[LTP] [PATCH v1] clone3: Add clone3's clone_args cgroup

[Wei Gao]

On Thu, Mar 23, 2023 at 10:26:55AM +0100, Petr Vorel wrote:
> Hi Wei,
> 
> Do you plan to use this somewhere? Otherwise I don't see the point to just
> add it.
Sorry i need add another commit above this and start using new added args, will
create test case later, maybe you can put ChangRequest firstly, thanks.
> 
> Kind regards,
> Petr
> 
> > Signed-off-by: Wei Gao <wegao@suse.com>
> > ---
> >  include/lapi/sched.h | 3 +++
> >  include/tst_clone.h  | 1 +
> >  lib/tst_clone.c      | 1 +
> >  3 files changed, 5 insertions(+)
> 
> > diff --git a/include/lapi/sched.h b/include/lapi/sched.h
> > index 1065665d1..3ad16d136 100644
> > --- a/include/lapi/sched.h
> > +++ b/include/lapi/sched.h
> > @@ -54,6 +54,9 @@ struct clone_args {
> >  	uint64_t __attribute__((aligned(8))) stack;
> >  	uint64_t __attribute__((aligned(8))) stack_size;
> >  	uint64_t __attribute__((aligned(8))) tls;
> > +	uint64_t __attribute__((aligned(8))) set_tid;
> > +	uint64_t __attribute__((aligned(8))) set_tid_size;
> > +	uint64_t __attribute__((aligned(8))) cgroup;
> >  };
> 
> >  static inline int clone3(struct clone_args *args, size_t size)
> > diff --git a/include/tst_clone.h b/include/tst_clone.h
> > index 9ffdc68d1..7b278dfa7 100644
> > --- a/include/tst_clone.h
> > +++ b/include/tst_clone.h
> > @@ -11,6 +11,7 @@
> >  struct tst_clone_args {
> >  	uint64_t flags;
> >  	uint64_t exit_signal;
> > +	uint64_t cgroup;
> >  };
> 
> >  /* clone3 with fallbacks to clone when possible. Be aware that it
> > diff --git a/lib/tst_clone.c b/lib/tst_clone.c
> > index ecc84408c..2aa00beb1 100644
> > --- a/lib/tst_clone.c
> > +++ b/lib/tst_clone.c
> > @@ -15,6 +15,7 @@ pid_t tst_clone(const struct tst_clone_args *tst_args)
> >  	struct clone_args args = {
> >  		.flags = tst_args->flags,
> >  		.exit_signal = tst_args->exit_signal,
> > +		.cgroup = tst_args->cgroup,
> >  	};
> >  	int flags;
> >  	pid_t pid = -1;