Messages in this thread | | | From | Pedro Alves <> | Subject | Re: [rfc 2/3] fs, proc: Introduce the Children: line in /proc/<pid>/status | Date | Fri, 2 Dec 2011 12:58:03 +0000 |
| |
On Friday 02 December 2011 12:43:10, Pavel Emelyanov wrote:
> >> Yes, I like /children file. other points seems to be pointed out by other > >> reviewers. > > > > Any reason this is a file instead of a directory like /proc/PID/task/ ? > > > > $ sudo ls /proc/8167/task/ > > 8167 854 855 856 857 858 859 > > $ sudo ls /proc/8167/task/855/ > > attr clear_refs cpuset exe io loginuid mountinfo oom_adj pagemap sched smaps statm wchan > > auxv cmdline cwd fd latency maps mounts oom_score personality schedstat stack status > > cgroup comm environ fdinfo limits mem numa_maps oom_score_adj root sessionid stat syscall > > > > Much easier to follow the chain from the command line this way. > > What do you propose to put into these directories? Another directories named with > children pid-s?
Yes, just like the task/ dir gives you directories named with the processes's thread ids. Opening /proc/PID/children/PID-CHILD1/ would get you the same as opening /proc/PID-CHILD1/. Just like opening /proc/PID/task/PID-CHILD1/ gets you (almost) the same as opening /proc/PID-CHILD1/.
-- Pedro Alves
| |