Struct cpython::GILProtected

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pub struct GILProtected<T> { /* private fields */ }
Expand description

Mutex-like wrapper object for data that is protected by the Python GIL.

§Example

use std::cell::Cell;
use cpython::{Python, GILProtected};

let data = GILProtected::new(Cell::new(0));

{
    let gil_guard = Python::acquire_gil();
    let cell = data.get(gil_guard.python());
    cell.set(cell.get() + 1);
}

Implementations§

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impl<T> GILProtected<T>

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pub const fn new(data: T) -> GILProtected<T>

Creates a new instance of GILProtected.

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pub fn get<'a>(&'a self, _py: Python<'a>) -> &'a T

Returns a shared reference to the data stored in the GILProtected.

Requires a Python instance as proof that the GIL is acquired.

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pub fn into_inner(self) -> T

Consumes the GILProtected, returning the wrapped value.

Trait Implementations§

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impl<T: Send> Send for GILProtected<T>

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impl<T: Send> Sync for GILProtected<T>

Because GILProtected ensures that the contained data is only accessed while the GIL is acquired, it can implement Sync even if the contained data does not.

Auto Trait Implementations§

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impl<T> Freeze for GILProtected<T>
where T: Freeze,

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impl<T> RefUnwindSafe for GILProtected<T>
where T: RefUnwindSafe,

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impl<T> Unpin for GILProtected<T>
where T: Unpin,

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impl<T> UnwindSafe for GILProtected<T>
where T: UnwindSafe,

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.