xwrust::xwos::sync::sem

Enum SemError

pub enum SemError {
Show 15 variants
    Ok(XwEr),
    NotInit(XwEr),
    AlreadyFrozen(XwEr),
    AlreadyThawed(XwEr),
    Interrupt(XwEr),
    Timedout(XwEr),
    NotThreadContext(XwEr),
    DisPmpt(XwEr),
    DisBh(XwEr),
    DisIrq(XwEr),
    NoData(XwEr),
    OutOfSelPos(XwEr),
    AlreadyBound(XwEr),
    SelPosBusy(XwEr),
    Unknown(XwEr),
}

Expand description

信号量的错误码

Variants§

Ok(XwEr)

没有错误

NotInit(XwEr)

信号量没有初始化

AlreadyFrozen(XwEr)

信号量已被冻结

AlreadyThawed(XwEr)

信号量已解冻

Interrupt(XwEr)

等待被中断

Timedout(XwEr)

等待超时

NotThreadContext(XwEr)

不在线程上下文内

DisPmpt(XwEr)

抢占被关闭

DisBh(XwEr)

中断底半部被关闭

DisIrq(XwEr)

中断被关闭

NoData(XwEr)

信号量不可用

OutOfSelPos(XwEr)

信号选择器的位置超出范围

AlreadyBound(XwEr)

信号量已经绑定

SelPosBusy(XwEr)

信号选择器的位置被占用

Unknown(XwEr)

未知错误

Implementations§

impl SemError

pub fn unwrap(self) -> XwEr

消费掉 SemError 自身，返回内部的错误码。

pub const fn is_ok(&self) -> bool

如果信号量的错误码是 SemError::Ok ，返回 true 。

pub const fn is_err(&self) -> bool

如果信号量的错误码不是 SemError::Ok ，返回 true 。

Trait Implementations§

impl Debug for SemError

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for SemError

impl RefUnwindSafe for SemError

impl Send for SemError

impl Sync for SemError

impl Unpin for SemError

impl UnwindSafe for SemError

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.