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
26class _LIBCPP_EXPORTED_FROM_ABI system_error : public runtime_error {
27  error_code __ec_;
28
29public:
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_LIBCPP_NORETURN _LIBCPP_EXPORTED_FROM_ABI void __throw_system_error(int __ev, const char* __what_arg);
43_LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI inline void __throw_system_error(error_code __ec, const char* __what_arg) {
44#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
45  throw system_error(__ec, __what_arg);
46#else
47  _LIBCPP_VERBOSE_ABORT(
48      "system_error was thrown in -fno-exceptions mode with error %i and message \"%s\"", __ec.value(), __what_arg);
49#endif
50}
51
52_LIBCPP_END_NAMESPACE_STD
53
54#endif // _LIBCPP___SYSTEM_ERROR_SYSTEM_ERROR_H
55