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 _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS 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