Race condition in startup logic

[joonas-fi]

These things happen in chronological order:

1. Processors are started
   • incomingProcessor() and outgoingProcessor() are started as goroutines (which stop if znp.started == false)
2. znp.started = true

The logic works because I guess, starting goroutines usually runs a bit later than the code following the goroutine launch. This is / should be an implementation detail of Go's runtime and should not be relied on. Who knows if on a slower processor or busier system these are executed in different order.