pub enum SignalDefault {
    Terminate,
    Ignore,
    Core,
    Stop,
    Cont,
}
Expand description

没有显式指定处理函数时的默认行为

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Terminate

终止进程

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Ignore

忽略信号

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Core

终止进程并转储核心,即程序当时的内存状态记录下来,保存在一个文件中,但当前未实现保存,直接退出进程

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Stop

暂停进程执行

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Cont

恢复进程执行

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impl SignalDefault

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pub fn get_action(signal: SignalNo) -> Self

Get the default action of a signal

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impl<T> Any for T
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fn type_id(&self) -> TypeId

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

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Returns the argument unchanged.

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impl<T, U> Into<U> for T
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fn into(self) -> U

Calls U::from(self).

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impl<T, U> TryFrom<U> for T
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type Error = Infallible

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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.