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Errno

starry_kernel

Struct Errno 

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

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impl Errno

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pub const EPERM: Errno

Operation not permitted

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pub const ENOENT: Errno

No such file or directory

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pub const ESRCH: Errno

No such process

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pub const EINTR: Errno

Interrupted system call

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pub const EIO: Errno

I/O error

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pub const ENXIO: Errno

No such device or address

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pub const E2BIG: Errno

Argument list too long

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pub const ENOEXEC: Errno

Exec format error

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pub const EBADF: Errno

Bad file number

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pub const ECHILD: Errno

No child processes

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pub const EAGAIN: Errno

Try again

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pub const ENOMEM: Errno

Out of memory

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pub const EACCES: Errno

Permission denied

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pub const EFAULT: Errno

Bad address

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pub const ENOTBLK: Errno

Block device required

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pub const EBUSY: Errno

Device or resource busy

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pub const EEXIST: Errno

File exists

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pub const EXDEV: Errno

Cross-device link

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pub const ENODEV: Errno

No such device

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pub const ENOTDIR: Errno

Not a directory

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pub const EISDIR: Errno

Is a directory

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pub const EINVAL: Errno

Invalid argument

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pub const ENFILE: Errno

File table overflow

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pub const EMFILE: Errno

Too many open files

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pub const ENOTTY: Errno

Not a typewriter

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pub const ETXTBSY: Errno

Text file busy

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pub const EFBIG: Errno

File too large

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pub const ENOSPC: Errno

No space left on device

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pub const ESPIPE: Errno

Illegal seek

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pub const EROFS: Errno

Read-only file system

Too many links

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pub const EPIPE: Errno

Broken pipe

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pub const EDOM: Errno

Math argument out of domain of func

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pub const ERANGE: Errno

Math result not representable

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pub const EDEADLK: Errno

Resource deadlock would occur

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pub const ENAMETOOLONG: Errno

File name too long

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pub const ENOLCK: Errno

No record locks available

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pub const ENOSYS: Errno

Invalid system call number

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pub const ENOTEMPTY: Errno

Directory not empty

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pub const ELOOP: Errno

Too many symbolic links encountered

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pub const ENOMSG: Errno

No message of desired type

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pub const EIDRM: Errno

Identifier removed

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pub const ECHRNG: Errno

Channel number out of range

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pub const EL2NSYNC: Errno

Level 2 not synchronized

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pub const EL3HLT: Errno

Level 3 halted

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pub const EL3RST: Errno

Level 3 reset

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pub const ELNRNG: Errno

Link number out of range

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pub const EUNATCH: Errno

Protocol driver not attached

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pub const ENOCSI: Errno

No CSI structure available

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pub const EL2HLT: Errno

Level 2 halted

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pub const EBADE: Errno

Invalid exchange

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pub const EBADR: Errno

Invalid request descriptor

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pub const EXFULL: Errno

Exchange full

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pub const ENOANO: Errno

No anode

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pub const EBADRQC: Errno

Invalid request code

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pub const EBADSLT: Errno

Invalid slot

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pub const EBFONT: Errno

Bad font file format

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pub const ENOSTR: Errno

Device not a stream

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pub const ENODATA: Errno

No data available

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pub const ETIME: Errno

Timer expired

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pub const ENOSR: Errno

Out of streams resources

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pub const ENONET: Errno

Machine is not on the network

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pub const ENOPKG: Errno

Package not installed

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pub const EREMOTE: Errno

Object is remote

Link has been severed

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pub const EADV: Errno

Advertise error

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pub const ESRMNT: Errno

Srmount error

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pub const ECOMM: Errno

Communication error on send

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pub const EPROTO: Errno

Protocol error

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pub const EMULTIHOP: Errno

Multihop attempted

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pub const EDOTDOT: Errno

RFS specific error

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pub const EBADMSG: Errno

Not a data message

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pub const EOVERFLOW: Errno

Value too large for defined data type

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pub const ENOTUNIQ: Errno

Name not unique on network

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pub const EBADFD: Errno

File descriptor in bad state

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pub const EREMCHG: Errno

Remote address changed

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pub const ELIBACC: Errno

Can not access a needed shared library

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pub const ELIBBAD: Errno

Accessing a corrupted shared library

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pub const ELIBSCN: Errno

.lib section in a.out corrupted

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pub const ELIBMAX: Errno

Attempting to link in too many shared libraries

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pub const ELIBEXEC: Errno

Cannot exec a shared library directly

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pub const EILSEQ: Errno

Illegal byte sequence

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pub const ERESTART: Errno

Interrupted system call should be restarted

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pub const ESTRPIPE: Errno

Streams pipe error

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pub const EUSERS: Errno

Too many users

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pub const ENOTSOCK: Errno

Socket operation on non-socket

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pub const EDESTADDRREQ: Errno

Destination address required

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pub const EMSGSIZE: Errno

Message too long

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pub const EPROTOTYPE: Errno

Protocol wrong type for socket

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pub const ENOPROTOOPT: Errno

Protocol not available

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pub const EPROTONOSUPPORT: Errno

Protocol not supported

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pub const ESOCKTNOSUPPORT: Errno

Socket type not supported

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pub const EOPNOTSUPP: Errno

Operation not supported on transport endpoint

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pub const EPFNOSUPPORT: Errno

Protocol family not supported

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pub const EAFNOSUPPORT: Errno

Address family not supported by protocol

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pub const EADDRINUSE: Errno

Address already in use

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pub const EADDRNOTAVAIL: Errno

Cannot assign requested address

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pub const ENETDOWN: Errno

Network is down

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pub const ENETUNREACH: Errno

