| //===------------------------- cxa_handlers.cpp ---------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| // |
| // 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 |
