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A standalone example for how to use Cushy and Tokio today

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Cushy + Tokio Example

This repository is a temporary example that shows the currently recommended way to integrate Tokio and Cushy.

Cushy uses winit for its windowing and event loop handling. On the platforms Cushy currently supports, winit takes over the main thread when executing. This can cause problems with code like this:

#[tokio::main]
async fn main() {
    tokio::spawn(/* do something */);

    // Run a Cushy app
    "Hello World".run().unwrap();
}

This is problematic because the spawn call may place that task on the current thread's work queue, and once winit takes over the thread, the spawned task will never be yielded to.

This example shows how to reliablly execute Cushy with a Tokio runtime, ensuring tasks can be spawned from any Cushy code.

Long Term Solution

Cushy will add a mechanism to easily enable tokio or be able to prepare each Cushy thread to support any executor. See khonsulabs/cushy#147 to see progress updates.

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A standalone example for how to use Cushy and Tokio today

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