49d2b5f1cd
Unlike `verbose_abort`, this function merely logs the error but does not terminate execution. It is intended to make it possible to implement the `observe` semantic for Hardening.
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___LOG_HARDENING_FAILURE
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#define _LIBCPP___LOG_HARDENING_FAILURE
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#include <__config>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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// This function should never be called directly from the code -- it should only be called through the
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// `_LIBCPP_LOG_HARDENING_FAILURE` macro.
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_LIBCPP_AVAILABILITY_LOG_HARDENING_FAILURE _LIBCPP_EXPORTED_FROM_ABI void
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__log_hardening_failure(const char* __message) _NOEXCEPT;
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// _LIBCPP_LOG_HARDENING_FAILURE(message)
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//
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// This macro is used to log an error without terminating the program (as is the case for hardening failures if the
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// `observe` assertion semantic is used, for example).
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#if !defined(_LIBCPP_LOG_HARDENING_FAILURE)
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# if !_LIBCPP_AVAILABILITY_HAS_LOG_HARDENING_FAILURE
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// The decltype is there to suppress -Wunused warnings in this configuration.
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void __use(const char*);
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# define _LIBCPP_LOG_HARDENING_FAILURE(__message) (decltype(::std::__use(__message))())
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# else
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# define _LIBCPP_LOG_HARDENING_FAILURE(__message) ::std::__log_hardening_failure(__message)
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# endif
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#endif // !defined(_LIBCPP_LOG_HARDENING_FAILURE)
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___LOG_HARDENING_FAILURE
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