Nk compilation avoidance java upstream #1
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rsalvador
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Nov 6, 2023
… order.
1. `TestAttempt` events would wait for the `TargetCompleteEvent` to be posted before being posted.
2. There was an implicit requirement for the `TestAttempt` events to be posted in a specific order.
3. This didn't break in the noskymeld case because we fulfilled this ordering by using the order of performing the attempts themselves. The sequence would look like:
+ post `TargetCompleteEvent`
-> perform attempt #1
-> post `TestAttempt` #1
-> perform attempt bazelbuild#2
-> post `TestAttempt` bazelbuild#2
4. With skymeld, however, it could happen like this:
+ defer `TargetCompleteEvent` to wait for `CoverageActionFinishedEvent`
+ perform attempt #1 -> defer posting `TestAttempt` #1 & wait for `TargetCompleteEvent`
+ perform attempt bazelbuild#2 -> defer posting `TestAttempt` bazelbuild#2 & wait for `TargetCompleteEvent`
+ `CoverageActionFinishedEvent` -> release & post `TargetCompleteEvent`
+ `TargetCompleteEvent` -> release & post `TestAttempt` bazelbuild#2
+ `TargetCompleteEvent` -> release & post `TestAttempt` #1
Due to (2), the undefined ordering in (4) would cause an issue.
This CL fixes that by ensuring a FIFO ordering of the deferred events.
PiperOrigin-RevId: 572165337
Change-Id: Iac4d023d946865b8b81f15b119417192dc4b5c53
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