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stage1/fly: record pgid and let stop fallback to it #3523
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This introduces an additional "pgid" file, specific to stage1-fly implementation, to record the process group of the pod. It is used by stop as a fallback mechanism if the pod-leader process is gone but some daemonized children still exist, leaving the pod in an unkillable status.
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This introduces an additional "pgid" file, specific to stage1-fly
implementation, to record the process group of the pod.
It is used by stop as a fallback mechanism if the pod-leader process
is gone but some daemonized children still exist, leaving the pod
in an unkillable status.
Fixes #3295