Quoting Cedric Le Goater (clg@xxxxxxxxxx): > sukadev@xxxxxxxxxx wrote: > > Eric W. Biederman [ebiederm@xxxxxxxxxxxx] wrote: > > | sukadev@xxxxxxxxxx writes: > > | > > | > Cedric Le Goater [clg@xxxxxxxxxx] wrote: > > | > | > I think you and Eric (and I) are disagreeing about those limitations. > > | > | > You take it for granted that a sibling pidns is off limits for signals. > > | > | > But the signal wasn't sent using a pid, but using a file (in SIGIO > > | > | > case). So since the fs was shared, the signal should be sent. An > > | > | > event happened, and the receiver wants to know about it. > > | > | > > | > | seen that way I agree. > > | > | > > | > | si_code is set to SI_MESGQ, but what do we put in si_pid ? 0 ? > > | > | > > | > | we could use the si_errno to pass extra info, like the sending process > > | > | lives in a // world ... > > | > > > | > Does the receiver need to know that sender is in a // world ? > > probably not. it would mean that the user is container aware. bad idea. Remember we don't have to hide the fact that the user is in a container. Just enough to make it convenient, but not to the point of going out of our way to try and hide the fact for no other reason than to hide the fact. > > | What is a // world ? > > > > Parallel world/universe :-) > > > > I am assuming Cedric used that to refer to a sibling pid ns. > > yes :) > > Thanks ! > > C. _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers