Github user srowen commented on the pull request:
https://github.com/apache/spark/pull/12418#issuecomment-212376795
@zsxwing I made a mistake in my description above. Actually the return
value determines whether timeout occurred. You are correct that really
`InterruptedException` only occurs when the thread is interrupted while
waiting, not on timeout. That still seems like something one might want to
catch, and JDK "await" methods throw this exception. These are the only await
methods I can see in the Java-specific API. I still think this is worth
merging, but really this is a complex API question.
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