Network is unreachable

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pub const ENETRESET: Errno

Network dropped connection because of reset

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pub const ECONNABORTED: Errno

Software caused connection abort

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pub const ECONNRESET: Errno

Connection reset by peer

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pub const ENOBUFS: Errno

No buffer space available

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pub const EISCONN: Errno

Transport endpoint is already connected

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pub const ENOTCONN: Errno

Transport endpoint is not connected

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pub const ESHUTDOWN: Errno

Cannot send after transport endpoint shutdown

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pub const ETOOMANYREFS: Errno

Too many references: cannot splice

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pub const ETIMEDOUT: Errno

Connection timed out

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pub const ECONNREFUSED: Errno

Connection refused

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pub const EHOSTDOWN: Errno

Host is down

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pub const EHOSTUNREACH: Errno

No route to host

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pub const EALREADY: Errno

Operation already in progress

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pub const EINPROGRESS: Errno

Operation now in progress

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pub const ESTALE: Errno

Stale file handle

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pub const EUCLEAN: Errno

Structure needs cleaning

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pub const ENOTNAM: Errno

Not a XENIX named type file

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pub const ENAVAIL: Errno

No XENIX semaphores available

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pub const EISNAM: Errno

Is a named type file

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pub const EREMOTEIO: Errno

Remote I/O error

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pub const EDQUOT: Errno

Quota exceeded

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pub const ENOMEDIUM: Errno

No medium found

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pub const EMEDIUMTYPE: Errno

Wrong medium type

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pub const ECANCELED: Errno

Operation Canceled

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pub const ENOKEY: Errno

Required key not available

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pub const EKEYEXPIRED: Errno

Key has expired

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pub const EKEYREVOKED: Errno

Key has been revoked

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pub const EKEYREJECTED: Errno

Key was rejected by service

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pub const EOWNERDEAD: Errno

Owner died

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pub const ENOTRECOVERABLE: Errno

State not recoverable

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pub const ERFKILL: Errno

Operation not possible due to RF-kill

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pub const EHWPOISON: Errno

Memory page has hardware error

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pub const ERESTARTSYS: Errno

Restart syscall

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pub const ERESTARTNOINTR: Errno

Restart if no interrupt

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pub const ERESTARTNOHAND: Errno

restart if no handler..

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pub const ENOIOCTLCMD: Errno

No ioctl command

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pub const ERESTART_RESTARTBLOCK: Errno

restart by calling sys_restart_syscall

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pub const EPROBE_DEFER: Errno

Driver requests probe retry

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pub const EOPENSTALE: Errno

open found a stale dentry

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pub const ENOPARAM: Errno

Parameter not supported

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pub const EBADHANDLE: Errno

Illegal NFS file handle

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pub const ENOTSYNC: Errno

Update synchronization mismatch

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pub const EBADCOOKIE: Errno

Cookie is stale

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pub const ENOTSUPP: Errno

Operation is not supported

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pub const ETOOSMALL: Errno

Buffer or request is too small

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pub const ESERVERFAULT: Errno

An untranslatable error occurred

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pub const EBADTYPE: Errno

Type not supported by server

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pub const EJUKEBOX: Errno

Request initiated, but will not complete before timeout

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pub const EIOCBQUEUED: Errno

iocb queued, will get completion event

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pub const ERECALLCONFLICT: Errno

conflict with recalled state

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pub const ENOGRACE: Errno

NFS file lock reclaim refused

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

Returns a pair containing the name of the error and a string describing the error.

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impl Errno

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pub const EWOULDBLOCK: Errno = Self::EAGAIN

Operation would block. This is the same as Errno::EAGAIN.

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pub const EDEADLOCK: Errno = Self::EDEADLK

Same as Errno::EDEADLK.

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pub fn new(num: i32) -> Errno

Creates a new Errno.

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pub fn into_raw(self) -> i32

Converts the Errno into a raw i32.

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pub fn is_valid(&self) -> bool

Returns true if the error code is valid (i.e., less than 4096).

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

Converts a raw syscall return value to a result.

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

Returns the name of the error. If the internal error code is unknown or invalid, None is returned.

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

Returns the error description. If the internal error code is unknown or invalid, None is returned.

Trait Implementations§

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impl Clone for Errno

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fn clone(&self) -> Errno

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for Errno

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impl Debug for Errno

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

Formats the value using the given formatter. Read more
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impl Display for Errno

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

Formats the value using the given formatter. Read more
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impl Eq for Errno

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impl From<Errno> for StarryError

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fn from(errno: Errno) -> Self

Converts to this type from the input type.
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impl Hash for Errno

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for Errno

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

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for Errno

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

Equality operator ==. Read more
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fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl PartialOrd for Errno

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

Auto Trait Implementations§

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impl Freeze for Errno

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impl RefUnwindSafe for Errno

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impl Send for Errno

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impl Sync for Errno

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impl Unpin for Errno

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impl UnsafeUnpin for Errno

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impl UnwindSafe for Errno

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<T> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<T> DmaPod for T
where T: Copy,

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSend for T
where T: Any + Send,

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fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_sync(self: Box<T>) -> Box<dyn Any + Send + Sync>

Converts Box<Trait> (where Trait: DowncastSync) to Box<dyn Any + Send + Sync>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync> ⓘ

Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pipe for T
where T: ?Sized,

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more
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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more
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fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more
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fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
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fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
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fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R, ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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impl<T> ProbeData for T
where T: Any + Send + Sync + Debug,

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fn as_any(&self) -> &(dyn Any + 'static)

Get a reference to the data as a dyn Any.
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more
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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more
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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more
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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.