Linux cli command proc_tid_children

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command proc_tid_children and provides detailed information about the command proc_tid_children, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the proc_tid_children.

  less than a minute  

NAME 🖥️ proc_tid_children 🖥️

child tasks

DESCRIPTION

/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.

SEE ALSO

proc(5)

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