forked from M-Labs/artiq-zynq
comms: add comment about closed connection handling
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@ -111,7 +111,9 @@ async fn handle_connection(stream: &TcpStream, control: Rc<RefCell<kernel::Contr
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Ok(true) => {}
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Ok(false) =>
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return Err(Error::UnexpectedPattern),
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// peer has closed the connection
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// Peer has closed the connection.
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// Closing here is a normal condition so do not reported an error.
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// An error is still reported if the connection is unexpectedly closed elsewhere.
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Err(smoltcp::Error::Illegal) =>
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return Ok(()),
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Err(e) =>
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