xwrust::xwos::sync::sel

Enum SelError

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pub enum SelError {
    Ok(XwEr),
    NotInit(XwEr),
    Interrupt(XwEr),
    Timedout(XwEr),
    NoSignal(XwEr),
    NotThreadContext(XwEr),
    OutOfSelPos(XwEr),
    AlreadyBound(XwEr),
    SelPosBusy(XwEr),
    Unknown(XwEr),
}
Expand description

信号选择器的错误码

Variants§

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Ok(XwEr)

没有错误

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NotInit(XwEr)

信号选择器没有初始化

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Interrupt(XwEr)

等待被中断

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Timedout(XwEr)

等待超时

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NoSignal(XwEr)

没有检测到 选择信号

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NotThreadContext(XwEr)

不在线程上下文内

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OutOfSelPos(XwEr)

信号选择器的位置超出范围

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AlreadyBound(XwEr)

信号选择器已经绑定

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SelPosBusy(XwEr)

信号选择器的位置被占用

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Unknown(XwEr)

未知错误

Implementations§

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impl SelError

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pub fn unwrap(self) -> XwEr

消费掉 SelError 自身，返回内部的错误码。

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pub const fn is_ok(&self) -> bool

如果错误码是 SelError::Ok ，返回 true 。

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pub const fn is_err(&self) -> bool

如果错误码不是 SelError::Ok ，返回 true 。

Trait Implementations§

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impl Debug for SelError

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl Freeze for SelError

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impl RefUnwindSafe for SelError

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impl Send for SelError

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impl Sync for SelError

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impl Unpin for SelError

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impl UnwindSafe for SelError

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<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, 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.