDENING_FAILURE
11#define _LIBCPP___LOG_HARDENING_FAILURE
12
13#include <__config>
14
15#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16#  pragma GCC system_header
17#endif
18
19// Hardening logging is not available in the C++03 mode; moreover, it is currently only available in the experimental
20// library.
21#if _LIBCPP_HAS_EXPERIMENTAL_HARDENING_OBSERVE_SEMANTIC && !defined(_LIBCPP_CXX03_LANG)
22
23_LIBCPP_BEGIN_NAMESPACE_STD
24
25// This function should never be called directly from the code -- it should only be called through the
26// `_LIBCPP_LOG_HARDENING_FAILURE` macro.
27[[__gnu__::__cold__]] _LIBCPP_EXPORTED_FROM_ABI void __log_hardening_failure(const char* __message) noexcept;
28
29// _LIBCPP_LOG_HARDENING_FAILURE(message)
30//
31// This macro is used to log an error without terminating the program (as is the case for hardening failures if the
32// `observe` assertion semantic is used).
33
34#  if !defined(_LIBCPP_LOG_HARDENING_FAILURE)
35#    define _LIBCPP_LOG_HARDENING_FAILURE(__message) ::std::__log_hardening_failure(__message)
36#  endif // !defined(_LIBCPP_LOG_HARDENING_FAILURE)
37
38_LIBCPP_END_NAMESPACE_STD
39
40#endif // _LIBCPP_HAS_EXPERIMENTAL_HARDENING_OBSERVE_SEMANTIC && !defined(_LIBCPP_CXX03_LANG)
41
42#endif // _LIBCPP___LOG_HARDENING_FAILURE