[PATCH v2 2/2] ioctl console test v2

[Eugene Syromiatnikov]

On Tue, Mar 17, 2020 at 09:52:48PM +0530, Bran S wrote:
> On Mon, 16 Mar 2020 at 15:56, Eugene Syromiatnikov <esyr at redhat.com> wrote:
> >
> > On Mon, Mar 16, 2020 at 03:37:07PM +0530, Bran S wrote:
> > > There can be any number of subreapers right ?
> >
> > In a system? Yes, but the processes are re-parented to the closest one
> > up in the process tree hierarchy, so the subreaper a process
> > is to be re-parented to is pretty much determined.
> >
> 
> So we follow the hierarchy upwards and for each pid we check if it is
> a subreaper if yes then the ppid should match to it.
> Is that correct ? If not please point me in the direction so as to
> find the subreaper's process id.

Well, I can only repeat the Dmitry's suggestion[1] to check out
the documentation for the respective prctl(2) options.

[1] https://lists.strace.io/pipermail/strace-devel/2020-March/009500.html