错误码系统实现更多...

类
class	neforce::error_category
	错误类别抽象基类更多...
class	neforce::generic_error_category
	通用错误类别更多...
class	neforce::system_error_category
	系统错误类别更多...
class	neforce::error_code
	错误码更多...
class	neforce::error_condition
	错误条件更多...
class	neforce::ssl_error_category
	OpenSSL错误类别更多...

枚举
enum class	neforce::errc : int32_t { errc::success = 0 , errc::address_family_not_supported = EAFNOSUPPORT , errc::address_in_use = EADDRINUSE , errc::address_not_available = EADDRNOTAVAIL , errc::already_connected = EISCONN , errc::argument_list_too_long = E2BIG , errc::argument_out_of_domain = EDOM , errc::bad_address = EFAULT , errc::bad_file_descriptor = EBADF , errc::invalid_argument = EINVAL , errc::value_too_large = EOVERFLOW , errc::result_out_of_range = ERANGE , errc::broken_pipe = EPIPE , errc::connection_aborted = ECONNABORTED , errc::connection_already_in_progress = EALREADY , errc::connection_refused = ECONNREFUSED , errc::connection_reset = ECONNRESET , errc::destination_address_required = EDESTADDRREQ , errc::host_unreachable = EHOSTUNREACH , errc::message_size = EMSGSIZE , errc::network_down = ENETDOWN , errc::network_reset = ENETRESET , errc::network_unreachable = ENETUNREACH , errc::no_buffer_space = ENOBUFS , errc::no_protocol_option = ENOPROTOOPT , errc::not_connected = ENOTCONN , errc::operation_in_progress = EINPROGRESS , errc::operation_would_block = EWOULDBLOCK , errc::protocol_error = EPROTO , errc::protocol_not_supported = EPROTONOSUPPORT , errc::stream_timeout = ETIME , errc::timed_out = ETIMEDOUT , errc::wrong_protocol_type = EPROTOTYPE , errc::cross_device_link = EXDEV , errc::device_or_resource_busy = EBUSY , errc::directory_not_empty = ENOTEMPTY , errc::file_exists = EEXIST , errc::file_too_large = EFBIG , errc::filename_too_long = ENAMETOOLONG , errc::inappropriate_io_control_operation = ENOTTY , errc::invalid_seek = ESPIPE , errc::io_error = EIO , errc::is_a_directory = EISDIR , errc::no_space_on_device = ENOSPC , errc::no_such_device_or_address = ENXIO , errc::no_such_device = ENODEV , errc::no_such_file_or_directory = ENOENT , errc::not_a_directory = ENOTDIR , errc::read_only_file_system = EROFS , errc::text_file_busy = ETXTBSY , errc::too_many_files_open_in_system = ENFILE , errc::too_many_files_open = EMFILE , errc::too_many_links = EMLINK , errc::too_many_symbolic_link_levels = ELOOP , errc::no_child_process = ECHILD , errc::no_such_process = ESRCH , errc::operation_not_permitted = EPERM , errc::permission_denied = EACCES , errc::not_enough_memory = ENOMEM , errc::no_lock_available = ENOLCK , errc::interrupted = EINTR , errc::owner_dead = EOWNERDEAD , errc::state_not_recoverable = ENOTRECOVERABLE , errc::executable_format_error = ENOEXEC , errc::function_not_supported = ENOSYS , errc::illegal_byte_sequence = EILSEQ , errc::not_supported = ENOTSUP , errc::operation_not_supported = EOPNOTSUPP , errc::no_message_available = ENODATA , errc::no_message = ENOMSG , errc::operation_canceled = ECANCELED , errc::resource_deadlock_would_occur = EDEADLK , errc::resource_unavailable_try_again = EAGAIN , errc::identifier_removed = EIDRM , errc::no_link = ENOLINK , errc::not_a_socket = ENOTSOCK }
	系统错误码枚举更多...

函数
const error_category &	neforce::generic_category () noexcept
	获取通用错误类别单例
error_code	neforce::make_error_code (errc e) noexcept
	从 errc 枚举创建错误码
error_condition	neforce::make_error_condition (errc e) noexcept
	从 errc 枚举创建错误条件
const error_category &	neforce::system_category () noexcept
	获取系统错误类别单例
error_code	neforce::last_error () noexcept
	获取当前系统错误码
const error_category &	neforce::ssl_category () noexcept
	获取SSL错误类别单例
static const error_category &	neforce::error_category::generic () noexcept
	获取通用错误类别单例
static const error_category &	neforce::error_category::system () noexcept
	获取系统错误类别单例

详细描述

错误码系统实现

枚举类型说明

◆ errc

enum class neforce::errc : int32_t

strong

系统错误码枚举

定义了常见的系统错误码，与POSIX errno值对应。提供类型安全的错误码表示，避免使用原始整数。

枚举值
success	操作成功
address_family_not_supported	地址族不支持
address_in_use	地址已在使用中
address_not_available	地址不可用
already_connected	已连接
argument_list_too_long	参数列表过长
argument_out_of_domain	参数超出域
bad_address	错误地址
bad_file_descriptor	错误的文件描述符
invalid_argument	无效参数
value_too_large	值过大
result_out_of_range	结果超出范围
broken_pipe	管道破裂
connection_aborted	连接中止
connection_already_in_progress	连接已在进行中
connection_refused	连接被拒绝
connection_reset	连接被重置
destination_address_required	需要目标地址
host_unreachable	主机不可达
message_size	消息大小错误
network_down	网络故障
network_reset	网络重置
network_unreachable	网络不可达
no_buffer_space	无缓冲区空间
no_protocol_option	无协议选项
not_connected	未连接
operation_in_progress	操作进行中
operation_would_block	操作会阻塞
protocol_error	协议错误
protocol_not_supported	协议不支持
stream_timeout	流超时
timed_out	超时
wrong_protocol_type	错误的协议类型
cross_device_link	跨设备链接
device_or_resource_busy	设备或资源忙
directory_not_empty	目录非空
file_exists	文件已存在
file_too_large	文件过大
filename_too_long	文件名过长
inappropriate_io_control_operation	不适当的I/O控制操作
invalid_seek	无效的偏移定位
io_error	I/O错误
is_a_directory	是目录
no_space_on_device	设备无空间
no_such_device_or_address	无此设备或地址
no_such_device	无此设备
no_such_file_or_directory	无此文件或目录
not_a_directory	不是目录
read_only_file_system	只读文件系统
text_file_busy	文本文件忙
too_many_files_open_in_system	系统中打开文件过多
too_many_files_open	打开文件过多
too_many_links	链接过多
too_many_symbolic_link_levels	符号链接层次过多
no_child_process	无子进程
no_such_process	无此进程
operation_not_permitted	操作不允许
permission_denied	权限被拒绝
not_enough_memory	内存不足
no_lock_available	无可用锁
interrupted	被中断
owner_dead	所有者已死
state_not_recoverable	状态不可恢复
executable_format_error	可执行文件格式错误
function_not_supported	功能不支持
illegal_byte_sequence	非法字节序列
not_supported	不支持
operation_not_supported	操作不支持
no_message_available	无可用消息
no_message	无消息
operation_canceled	操作已取消
resource_deadlock_would_occur	可能发生死锁
resource_unavailable_try_again	资源不可用，请重试
identifier_removed	标识符已移除
no_link	无链接
not_a_socket	不是套接字