Struct Errno

pub struct Errno(/* private fields */);

Available on (target_arch="sparc" or SPARC64) and Linux, or crate feature sparc, or crate feature sparc64 only.

Error number representation.

Implementations

impl Errno

pub fn new(num: i32) -> Self

Returns a new Errno from the given integer.

pub fn into_raw(self) -> i32

Converts Errno into the under underlining integer.

pub fn is_valid(&self) -> bool

Returns true if the error code is in valid range (lower than 4096)

pub fn from_ret(value: usize) -> Result<usize, Errno>

Returns a new Errno from a syscall’s result.

pub fn name(&self) -> Option<&'static str>

Returns the name of the error if it’s known. Generally the name of the constant.

pub fn description(&self) -> Option<&'static str>

Returns a description of the error if it’s known.

pub fn from_io_error(err: Error) -> Option<Self>

Available on crate feature std only.

Returns a new Errno if the given error is generated from a system error. None otherwise.

pub fn iter() -> ErrnoIter

Available on crate feature iter only.

Returns an iterator ErrnoIter over all the known error numbers.

impl Errno

pub const EPERM: Self

Operation not permitted

pub const ENOENT: Self

No such file or directory

pub const ESRCH: Self

No such process

pub const EINTR: Self

Interrupted system call

pub const EIO: Self

I/O error

pub const ENXIO: Self

No such device or address

pub const E2BIG: Self

Argument list too long

pub const ENOEXEC: Self

Exec format error

pub const EBADF: Self

Bad file number

pub const ECHILD: Self

No child processes

pub const EAGAIN: Self

Try again

pub const ENOMEM: Self

Out of memory

pub const EACCES: Self

Permission denied

pub const EFAULT: Self

Bad address

pub const ENOTBLK: Self

Block device required

pub const EBUSY: Self

Device or resource busy

pub const EEXIST: Self

File exists

pub const EXDEV: Self

Cross-device link

pub const ENODEV: Self

No such device

pub const ENOTDIR: Self

Not a directory

pub const EISDIR: Self

Is a directory

pub const EINVAL: Self

Invalid argument

pub const ENFILE: Self

File table overflow

pub const EMFILE: Self

Too many open files

pub const ENOTTY: Self

Not a typewriter

pub const ETXTBSY: Self

Text file busy

pub const EFBIG: Self

File too large

pub const ENOSPC: Self

No space left on device

pub const ESPIPE: Self

Illegal seek

pub const EROFS: Self

Read-only file system

pub const EMLINK: Self

Too many links

pub const EPIPE: Self

Broken pipe

pub const EDOM: Self

Math argument out of domain of func

pub const ERANGE: Self

Math result not representable

pub const EINPROGRESS: Self

Operation now in progress

pub const EALREADY: Self

Operation already in progress

pub const ENOTSOCK: Self

Socket operation on non-socket

pub const EDESTADDRREQ: Self

Destination address required

pub const EMSGSIZE: Self

Message too long

pub const EPROTOTYPE: Self

Protocol wrong type for socket

pub const ENOPROTOOPT: Self

Protocol not available

pub const EPROTONOSUPPORT: Self

Protocol not supported

pub const ESOCKTNOSUPPORT: Self

Socket type not supported

pub const EOPNOTSUPP: Self

Op not supported on transport endpoint

pub const EPFNOSUPPORT: Self

Protocol family not supported

pub const EAFNOSUPPORT: Self

Address family not supported by protocol

pub const EADDRINUSE: Self

Address already in use

pub const EADDRNOTAVAIL: Self

Cannot assign requested address

pub const ENETDOWN: Self

Network is down

pub const ENETUNREACH: Self

Network is unreachable

pub const ENETRESET: Self

Net dropped connection because of reset

pub const ECONNABORTED: Self

Software caused connection abort

pub const ECONNRESET: Self

Connection reset by peer

pub const ENOBUFS: Self

No buffer space available

pub const EISCONN: Self

Transport endpoint is already connected

pub const ENOTCONN: Self

Transport endpoint is not connected

pub const ESHUTDOWN: Self

No send after transport endpoint shutdown

pub const ETOOMANYREFS: Self

Too many references: cannot splice

pub const ETIMEDOUT: Self

Connection timed out

pub const ECONNREFUSED: Self

Connection refused

pub const ELOOP: Self

Too many symbolic links encountered

pub const ENAMETOOLONG: Self

File name too long

pub const EHOSTDOWN: Self

Host is down

pub const EHOSTUNREACH: Self

No route to host

pub const ENOTEMPTY: Self

Directory not empty

pub const EPROCLIM: Self

SUNOS: Too many processes

pub const EUSERS: Self

Too many users

pub const EDQUOT: Self

Quota exceeded

pub const ESTALE: Self

Stale file handle

pub const EREMOTE: Self

Object is remote

pub const ENOSTR: Self

Device not a stream

pub const ETIME: Self

Timer expired

pub const ENOSR: Self

Out of streams resources

pub const ENOMSG: Self

No message of desired type

pub const EBADMSG: Self

Not a data message

pub const EIDRM: Self

Identifier removed

pub const EDEADLK: Self

Resource deadlock would occur

pub const ENOLCK: Self

No record locks available

pub const ENONET: Self

Machine is not on the network

pub const ERREMOTE: Self

SunOS: Too many lvls of remote in path

pub const ENOLINK: Self

Link has been severed

