FreeBSD Manual Pages
std::errc(3) C++ Standard Libary std::errc(3) NAME std::errc - std::errc Synopsis Defined in header <system_error> enum class errc; (since C++11) The scoped enumeration std::errc defines the values of portable er- ror conditions that correspond to the POSIX error codes. Member constants Constant Equivalent POSIX Error 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 no_message ENOMSG no_protocol_option ENOPROTOOPT no_space_on_device ENOSPC no_stream_resources ENOSR 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 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 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 Non-member functions make_error_code(std::errc) constructs an std::errc error code (C++11) (function) make_error_condition(std::errc) constructs an std::errc error condi- tion (C++11) (function) Helper classes extends the type trait is_error_condition_enum<std::errc> std::is_error_condition_enum to identify (C++11) std::errc values as error condi- tions (function template) Example // Run this code #include <iostream> #include <system_error> #include <thread> int main() { try { std::thread().detach(); // detaching a not-a-thread } catch (const std::system_error& e) { std::cout << "Caught a system_error\n"; if(e.code() == std::errc::invalid_argument) std::cout << "The error condition is std::errc::in- valid_argument\n"; std::cout << "the error description is " << e.what() << '\n'; } } Possible output: Caught a system_error The error condition is std::errc::invalid_argument the error description is Invalid argument See also error_code holds a platform-dependent error code (C++11) (class) error_condition holds a portable error code (C++11) (class) http://cppreference.com 2022.07.31 std::errc(3)
NAME | Synopsis | Member constants | Non-member functions | Helper classes | Example | Possible output: | See also
Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=std::errc&sektion=3&manpath=FreeBSD+Ports+15.0>