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Impl Send and Sync for Controller. #8

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Impl Send and Sync for Controller. #8

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10 changes: 10 additions & 0 deletions src/controller/controller.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,16 @@ pub struct Controller {
c_struct: ws2811_t,
}

/// It is safe to implement `Send` because `Controller` is the sole
/// owner of its internal `ws2811_t` object and the pointers it
/// contains, and those pointers are never exposed by this module's
/// API. Therefore, there is no risk of pointer aliasing.
unsafe impl Send for Controller {}

/// It is safe to implement `Sync` because the underlying `ws2811_t`
/// struct does not make use of any interior mutability.
unsafe impl Sync for Controller {}

impl Controller {
/// Creates a new Controller
///
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