pub const EADV: Self

Advertise error

pub const ESRMNT: Self

Srmount error

pub const ECOMM: Self

Communication error on send

pub const EPROTO: Self

Protocol error

pub const EMULTIHOP: Self

Multihop attempted

pub const EDOTDOT: Self

RFS specific error

pub const EREMCHG: Self

Remote address changed

pub const ENOSYS: Self

Function not implemented

pub const ESTRPIPE: Self

Streams pipe error

pub const EOVERFLOW: Self

Value too large for defined data type

pub const EBADFD: Self

File descriptor in bad state

pub const ECHRNG: Self

Channel number out of range

pub const EL2NSYNC: Self

Level 2 not synchronized

pub const EL3HLT: Self

Level 3 halted

pub const EL3RST: Self

Level 3 reset

pub const ELNRNG: Self

Link number out of range

pub const EUNATCH: Self

Protocol driver not attached

pub const ENOCSI: Self

No CSI structure available

pub const EL2HLT: Self

Level 2 halted

pub const EBADE: Self

Invalid exchange

pub const EBADR: Self

Invalid request descriptor

pub const EXFULL: Self

Exchange full

pub const ENOANO: Self

No anode

pub const EBADRQC: Self

Invalid request code

pub const EBADSLT: Self

Invalid slot

pub const EDEADLOCK: Self

File locking deadlock error

pub const EBFONT: Self

Bad font file format

pub const ELIBEXEC: Self

Cannot exec a shared library directly

pub const ENODATA: Self

No data available

pub const ELIBBAD: Self

Accessing a corrupted shared library

pub const ENOPKG: Self

Package not installed

pub const ELIBACC: Self

Can not access a needed shared library

pub const ENOTUNIQ: Self

Name not unique on network

pub const ERESTART: Self

Interrupted syscall should be restarted

pub const EUCLEAN: Self

Structure needs cleaning

pub const ENOTNAM: Self

Not a XENIX named type file

pub const ENAVAIL: Self

No XENIX semaphores available

pub const EISNAM: Self

Is a named type file

pub const EREMOTEIO: Self

Remote I/O error

pub const EILSEQ: Self

Illegal byte sequence

pub const ELIBMAX: Self

Atmpt to link in too many shared libs

pub const ELIBSCN: Self

.lib section in a.out corrupted

pub const ENOMEDIUM: Self

No medium found

pub const EMEDIUMTYPE: Self

Wrong medium type

pub const ECANCELED: Self

Operation Cancelled

pub const ENOKEY: Self

Required key not available

pub const EKEYEXPIRED: Self

Key has expired

pub const EKEYREVOKED: Self

Key has been revoked

pub const EKEYREJECTED: Self

Key was rejected by service

pub const EOWNERDEAD: Self

Owner died

pub const ENOTRECOVERABLE: Self

State not recoverable

pub const ERFKILL: Self

Operation not possible due to RF-kill

pub const EHWPOISON: Self

Memory page has hardware error

pub const ERESTARTSYS: Self

Restart syscall

pub const ERESTARTNOINTR: Self

Restart if no interrupt

pub const ERESTARTNOHAND: Self

restart if no handler..

pub const ENOIOCTLCMD: Self

No ioctl command

pub const ERESTART_RESTARTBLOCK: Self

restart by calling sys_restart_syscall

pub const EPROBE_DEFER: Self

Driver requests probe retry

pub const EOPENSTALE: Self

open found a stale dentry

pub const ENOPARAM: Self

Parameter not supported

pub const EBADHANDLE: Self

Illegal NFS file handle

pub const ENOTSYNC: Self

Update synchronization mismatch

pub const EBADCOOKIE: Self

Cookie is stale

pub const ENOTSUPP: Self

Operation is not supported

pub const ETOOSMALL: Self

Buffer or request is too small

pub const ESERVERFAULT: Self

An untranslatable error occurred

pub const EBADTYPE: Self

Type not supported by server

pub const EJUKEBOX: Self

Request initiated, but will not complete before timeout

pub const EIOCBQUEUED: Self

iocb queued, will get completion event

pub const ERECALLCONFLICT: Self

conflict with recalled state

pub const ENOGRACE: Self

NFS file lock reclaim refused

pub const EWOULDBLOCK: Self = Self::EAGAIN

Alias for Self::EAGAIN

pub const MIN: i32 = 1i32

pub const MAX: i32 = 531i32

Trait Implementations

impl Clone for Errno

fn clone(&self) -> Errno

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Errno

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for Errno

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for Errno

Available on crate feature std only.

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl Error for Errno

Available on crate feature no_std_io-compat only.

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

impl From<Errno> for Error

Available on crate feature std only.

fn from(value: Errno) -> Self

Converts to this type from the input type.

impl From<Errno> for Error

Available on crate feature no_std_io-compat only.

fn from(value: Errno) -> Self

Converts to this type from the input type.

impl Hash for Errno

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given [Hasher].

impl Ord for Errno

fn cmp(&self, other: &Errno) -> Ordering

This method returns an [Ordering] between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Errno

fn eq(&self, other: &Errno) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for Errno

fn partial_cmp(&self, other: &Errno) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for Errno

impl Eq for Errno

impl StructuralPartialEq for Errno