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___ERRC
11#define _LIBCPP___ERRC
12
13/*
14 system_error synopsis
15
16namespace std
17{
18
19enum class errc
20{
21 address_family_not_supported, // EAFNOSUPPORT
22 address_in_use, // EADDRINUSE
23 address_not_available, // EADDRNOTAVAIL
24 already_connected, // EISCONN
25 argument_list_too_long, // E2BIG
26 argument_out_of_domain, // EDOM
27 bad_address, // EFAULT
28 bad_file_descriptor, // EBADF
29 bad_message, // EBADMSG
30 broken_pipe, // EPIPE
31 connection_aborted, // ECONNABORTED
32 connection_already_in_progress, // EALREADY
33 connection_refused, // ECONNREFUSED
34 connection_reset, // ECONNRESET
35 cross_device_link, // EXDEV
36 destination_address_required, // EDESTADDRREQ
37 device_or_resource_busy, // EBUSY
38 directory_not_empty, // ENOTEMPTY
39 executable_format_error, // ENOEXEC
40 file_exists, // EEXIST
41 file_too_large, // EFBIG
42 filename_too_long, // ENAMETOOLONG
43 function_not_supported, // ENOSYS
44 host_unreachable, // EHOSTUNREACH
45 identifier_removed, // EIDRM
46 illegal_byte_sequence, // EILSEQ
47 inappropriate_io_control_operation, // ENOTTY
48 interrupted, // EINTR
49 invalid_argument, // EINVAL
50 invalid_seek, // ESPIPE
51 io_error, // EIO
52 is_a_directory, // EISDIR
53 message_size, // EMSGSIZE
54 network_down, // ENETDOWN
55 network_reset, // ENETRESET
56 network_unreachable, // ENETUNREACH
57 no_buffer_space, // ENOBUFS
58 no_child_process, // ECHILD
59 no_link, // ENOLINK
60 no_lock_available, // ENOLCK
61 no_message_available, // ENODATA // deprecated
62 no_message, // ENOMSG
63 no_protocol_option, // ENOPROTOOPT
64 no_space_on_device, // ENOSPC
65 no_stream_resources, // ENOSR // deprecated
66 no_such_device_or_address, // ENXIO
67 no_such_device, // ENODEV
68 no_such_file_or_directory, // ENOENT
69 no_such_process, // ESRCH
70 not_a_directory, // ENOTDIR
71 not_a_socket, // ENOTSOCK
72 not_a_stream, // ENOSTR // deprecated
73 not_connected, // ENOTCONN
74 not_enough_memory, // ENOMEM
75 not_supported, // ENOTSUP
76 operation_canceled, // ECANCELED
77 operation_in_progress, // EINPROGRESS
78 operation_not_permitted, // EPERM
79 operation_not_supported, // EOPNOTSUPP
80 operation_would_block, // EWOULDBLOCK
81 owner_dead, // EOWNERDEAD
82 permission_denied, // EACCES
83 protocol_error, // EPROTO
84 protocol_not_supported, // EPROTONOSUPPORT
85 read_only_file_system, // EROFS
86 resource_deadlock_would_occur, // EDEADLK
87 resource_unavailable_try_again, // EAGAIN
88 result_out_of_range, // ERANGE
89 state_not_recoverable, // ENOTRECOVERABLE
90 stream_timeout, // ETIME // deprecated
91 text_file_busy, // ETXTBSY
92 timed_out, // ETIMEDOUT
93 too_many_files_open_in_system, // ENFILE
94 too_many_files_open, // EMFILE
95 too_many_links, // EMLINK
96 too_many_symbolic_link_levels, // ELOOP
97 value_too_large, // EOVERFLOW
98 wrong_protocol_type // EPROTOTYPE
99};
100
101*/
102
103#include <__config>
104#include <cerrno>
105
106#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
107# pragma GCC system_header
108#endif
109
110// The method of pushing and popping the diagnostics fails for GCC. GCC does
111// not recognize the pragma's used to generate deprecated diagnostics for
112// macros. So GCC does not need the pushing and popping.
113//
114// TODO Remove this when the deprecated constants are removed.
115//
116// Note based on the post-review comments in
117// https://github.com/llvm/llvm-project/pull/80542 libc++ no longer deprecates
118// the macros. Since C libraries may start to deprecate these POSIX macros the
119// deprecation warning avoidance is kept.
120#if defined(_LIBCPP_COMPILER_CLANG_BASED)
121# define _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH _LIBCPP_SUPPRESS_DEPRECATED_PUSH
122# define _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP _LIBCPP_SUPPRESS_DEPRECATED_POP
123#else
124# define _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH
125# define _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP
126#endif
127
128_LIBCPP_BEGIN_NAMESPACE_STD
129
130// Some error codes are not present on all platforms, so we provide equivalents
131// for them:
132
133// enum class errc
134//
135// LWG3869 deprecates the UNIX STREAMS macros and enum values.
