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//! Detect a "ctrl-c" notification or other reason to exit.
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use crate::Result;

            

        

            

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/// Wait until a control-c notification is received, using an appropriate

            

        

            

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/// runtime mechanism.

            

        

            

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///

            

        

            

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/// This function can have pretty kludgy side-effects: see

            

        

            

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/// documentation for `tokio::signal::ctrl_c` and `async_ctrlc` for

            

        

            

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/// caveats.  Notably, you can only call this once with async_std.

            

        

            

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#[cfg_attr(feature = "experimental-api", visibility::make(pub))]

            

        

            

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pub(crate) async fn wait_for_ctrl_c() -> Result<()> {

            

        

            

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    #[cfg(feature = "tokio")]

            

        

            

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    {

            

        

            

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        tokio_crate::signal::ctrl_c().await?;

            

        

            

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    }

            

        

            

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    #[cfg(all(feature = "async-std", not(feature = "tokio")))]

            

        

            

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    {

            

        

            

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        async_ctrlc::CtrlC::new().unwrap().await;

            

        

            

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    }

            

        

            

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    Ok(())

            

        

            

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}