errno --- 標準 errno 系統符號¶

This module makes available standard errno system symbols. The value of each symbol is the corresponding integer value. The names and descriptions are borrowed from linux/include/errno.h, which should be all-inclusive.

errno.errorcode¶

Dictionary providing a mapping from the errno value to the string name in the underlying system. For instance, errno.errorcode[errno.EPERM] maps to 'EPERM'.

To translate a numeric error code to an error message, use os.strerror().

Of the following list, symbols that are not used on the current platform are not defined by the module. The specific list of defined symbols is available as errno.errorcode.keys(). Symbols available can include:

errno.EPERM¶

Operation not permitted. This error is mapped to the exception PermissionError.

errno.ENOENT¶

No such file or directory. This error is mapped to the exception FileNotFoundError.

errno.ESRCH¶

No such process. This error is mapped to the exception ProcessLookupError.

errno.EINTR¶

Interrupted system call. This error is mapped to the exception InterruptedError.

errno.EIO¶

I/O error

errno.ENXIO¶

No such device or address

errno.E2BIG¶

Arg list too long

errno.ENOEXEC¶

Exec format error

errno.EBADF¶

Bad file number

errno.ECHILD¶

No child processes. This error is mapped to the exception ChildProcessError.

errno.EAGAIN¶

Try again. This error is mapped to the exception BlockingIOError.

errno.ENOMEM¶

Out of memory

errno.EACCES¶

Permission denied. This error is mapped to the exception PermissionError.

errno.EFAULT¶

Bad address

errno.ENOTBLK¶

Block device required

errno.EBUSY¶

Device or resource busy

errno.EEXIST¶

File exists. This error is mapped to the exception FileExistsError.

errno.EXDEV¶

Cross-device link

errno.ENODEV¶

No such device

errno.ENOTDIR¶

Not a directory. This error is mapped to the exception NotADirectoryError.

errno.EISDIR¶

Is a directory. This error is mapped to the exception IsADirectoryError.

errno.EINVAL¶

Invalid argument

errno.ENFILE¶

File table overflow

errno.EMFILE¶

Too many open files

errno.ENOTTY¶

Not a typewriter

errno.ETXTBSY¶

Text file busy

errno.EFBIG¶

File too large

errno.ENOSPC¶

No space left on device

errno.ESPIPE¶

Illegal seek

errno.EROFS¶

Read-only file system

errno.EMLINK¶

Too many links

errno.EPIPE¶

Broken pipe. This error is mapped to the exception BrokenPipeError.

errno.EDOM¶

Math argument out of domain of func

errno.ERANGE¶

Math result not representable

errno.EDEADLK¶

Resource deadlock would occur

errno.ENAMETOOLONG¶

File name too long

errno.ENOLCK¶

No record locks available

errno.ENOSYS¶

Function not implemented

errno.ENOTEMPTY¶

Directory not empty

errno.ELOOP¶

Too many symbolic links encountered

errno.EWOULDBLOCK¶

Operation would block. This error is mapped to the exception BlockingIOError.

errno.ENOMSG¶

No message of desired type

errno.EIDRM¶

Identifier removed

errno.ECHRNG¶

Channel number out of range

errno.EL2NSYNC¶

Level 2 not synchronized

errno.EL3HLT¶

Level 3 halted

errno.EL3RST¶

Level 3 reset

errno.ELNRNG¶

Link number out of range

errno.EUNATCH¶

Protocol driver not attached

errno.ENOCSI¶

No CSI structure available

errno.EL2HLT¶

Level 2 halted

errno.EBADE¶

Invalid exchange

errno.EBADR¶

Invalid request descriptor

errno.EXFULL¶

Exchange full

errno.ENOANO¶

No anode

errno.EBADRQC¶

Invalid request code

errno.EBADSLT¶

Invalid slot

errno.EDEADLOCK¶

File locking deadlock error

errno.EBFONT¶

Bad font file format

errno.ENOSTR¶

Device not a stream

errno.ENODATA¶

No data available

errno.ETIME¶

Timer expired

errno.ENOSR¶

Out of streams resources

errno.ENONET¶

Machine is not on the network

errno.ENOPKG¶

Package not installed

errno.EREMOTE¶

Object is remote

errno.ENOLINK¶

Link has been severed

errno.EADV¶

Advertise error

errno.ESRMNT¶

Srmount error

errno.ECOMM¶

Communication error on send

errno.EPROTO¶

Protocol error

errno.EMULTIHOP¶

Multihop attempted

errno.EDOTDOT¶

RFS specific error

errno.EBADMSG¶

Not a data message

errno.EOVERFLOW¶

Value too large for defined data type

errno.ENOTUNIQ¶

Name not unique on network

errno.EBADFD¶

File descriptor in bad state

errno.EREMCHG¶

Remote address changed

errno.ELIBACC¶

Can not access a needed shared library

errno.ELIBBAD¶

Accessing a corrupted shared library

errno.ELIBSCN¶

.lib section in a.out corrupted

errno.ELIBMAX¶

Attempting to link in too many shared libraries

errno.ELIBEXEC¶

Cannot exec a shared library directly

errno.EILSEQ¶

Illegal byte sequence

errno.ERESTART¶

Interrupted system call should be restarted

errno.ESTRPIPE¶

Streams pipe error

errno.EUSERS¶

使用者數量過多

errno.ENOTSOCK¶

Socket operation on non-socket

errno.EDESTADDRREQ¶

Destination address required

errno.EMSGSIZE¶

Message too long

errno.EPROTOTYPE¶

Protocol wrong type for socket

errno.ENOPROTOOPT¶

Protocol not available

errno.EPROTONOSUPPORT¶

Protocol not supported

errno.ESOCKTNOSUPPORT¶

Socket type not supported

errno.EOPNOTSUPP¶

Operation not supported on transport endpoint

errno.ENOTSUP¶

Operation not supported

在 3.2 版被加入.

