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Prevent segfaults: defer closing until all operations are done #612

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merged 1 commit into from
Apr 23, 2019

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Closes #32. Follow-up to #597.

I made sure to replicate a segfault (or a failed LevelDB assertion in the case of get()) for each operation before fixing it. That required repeating the tests a few thousand times with a forloop; I didn't keep that code because it would make CI runs too long. I wasn't able to replicate a segfault for approximateSize() but I'm confident enough in the basic mechanism to let that slide. Lastly, compactRange() did not segfault either but it did hang, so that's fixed now too.

@vweevers vweevers added segfault semver-patch Bug fixes that are backward compatible labels Apr 23, 2019
@vweevers vweevers requested a review from peakji April 23, 2019 15:09
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@vweevers vweevers merged commit 5336729 into master Apr 23, 2019
@vweevers vweevers deleted the priority-worker branch April 23, 2019 17:48
})

// Test multiple pending operations, using all of the above.
testPending('operations', operations.length, function (db, next) {
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Badass!

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Don't process close() until current in-flight async ops are complete
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