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contrib/libcxxabi/src/cxa_handlers.hpp
- This file was added.
| //===------------------------- cxa_handlers.cpp ---------------------------===// | |||||
| // | |||||
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |||||
| // See https://llvm.org/LICENSE.txt for license information. | |||||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |||||
| // | |||||
| // | |||||
| // This file implements the functionality associated with the terminate_handler, | |||||
| // unexpected_handler, and new_handler. | |||||
| //===----------------------------------------------------------------------===// | |||||
| #ifndef _CXA_HANDLERS_H | |||||
| #define _CXA_HANDLERS_H | |||||
| #include <__cxxabi_config.h> | |||||
| #include <exception> | |||||
| namespace std | |||||
| { | |||||
| _LIBCXXABI_HIDDEN _LIBCXXABI_NORETURN | |||||
| void | |||||
| __unexpected(unexpected_handler func); | |||||
| _LIBCXXABI_HIDDEN _LIBCXXABI_NORETURN | |||||
| void | |||||
| __terminate(terminate_handler func) _NOEXCEPT; | |||||
| } // std | |||||
| extern "C" | |||||
| { | |||||
| _LIBCXXABI_DATA_VIS extern void (*__cxa_terminate_handler)(); | |||||
| _LIBCXXABI_DATA_VIS extern void (*__cxa_unexpected_handler)(); | |||||
| _LIBCXXABI_DATA_VIS extern void (*__cxa_new_handler)(); | |||||
| /* | |||||
| At some point in the future these three symbols will become | |||||
| C++11 atomic variables: | |||||
| extern std::atomic<std::terminate_handler> __cxa_terminate_handler; | |||||
| extern std::atomic<std::unexpected_handler> __cxa_unexpected_handler; | |||||
| extern std::atomic<std::new_handler> __cxa_new_handler; | |||||
| This change will not impact their ABI. But it will allow for a | |||||
| portable performance optimization. | |||||
| */ | |||||
| } // extern "C" | |||||
| #endif // _CXA_HANDLERS_H | |||||