On Wed, Apr 17, 2019 at 03:16:03PM +0200, Oleg Nesterov wrote: > On 04/17, Christian Brauner wrote: > > > > On Mon, Apr 08, 2019 at 03:13:16PM +0200, Oleg Nesterov wrote: > > > > > > but perhaps it should always fail, even if task_pid(current) == pid. > > > > > > sys_rt_sigqueueinfo() allows to send any siginfo to yourself, but this is > > > only needed > > > for checkpoint/restart. > > > > Yes, that's why this was added. I would leave it in exactly because of > > checkpoint/restart. > > I don't understand... > > c/r doesn't need this "feature" in pidfd_send_signal(), so it can be removed. > But,
Just out of curiosity: in what sense? They don't need it since they have other ways of doing this or they *can't* use it for some other reason I'm not seeing? Christian