136// This makes the code cumbersome:
137// - the enum value is deprecated and should show a diagnostic,
138// - the macro is deprecated and should _not_ show a diagnostic in this
139// context, and
140// - the macro is not always available.
141// This leads to the odd pushing and popping of the deprecated
142// diagnostic.
143_LIBCPP_DECLARE_STRONG_ENUM(errc){
144 address_family_not_supported = EAFNOSUPPORT,
145 address_in_use = EADDRINUSE,
146 address_not_available = EADDRNOTAVAIL,
147 already_connected = EISCONN,
148 argument_list_too_long = E2BIG,
149 argument_out_of_domain = EDOM,
150 bad_address = EFAULT,
151 bad_file_descriptor = EBADF,
152 bad_message = EBADMSG,
153 broken_pipe = EPIPE,
154 connection_aborted = ECONNABORTED,
155 connection_already_in_progress = EALREADY,
156 connection_refused = ECONNREFUSED,
157 connection_reset = ECONNRESET,
158 cross_device_link = EXDEV,
159 destination_address_required = EDESTADDRREQ,
160 device_or_resource_busy = EBUSY,
161 directory_not_empty = ENOTEMPTY,
162 executable_format_error = ENOEXEC,
163 file_exists = EEXIST,
164 file_too_large = EFBIG,
165 filename_too_long = ENAMETOOLONG,
166 function_not_supported = ENOSYS,
167 host_unreachable = EHOSTUNREACH,
168 identifier_removed = EIDRM,
169 illegal_byte_sequence = EILSEQ,
170 inappropriate_io_control_operation = ENOTTY,
171 interrupted = EINTR,
172 invalid_argument = EINVAL,
173 invalid_seek = ESPIPE,
174 io_error = EIO,
175 is_a_directory = EISDIR,
176 message_size = EMSGSIZE,
177 network_down = ENETDOWN,
178 network_reset = ENETRESET,
179 network_unreachable = ENETUNREACH,
180 no_buffer_space = ENOBUFS,
181 no_child_process = ECHILD,
182 no_link = ENOLINK,
183 no_lock_available = ENOLCK,
184 // clang-format off
185 no_message_available _LIBCPP_DEPRECATED =
186 _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH
187#ifdef ENODATA
188 ENODATA
189#else
190 ENOMSG
191#endif
192 _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP
193 ,
194 // clang-format on
195 no_message = ENOMSG,
196 no_protocol_option = ENOPROTOOPT,
197 no_space_on_device = ENOSPC,
198 // clang-format off
199 no_stream_resources _LIBCPP_DEPRECATED =
200 _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH
201#ifdef ENOSR
202 ENOSR
203#else
204 ENOMEM
205#endif
206 _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP
207 ,
208 // clang-format on
209 no_such_device_or_address = ENXIO,
210 no_such_device = ENODEV,
211 no_such_file_or_directory = ENOENT,
212 no_such_process = ESRCH,
213 not_a_directory = ENOTDIR,
214 not_a_socket = ENOTSOCK,
215 // clang-format off
216 not_a_stream _LIBCPP_DEPRECATED =
217 _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH
218#ifdef ENOSTR
219 ENOSTR
220#else
221 EINVAL
222#endif
223 _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP
224 ,
225 // clang-format on
226 not_connected = ENOTCONN,
227 not_enough_memory = ENOMEM,
228 not_supported = ENOTSUP,
229 operation_canceled = ECANCELED,
230 operation_in_progress = EINPROGRESS,
231 operation_not_permitted = EPERM,
232 operation_not_supported = EOPNOTSUPP,
233 operation_would_block = EWOULDBLOCK,
234 owner_dead = EOWNERDEAD,
235 permission_denied = EACCES,
236 protocol_error = EPROTO,
237 protocol_not_supported = EPROTONOSUPPORT,
238 read_only_file_system = EROFS,
239 resource_deadlock_would_occur = EDEADLK,
240 resource_unavailable_try_again = EAGAIN,
241 result_out_of_range = ERANGE,
242 state_not_recoverable = ENOTRECOVERABLE,
243 // clang-format off
244 stream_timeout _LIBCPP_DEPRECATED =
245 _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH
246#ifdef ETIME
247 ETIME
248#else
249 ETIMEDOUT
250#endif
251 _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP
252 ,
253 // clang-format on
254 text_file_busy = ETXTBSY,
255 timed_out = ETIMEDOUT,
256 too_many_files_open_in_system = ENFILE,
257 too_many_files_open = EMFILE,
258 too_many_links = EMLINK,
259 too_many_symbolic_link_levels = ELOOP,
260 value_too_large = EOVERFLOW,
261 wrong_protocol_type = EPROTOTYPE};
262_LIBCPP_DECLARE_STRONG_ENUM_EPILOG(errc)
263
264_LIBCPP_END_NAMESPACE_STD
265
266#endif // _LIBCPP___ERRC
267