Close processes in Work Queue and Task Vine shutdown #3576
Merged
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This releases 2 file descriptors with work queue (from 21 to 19 at the end of CI Work Queue test) and 4 file descriptors with Task Vine (from 19 to 15 at the end of CI Task Vine test)
This is part of work being merged from draft PR #3397 to shut down components more cleanly, rather than relying on process exit.
Changed Behaviour
hopefully cleaner shutdown, especially when using multiple DFKs in one process
Type of change