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NAME | DESCRIPTION | SEE ALSO | COLOPHON |
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proc_tid_children(5) File Formats Manual proc_tid_children(5)
/proc/tid/children - child tasks
/proc/tid/children (since Linux 3.5)
A space-separated list of child tasks of this task. Each
child task is represented by its TID.
This option is intended for use by the checkpoint-restore
(CRIU) system, and reliably provides a list of children
only if all of the child processes are stopped or frozen.
It does not work properly if children of the target task
exit while the file is being read! Exiting children may
cause non-exiting children to be omitted from the list.
This makes this interface even more unreliable than
classic PID-based approaches if the inspected task and its
children aren't frozen, and most code should probably not
use this interface.
Until Linux 4.2, the presence of this file was governed by
the CONFIG_CHECKPOINT_RESTORE kernel configuration option.
Since Linux 4.2, it is governed by the
CONFIG_PROC_CHILDREN option.
proc(5)
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Linux man-pages 6.9.1 2024-05-02 proc_tid_children(5)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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