cg2: Don't read cgroup.procs when deleting threaded cg #318
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Reading cgroup.procs seems to return ENOTSUPP when threaded, so check the type of the cg when going to delete and read the relevant file. Signed-off-by: Danny Canter <danny@dcantah.dev>
cpuguy83
reviewed
Jan 16, 2024
| if len(processes) > 0 { | ||
| return fmt.Errorf("cgroups: unable to remove path %q: still contains running processes", c.path) | ||
| if len(tasks) > 0 { | ||
| return fmt.Errorf("cgroups: unable to remove path %q: still contains running tasks", c.path) |
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Curious why we don't try to remove and check for EBSUY instead?
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I think, and this is for what was here today, it's mainly for a nice error so I tried to keep in line with what was here already. I suppose we could just immediately remove(c.path) (which tries to handle a reasonable amount of ebusy looping) although afterwards we'd still need to know what file to read to surface some decent error if the remove didn't go through.
dmcgowan
approved these changes
Jan 17, 2024
cpuguy83
approved these changes
Jan 17, 2024
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@dmcgowan This should be ready to check in, didn't realize I got two 😆 |
fuweid
approved these changes
Jan 24, 2024
This was referenced Dec 4, 2024
Merged
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Reading cgroup.procs seems to return ENOTSUPP when threaded, so check the type of the cg when going to delete and read the relevant file.