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Final state is the state that ps tree will have after its dump or restore.
Final state is the state that ps tree will have after its dump or restore.
# 'Dead' (ps tree is destroyed using SIGKILL)
# 'Dead' (ps tree is destroyed using SIGKILL)
= CLI options for changing of process tree final state =
== CLI options for changing of process tree final state ==
You can use --leave-stopped option with CRIU dump/restore commands to set process tree final state to 'Stopped'.
You can use --leave-stopped option with CRIU dump/restore commands to set process tree final state to 'Stopped'.
Use --leave-running option to set final state to 'Running'.
Use --leave-running option to set final state to 'Running'.
= Process tree final state after CRIU dump command =
== Process tree final state after CRIU dump command ==
By default final state of process tree after dump is 'Dead'.
By default final state of process tree after dump is 'Dead'.
--leave-running options have on effect on it.
--leave-running options have on effect on it.
= Process tree final state after CRIU restore command =
== Process tree final state after CRIU restore command ==
By default final state of process tree after restore is 'Running'. That's because you usually
By default final state of process tree after restore is 'Running'. That's because you usually
want to immediately start execution of process tree after its restore. You can use --leave-stopped
want to immediately start execution of process tree after its restore. You can use --leave-stopped
option to restore process tree in 'Stopped' state.
option to restore process tree in 'Stopped' state.
= Moving process tree from 'Stopped' state to 'Running' =
== Moving process tree from 'Stopped' state to 'Running' ==
After criu has dumped/restored process tree in 'Stopped' state we sometimes need to continue
After criu has dumped/restored process tree in 'Stopped' state we sometimes need to continue
its execution putting process tree into 'Running' state. For this purpose use this [https://github.com/xemul/criu-scripts/blob/master/pstree_cont.py script]. It has only single argument - PID of process tree root.
its execution putting process tree into 'Running' state. For this purpose use this [https://github.com/xemul/criu-scripts/blob/master/pstree_cont.py script]. It has only single argument - PID of process tree root.
[[Category: Under the hood]]
[[Category: Under the hood]]