Enum kernel::ReturnCode

pub enum ReturnCode {
    SuccessWithValue {
        value: usize,
    },
    SUCCESS,
    FAIL,
    EBUSY,
    EALREADY,
    EOFF,
    ERESERVE,
    EINVAL,
    ESIZE,
    ECANCEL,
    ENOMEM,
    ENOSUPPORT,
    ENODEVICE,
    EUNINSTALLED,
    ENOACK,
}

Standard return errors in Tock.

Variants

SuccessWithValue

Success value must be positive

Fields of SuccessWithValue

value: usize

SUCCESS

Operation completed successfully

FAIL

Generic failure condition

EBUSY

Underlying system is busy; retry

EALREADY

The state requested is already set

EOFF

The component is powered down

ERESERVE

Reservation required before use

EINVAL

An invalid parameter was passed

ESIZE

Parameter passed was too large

ECANCEL

Operation canceled by a call

ENOMEM

Memory required not available

ENOSUPPORT

Operation or command is unsupported

ENODEVICE

Device does not exist

EUNINSTALLED

Device is not physically installed

ENOACK

Packet transmission not acknowledged

Trait Implementations

impl Debug for ReturnCode

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

Formats the value using the given formatter.

impl From<Error> for ReturnCode

fn from(err: Error) -> ReturnCode

Performs the conversion.

impl From<ReturnCode> for isize

fn from(original: ReturnCode) -> isize

Performs the conversion.

impl From<ReturnCode> for usize

fn from(original: ReturnCode) -> usize

Performs the conversion.

impl PartialEq<ReturnCode> for ReturnCode

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Copy for ReturnCode

impl Clone for ReturnCode

fn clone(&self) -> ReturnCode

Returns a copy of the value.

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

Performs copy-assignment from source.