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
code()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);
__throw_system_error(error_code __ec,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