|  | // -*- C++ -*- | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifndef _LIBCPP___ERRC | 
|  | #define _LIBCPP___ERRC | 
|  |  | 
|  | /* | 
|  | system_error synopsis | 
|  |  | 
|  | namespace std | 
|  | { | 
|  |  | 
|  | enum class errc | 
|  | { | 
|  | address_family_not_supported,       // EAFNOSUPPORT | 
|  | address_in_use,                     // EADDRINUSE | 
|  | address_not_available,              // EADDRNOTAVAIL | 
|  | already_connected,                  // EISCONN | 
|  | argument_list_too_long,             // E2BIG | 
|  | argument_out_of_domain,             // EDOM | 
|  | bad_address,                        // EFAULT | 
|  | bad_file_descriptor,                // EBADF | 
|  | bad_message,                        // EBADMSG | 
|  | broken_pipe,                        // EPIPE | 
|  | connection_aborted,                 // ECONNABORTED | 
|  | connection_already_in_progress,     // EALREADY | 
|  | connection_refused,                 // ECONNREFUSED | 
|  | connection_reset,                   // ECONNRESET | 
|  | cross_device_link,                  // EXDEV | 
|  | destination_address_required,       // EDESTADDRREQ | 
|  | device_or_resource_busy,            // EBUSY | 
|  | directory_not_empty,                // ENOTEMPTY | 
|  | executable_format_error,            // ENOEXEC | 
|  | file_exists,                        // EEXIST | 
|  | file_too_large,                     // EFBIG | 
|  | filename_too_long,                  // ENAMETOOLONG | 
|  | function_not_supported,             // ENOSYS | 
|  | host_unreachable,                   // EHOSTUNREACH | 
|  | identifier_removed,                 // EIDRM | 
|  | illegal_byte_sequence,              // EILSEQ | 
|  | inappropriate_io_control_operation, // ENOTTY | 
|  | interrupted,                        // EINTR | 
|  | invalid_argument,                   // EINVAL | 
|  | invalid_seek,                       // ESPIPE | 
|  | io_error,                           // EIO | 
|  | is_a_directory,                     // EISDIR | 
|  | message_size,                       // EMSGSIZE | 
|  | network_down,                       // ENETDOWN | 
|  | network_reset,                      // ENETRESET | 
|  | network_unreachable,                // ENETUNREACH | 
|  | no_buffer_space,                    // ENOBUFS | 
|  | no_child_process,                   // ECHILD | 
|  | no_link,                            // ENOLINK | 
|  | no_lock_available,                  // ENOLCK | 
|  | no_message_available,               // ENODATA         // deprecated | 
|  | no_message,                         // ENOMSG | 
|  | no_protocol_option,                 // ENOPROTOOPT | 
|  | no_space_on_device,                 // ENOSPC | 
|  | no_stream_resources,                // ENOSR           // deprecated | 
|  | no_such_device_or_address,          // ENXIO | 
|  | no_such_device,                     // ENODEV | 
|  | no_such_file_or_directory,          // ENOENT | 
|  | no_such_process,                    // ESRCH | 
|  | not_a_directory,                    // ENOTDIR | 
|  | not_a_socket,                       // ENOTSOCK | 
|  | not_a_stream,                       // ENOSTR          // deprecated | 
|  | not_connected,                      // ENOTCONN | 
|  | not_enough_memory,                  // ENOMEM | 
|  | not_supported,                      // ENOTSUP | 
|  | operation_canceled,                 // ECANCELED | 
|  | operation_in_progress,              // EINPROGRESS | 
|  | operation_not_permitted,            // EPERM | 
|  | operation_not_supported,            // EOPNOTSUPP | 
|  | operation_would_block,              // EWOULDBLOCK | 
|  | owner_dead,                         // EOWNERDEAD | 
|  | permission_denied,                  // EACCES | 
|  | protocol_error,                     // EPROTO | 
|  | protocol_not_supported,             // EPROTONOSUPPORT | 
|  | read_only_file_system,              // EROFS | 
