krata: reorganize crates

crates/xen/xenevtchn/examples/simple.rs

@@ -0,0 +1,12 @@
+use xenevtchn::error::Result;
+use xenevtchn::EventChannel;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    let channel = EventChannel::open().await?;
+    println!("channel opened");
+    let port = channel.bind_unbound_port(0).await?;
+    println!("port: {}", port);
+    channel.unbind(port).await?;
+    Ok(())
+}