From mboxrd@z Thu Jan  1 00:00:00 1970
From: sukadev-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org
Subject: Re: [patch -mm 1/5] mqueue namespace : add struct mq_namespace
Date: Wed, 3 Oct 2007 09:56:44 -0700
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To: Cedric Le Goater <clg-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>, "Denis V. Lunev" <den-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
List-Id: containers.vger.kernel.org

Cedric Le Goater [clg-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org] 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 ? 

| 
| C.