|  | resource_deadlock_would_occur,      // EDEADLK | 
|  | resource_unavailable_try_again,     // EAGAIN | 
|  | result_out_of_range,                // ERANGE | 
|  | state_not_recoverable,              // ENOTRECOVERABLE | 
|  | stream_timeout,                     // ETIME           // deprecated | 
|  | text_file_busy,                     // ETXTBSY | 
|  | timed_out,                          // ETIMEDOUT | 
|  | too_many_files_open_in_system,      // ENFILE | 
|  | too_many_files_open,                // EMFILE | 
|  | too_many_links,                     // EMLINK | 
|  | too_many_symbolic_link_levels,      // ELOOP | 
|  | value_too_large,                    // EOVERFLOW | 
|  | wrong_protocol_type                 // EPROTOTYPE | 
|  | }; | 
|  |  | 
|  | */ | 
|  |  | 
|  | #include <__config> | 
|  | #include <cerrno> | 
|  |  | 
|  | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | 
|  | #  pragma GCC system_header | 
|  | #endif | 
|  |  | 
|  | // The method of pushing and popping the diagnostics fails for GCC.  GCC does | 
|  | // not recognize the pragma's used to generate deprecated diagnostics for | 
|  | // macros. So GCC does not need the pushing and popping. | 
|  | // | 
|  | // TODO Remove this when the deprecated constants are removed. | 
|  | // | 
|  | // Note based on the post-review comments in | 
|  | // https://github.com/llvm/llvm-project/pull/80542 libc++ no longer deprecates | 
|  | // the macros. Since C libraries may start to deprecate these POSIX macros the | 
|  | // deprecation warning avoidance is kept. | 
|  | #if defined(_LIBCPP_COMPILER_CLANG_BASED) | 
|  | #  define _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH _LIBCPP_SUPPRESS_DEPRECATED_PUSH | 
|  | #  define _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP _LIBCPP_SUPPRESS_DEPRECATED_POP | 
|  | #else | 
|  | #  define _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH | 
|  | #  define _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP | 
|  | #endif | 
|  |  | 
|  | _LIBCPP_BEGIN_NAMESPACE_STD | 
|  |  | 
|  | // Some error codes are not present on all platforms, so we provide equivalents | 
|  | // for them: | 
|  |  | 
|  | // enum class errc | 
|  | // | 
|  | // LWG3869 deprecates the UNIX STREAMS macros and enum values. | 
|  | // This makes the code cumbersome: | 
|  | // - the enum value is deprecated and should show a diagnostic, | 
|  | // - the macro is deprecated and should _not_ show a diagnostic in this | 
|  | //   context, and | 
|  | // - the macro is not always available. | 
|  | // This leads to the odd pushing and popping of the deprecated | 
|  | // diagnostic. | 
|  | _LIBCPP_DECLARE_STRONG_ENUM(errc){ | 
|  | address_family_not_supported       = EAFNOSUPPORT, | 
|  | address_in_use                     = EADDRINUSE, | 
|  | address_not_available              = EADDRNOTAVAIL, | 
|  | already_connected                  = EISCONN, | 
|  | argument_list_too_long             = E2BIG, | 
|  | argument_out_of_domain             = EDOM, | 
|  | bad_address                        = EFAULT, | 
|  | bad_file_descriptor                = EBADF, | 
|  | bad_message                        = EBADMSG, | 
|  | broken_pipe                        = EPIPE, | 
|  | connection_aborted                 = ECONNABORTED, | 
|  | connection_already_in_progress     = EALREADY, | 
|  | connection_refused                 = ECONNREFUSED, | 
|  | connection_reset                   = ECONNRESET, | 
|  | cross_device_link                  = EXDEV, | 
|  | destination_address_required       = EDESTADDRREQ, | 
|  | device_or_resource_busy            = EBUSY, | 
|  | directory_not_empty                = ENOTEMPTY, | 
|  | executable_format_error            = ENOEXEC, | 
|  | file_exists                        = EEXIST, | 
|  | file_too_large                     = EFBIG, | 
|  | filename_too_long                  = ENAMETOOLONG, | 
|  | function_not_supported             = ENOSYS, | 
