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ci: give the container an init that reaps orphans - #4
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Problem
In a job container PID 1 never reaps orphans, so a daemon a test stops stays a zombie whose PID and start time still look alive. maul-window and maul-audio each worked around it in their fixtures.
Change
cpp.yml runs its container with
--init, so docker's init is PID 1 and reaps orphans.Verification
A temporary probe job in the image (run 40045231167) printed
docker-initfor/proc/1/comm, started an orphan, killed it, and found it gone. The probe was removed before merge.