errno.EPFNOSUPPORT¶

Protocol family not supported

errno.EAFNOSUPPORT¶

Address family not supported by protocol

errno.EADDRINUSE¶

Address already in use

errno.EADDRNOTAVAIL¶

Cannot assign requested address

errno.ENETDOWN¶

Network is down

errno.ENETUNREACH¶

Network is unreachable

errno.ENETRESET¶

Network dropped connection because of reset

errno.ECONNABORTED¶

Software caused connection abort. This error is mapped to the exception ConnectionAbortedError.

errno.ECONNRESET¶

Connection reset by peer. This error is mapped to the exception ConnectionResetError.

errno.ENOBUFS¶

No buffer space available

errno.EISCONN¶

Transport endpoint is already connected

errno.ENOTCONN¶

Transport endpoint is not connected

errno.ESHUTDOWN¶

Cannot send after transport endpoint shutdown. This error is mapped to the exception BrokenPipeError.

errno.ETOOMANYREFS¶

Too many references: cannot splice

errno.ETIMEDOUT¶

Connection timed out. This error is mapped to the exception TimeoutError.

errno.ECONNREFUSED¶

Connection refused. This error is mapped to the exception ConnectionRefusedError.

errno.EHOSTDOWN¶

Host is down

errno.EHOSTUNREACH¶

No route to host

errno.EHWPOISON¶

Memory page has hardware error.

在 3.14 版被加入.

errno.EALREADY¶

Operation already in progress. This error is mapped to the exception BlockingIOError.

errno.EINPROGRESS¶

Operation now in progress. This error is mapped to the exception BlockingIOError.

errno.ESTALE¶

Stale NFS file handle

errno.EUCLEAN¶

Structure needs cleaning

errno.ENOTNAM¶

Not a XENIX named type file

errno.ENAVAIL¶

No XENIX semaphores available

errno.EISNAM¶

Is a named type file

errno.EREMOTEIO¶

Remote I/O error

errno.EDQUOT¶

Quota exceeded

errno.EQFULL¶

Interface output queue is full

在 3.11 版被加入.

errno.ENOMEDIUM¶

No medium found

errno.EMEDIUMTYPE¶

Wrong medium type

errno.ENOKEY¶

Required key not available

errno.EKEYEXPIRED¶

Key has expired

errno.EKEYREVOKED¶

Key has been revoked

errno.EKEYREJECTED¶

Key was rejected by service

errno.ERFKILL¶

Operation not possible due to RF-kill

errno.ELOCKUNMAPPED¶

Locked lock was unmapped

errno.ENOTACTIVE¶

Facility is not active

errno.EAUTH¶

Authentication error

在 3.2 版被加入.

errno.EBADARCH¶

Bad CPU type in executable

在 3.2 版被加入.

errno.EBADEXEC¶

Bad executable (or shared library)

在 3.2 版被加入.

errno.EBADMACHO¶

Malformed Mach-o file

在 3.2 版被加入.

errno.EDEVERR¶

裝置錯誤

在 3.2 版被加入.

errno.EFTYPE¶

不適當的檔案類型或格式

在 3.2 版被加入.

errno.ENEEDAUTH¶

需要驗證器

在 3.2 版被加入.

errno.ENOATTR¶

找不到屬性

在 3.2 版被加入.

errno.ENOPOLICY¶

Policy not found

在 3.2 版被加入.

errno.EPROCLIM¶

行程數量過多

在 3.2 版被加入.

errno.EPROCUNAVAIL¶

Bad procedure for program

在 3.2 版被加入.

errno.EPROGMISMATCH¶

Program version wrong

在 3.2 版被加入.

errno.EPROGUNAVAIL¶

RPC prog. not avail

在 3.2 版被加入.

errno.EPWROFF¶

裝置電源關閉

在 3.2 版被加入.

errno.EBADRPC¶

RPC 結構不正確

在 3.2 版被加入.

errno.ERPCMISMATCH¶

RPC 版本錯誤

在 3.2 版被加入.

errno.ESHLIBVERS¶

共享函式庫版本不匹配

在 3.2 版被加入.

errno.ENOTCAPABLE¶

Capabilities insufficient. This error is mapped to the exception PermissionError.

可用性: WASI, FreeBSD

在 3.11.1 版被加入.

errno.ECANCELED¶

操作已取消

在 3.2 版被加入.

errno.EOWNERDEAD¶

擁有者過世

在 3.2 版被加入.

errno.ENOTRECOVERABLE¶

狀態無法恢復

在 3.2 版被加入.