libcxx/include/__exception/operations.h

   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