Prevent IOError occurrences in the logger thread

[vinistock]

When we're shutting down the add-on, we first send a shutdown notification to the runtime server. That will make the process quit, which closes all of the standard pipes from one end.

When that happens, if the logger thread tries to execute the @stderr.gets call, it will fail with an IOError because the pipe was closed by the other end.

That doesn't actually represent any errors, since we're already shutting down the server. Let's rescue that error so that we don't keep printing unnecessary errors to the output tab.

[vinistock]

• Prevent IOError occurrences in the logger thread #554 👈 (View in Graphite)
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