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Kernel: Add /proc/{pid}/children to ProcFS

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This exposes the child processes for a process as a directory
of symlinks to the respective /proc entries for each child.

This makes for an easier and possibly more efficient way
to find and count a process's children. Previously the only
method was to parse the entire /proc/all JSON file.
This commit is contained in:
MacDue 2022-05-04 16:22:18 +01:00 • committed by Ali Mohammad Pur
parent 222079cd80
commit d951e2ca97
7 changed files with 73 additions and 0 deletions
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3
Kernel/ProcessExposed.h
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@ -36,6 +36,7 @@ enum class ProcessSubDirectory {
Reserved = 0,
OpenFileDescriptions = 1,
Stacks = 2,
Children = 3
};
void read_segments(u32& primary, ProcessSubDirectory& sub_directory, MainProcessProperty& property);
@ -45,6 +46,8 @@ InodeIndex build_segmented_index_for_main_property(ProcessID, ProcessSubDirector
InodeIndex build_segmented_index_for_main_property_in_pid_directory(ProcessID, MainProcessProperty property);
InodeIndex build_segmented_index_for_thread_stack(ProcessID, ThreadID);
InodeIndex build_segmented_index_for_file_description(ProcessID, unsigned);
InodeIndex build_segmented_index_for_children(ProcessID, ProcessID);
}
class ProcFSComponentRegistry {