|  | host_unreachable                   = EHOSTUNREACH, | 
|  | identifier_removed                 = EIDRM, | 
|  | illegal_byte_sequence              = EILSEQ, | 
|  | inappropriate_io_control_operation = ENOTTY, | 
|  | interrupted                        = EINTR, | 
|  | invalid_argument                   = EINVAL, | 
|  | invalid_seek                       = ESPIPE, | 
|  | io_error                           = EIO, | 
|  | is_a_directory                     = EISDIR, | 
|  | message_size                       = EMSGSIZE, | 
|  | network_down                       = ENETDOWN, | 
|  | network_reset                      = ENETRESET, | 
|  | network_unreachable                = ENETUNREACH, | 
|  | no_buffer_space                    = ENOBUFS, | 
|  | no_child_process                   = ECHILD, | 
|  | no_link                            = ENOLINK, | 
|  | no_lock_available                  = ENOLCK, | 
|  | // clang-format off | 
|  | no_message_available _LIBCPP_DEPRECATED = | 
|  | _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH | 
|  | #ifdef ENODATA | 
|  | ENODATA | 
|  | #else | 
|  | ENOMSG | 
|  | #endif | 
|  | _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP | 
|  | , | 
|  | // clang-format on | 
|  | no_message         = ENOMSG, | 
|  | no_protocol_option = ENOPROTOOPT, | 
|  | no_space_on_device = ENOSPC, | 
|  | // clang-format off | 
|  | no_stream_resources _LIBCPP_DEPRECATED = | 
|  | _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH | 
|  | #ifdef ENOSR | 
|  | ENOSR | 
|  | #else | 
|  | ENOMEM | 
|  | #endif | 
|  | _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP | 
|  | , | 
|  | // clang-format on | 
|  | no_such_device_or_address = ENXIO, | 
|  | no_such_device            = ENODEV, | 
|  | no_such_file_or_directory = ENOENT, | 
|  | no_such_process           = ESRCH, | 
|  | not_a_directory           = ENOTDIR, | 
|  | not_a_socket              = ENOTSOCK, | 
|  | // clang-format off | 
|  | not_a_stream _LIBCPP_DEPRECATED = | 
|  | _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH | 
|  | #ifdef ENOSTR | 
|  | ENOSTR | 
|  | #else | 
|  | EINVAL | 
|  | #endif | 
|  | _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP | 
|  | , | 
|  | // clang-format on | 
|  | not_connected                  = ENOTCONN, | 
|  | not_enough_memory              = ENOMEM, | 
|  | not_supported                  = ENOTSUP, | 
|  | operation_canceled             = ECANCELED, | 
|  | operation_in_progress          = EINPROGRESS, | 
|  | operation_not_permitted        = EPERM, | 
|  | operation_not_supported        = EOPNOTSUPP, | 
|  | operation_would_block          = EWOULDBLOCK, | 
|  | owner_dead                     = EOWNERDEAD, | 
|  | permission_denied              = EACCES, | 
|  | protocol_error                 = EPROTO, | 
|  | protocol_not_supported         = EPROTONOSUPPORT, | 
|  | read_only_file_system          = EROFS, | 
|  | resource_deadlock_would_occur  = EDEADLK, | 
|  | resource_unavailable_try_again = EAGAIN, | 
|  | result_out_of_range            = ERANGE, | 
|  | state_not_recoverable          = ENOTRECOVERABLE, | 
|  | // clang-format off | 
|  | stream_timeout _LIBCPP_DEPRECATED = | 
|  | _LIBCPP_SUPPRESS_DEPRECATED_ERRC_PUSH | 
|  | #ifdef ETIME | 
|  | ETIME | 
|  | #else | 
|  | ETIMEDOUT | 
|  | #endif | 
|  | _LIBCPP_SUPPRESS_DEPRECATED_ERRC_POP | 
|  | , | 
|  | // clang-format on | 
|  | text_file_busy                = ETXTBSY, | 
|  | timed_out                     = ETIMEDOUT, | 
|  | too_many_files_open_in_system = ENFILE, | 
|  | too_many_files_open           = EMFILE, | 
|  | too_many_links                = EMLINK, | 
|  | too_many_symbolic_link_levels = ELOOP, | 
|  | value_too_large               = EOVERFLOW, | 
|  | wrong_protocol_type           = EPROTOTYPE}; | 
|  | _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(errc) | 
|  |  | 
|  | _LIBCPP_END_NAMESPACE_STD | 
|  |  | 
|  | #endif // _LIBCPP___ERRC |