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| 1 | // -*- C++ -*- |
|---|---|
| 2 | //===----------------------------------------------------------------------===// |
| 3 | // |
| 4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 5 | // See https://llvm.org/LICENSE.txt for license information. |
| 6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef _LIBCPP___SYSTEM_ERROR_SYSTEM_ERROR_H |
| 11 | #define _LIBCPP___SYSTEM_ERROR_SYSTEM_ERROR_H |
| 12 | |
| 13 | #include <__config> |
| 14 | #include <__system_error/error_category.h> |
| 15 | #include <__system_error/error_code.h> |
| 16 | #include <__verbose_abort> |
| 17 | #include <stdexcept> |
| 18 | #include <string> |
| 19 | |
| 20 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 21 | # pragma GCC system_header |
| 22 | #endif |
| 23 | |
| 24 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 25 | |
| 26 | class _LIBCPP_EXPORTED_FROM_ABI system_error : public runtime_error { |
| 27 | error_code __ec_; |
| 28 | |
| 29 | public: |
| 30 | system_error(error_code __ec, const string& __what_arg); |
| 31 | system_error(error_code __ec, const char* __what_arg); |
| 32 | system_error(error_code __ec); |
| 33 | system_error(int __ev, const error_category& __ecat, const string& __what_arg); |
| 34 | system_error(int __ev, const error_category& __ecat, const char* __what_arg); |
| 35 | system_error(int __ev, const error_category& __ecat); |
| 36 | _LIBCPP_HIDE_FROM_ABI system_error(const system_error&) _NOEXCEPT = default; |
| 37 | ~system_error() _NOEXCEPT override; |
| 38 | |
| 39 | _LIBCPP_HIDE_FROM_ABI const error_code& code() const _NOEXCEPT { return __ec_; } |
| 40 | }; |
| 41 | |
| 42 | // __ev is expected to be an error in the generic_category domain (e.g. from |
| 43 | // errno, or std::errc::*), not system_category (e.g. from windows syscalls). |
| 44 | [[__noreturn__]] _LIBCPP_EXPORTED_FROM_ABI void __throw_system_error(int __ev, const char* __what_arg); |
| 45 | |
| 46 | [[__noreturn__]] _LIBCPP_HIDE_FROM_ABI inline void __throw_system_error(error_code __ec, const char* __what_arg) { |
| 47 | #if _LIBCPP_HAS_EXCEPTIONS |
| 48 | throw system_error(__ec, __what_arg); |
| 49 | #else |
| 50 | _LIBCPP_VERBOSE_ABORT( |
| 51 | "system_error was thrown in -fno-exceptions mode with error %i and message \"%s\"", __ec.value(), __what_arg); |
| 52 | #endif |
| 53 | } |
| 54 | |
| 55 | _LIBCPP_END_NAMESPACE_STD |
| 56 | |
| 57 | #endif // _LIBCPP___SYSTEM_ERROR_SYSTEM_ERROR_H |
| 58 |
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