[Devel] Re: [patch -mm 1/5] mqueue namespace : add struct mq_namespace

[Cedric Le Goater]

> 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 ...

C.
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