Fix for deadlocks in a-rex. BUGZ-3776
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This merge request is automatically copied from !527 (merged) orginally made by @aleksandr.konstantinov
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Deadlocks is avoided by applying simplified locks for job queues.
Begin arcbot message
This merge request is automatically copied from !527 (merged) orginally made by @aleksandr.konstantinov
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Deadlocks is avoided by applying simplified locks for job queues.