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Merge pull request #301 from urbit/stable-arvo-word

Stable arvo: a word

commit8c0cb19ed81b9b143b2e8869c7a3dde48000f1cf authorMatilde Park <matilde@tlon.io> dateWed 20 Nov 2019, 18:45 (7 years ago) parent9ba7a703e4d800
1 file changed+1−1
content/blog/stable-arvo.md+1−1
content/blog/stable-arvo.md+1−1
@@ -55,7 +55,7 @@ Deterministic errors are currently handled within the virtual interpreter, Mock,
5555An obvious case of causally-connected events is a timer; any code that sets a timer eventually suspends itself, waiting to be awoken. And yet, if the subsequent timer event were to crash, the state machine awaiting it would remain suspended, expecting a transition that can and will not
5656occur.
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58−We believe that we have a general scheme that accounts for both classes of error. We’ve formalized this and will use going forward to avoid falling into inconsistent states.
58+We believe that we have a general scheme that accounts for both classes of error. We’ve formalized this and will use it going forward to avoid falling into inconsistent states.
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6060Our solution to this problem is simple: if Arvo or one of its vanes crashes while processing an event, the fact of the failed event itself becomes a new event. The runtime injects an error notification in the event log, named, as is befitting of a failed event: %crud.
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