On Wed, Mar 13, 2019 at 05:00:57AM +0000, Jonathon Kowalski wrote: > Hi, > > Thanks for the work on this system call! I am interested in making use of it > in my process supervisor. It works pretty well and avoids the long-standing > issue of PID reuse.
Thanks! The systemd folks have been quite excited about this too. > > One thing that instantly came to mind is to be able to delegate killing to > some third process depending on the confguration. However, I don't see that > permissions are attached to the open file description, but seemed to be > checked when calling pidfd_send_signal as they are with kill(2). Is there It came up during the discussion. We all preferred to have something simple and not introduce a new permission model. There's nothing necessarily blocking us from doing this in the future though. It's not off the table but out of scope for now. Thanks! Christian
