UContextT

os::uapi::signal

Struct UContextT 

Source 
#[repr(C)]
pub struct UContextT {
    pub uc_flags: c_ulong,
    pub uc_link: *mut UContextT,
    pub uc_stack: SignalStack,
    pub uc_sigmask: u64,
    pub uc_mcontext: MContextT,
}
Expand description

用户态信号处理上下文结构体 该结构体包含恢复进程执行所需的所有状态。

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§uc_flags: c_ulong

标志位

§uc_link: *mut UContextT

链接到下一个上下文

§uc_stack: SignalStack

信号栈信息

§uc_sigmask: u64

信号掩码

§uc_mcontext: MContextT

机器上下文

Implementations§

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impl UContextT

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pub fn default() -> Self

创建一个新的 UContextT 实例，所有字段初始化为零或默认值。

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pub fn new( flags: c_ulong, link: *mut UContextT, stack: SignalStack, sigmask: u64, mcontext: MContextT, ) -> Self

创建一个新的 UContextT 实例，使用指定的字段值。

§参数:
  • flags: 上下文标志
  • link: 指向下一个上下文的指针
  • stack: 信号栈信息
  • sigmask: 信号掩码
  • mcontext: 机器上下文
§返回值: 新的 UContextT 实例

Trait Implementations§

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impl Clone for UContextT

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fn clone(&self) -> UContextT

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 Debug for UContextT

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

Formats the value using the given formatter. Read more
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impl Copy for UContextT

Auto Trait Implementations§

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impl Freeze for UContextT

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impl RefUnwindSafe for UContextT

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impl !Send for UContextT

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impl !Sync for UContextT

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impl Unpin for UContextT

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impl UnwindSafe for UContextT

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> 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<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> 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, 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.