worker/undertaker: avoid double channel close in tests #4090
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A recent test change made during the undertaker's catacomb conversion introduced the possibility of a double channel close which seems to happen quite often under Go 1.5. This is now fixed using sync.Once to ensure that channel is only closed once.
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Status: merge request accepted. Url: http://juju-ci.vapour.ws:8080/job/github-merge-juju |
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worker/undertaker: avoid double channel close in tests A recent test change made during the undertaker's catacomb conversion introduced the possibility of a double channel close which seems to happen quite often under Go 1.5. This is now fixed using sync.Once to ensure that channel is only closed once. (Review request: http://reviews.vapour.ws/r/3511/)
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A recent test change made during the undertaker's catacomb conversion introduced the possibility of a double channel close which seems to happen quite often under Go 1.5. This is now fixed using sync.Once to ensure that channel is only closed once.
(Review request: http://reviews.vapour.ws/r/3511/)