On Tue, Aug 27, 2013 at 7:40 AM, Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
> /proc/self points to /proc/<tgid>, not to /proc/<tid>, and thus
> "self" actually means "group leader".
>
> Change fs/proc/self.c to print the caller's tid, this is probably
> what the users actually expect.
Yeah, thinking more about this, this can't work. I think you'd need to
use "/proc/<tgid>/task/<tid>" wouldn't you?
Or perhaps even more complicated, and say "if it's a task group
leader, keep the old /proc/<tgid>, otherwise do the full thread path".
Anyway, does not not sound worth it. Your previous simple patch is
probably the right thing to do.
Linus
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