1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___EXCEPTION_OPERATIONS_H 10 #define _LIBCPP___EXCEPTION_OPERATIONS_H 11 12 #include <__availability> 13 #include <__config> 14 #include <cstddef> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 # pragma GCC system_header 18 #endif 19 20 namespace std { // purposefully not using versioning namespace 21 #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS) || \ 22 defined(_LIBCPP_BUILDING_LIBRARY) 23 using unexpected_handler = void (*)(); 24 _LIBCPP_EXPORTED_FROM_ABI unexpected_handler set_unexpected(unexpected_handler) _NOEXCEPT; 25 _LIBCPP_EXPORTED_FROM_ABI unexpected_handler get_unexpected() _NOEXCEPT; 26 _LIBCPP_NORETURN _LIBCPP_EXPORTED_FROM_ABI void unexpected(); 27 #endif 28 29 using terminate_handler = void (*)(); 30 _LIBCPP_EXPORTED_FROM_ABI terminate_handler set_terminate(terminate_handler) _NOEXCEPT; 31 _LIBCPP_EXPORTED_FROM_ABI terminate_handler get_terminate() _NOEXCEPT; 32 33 _LIBCPP_EXPORTED_FROM_ABI bool uncaught_exception() _NOEXCEPT; 34 _LIBCPP_EXPORTED_FROM_ABI int uncaught_exceptions() _NOEXCEPT; 35 36 class _LIBCPP_EXPORTED_FROM_ABI exception_ptr; 37 38 _LIBCPP_EXPORTED_FROM_ABI exception_ptr current_exception() _NOEXCEPT; 39 _LIBCPP_NORETURN _LIBCPP_EXPORTED_FROM_ABI void rethrow_exception(exception_ptr); 40 } // namespace std 41 42 #endif // _LIBCPP___EXCEPTION_OPERATIONS_H 43