[lkml]   [2006]   [Feb]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC][PATCH 01/20] pid: Intoduce the concept of a wid (wait id)
"Serge E. Hallyn" <> writes:

> Quoting Eric W. Biederman (
>> The wait id is the pid returned by wait. For tasks that span 2
>> namespaces (i.e. the process leaders of the pid namespaces) their
>> parent knows the task by a different PID value than the task knows
>> itself. Having a child with PID == 1 would be confusing.
> Is it possible here to have wid conflicts?
> Does that matter?
> Looking at sysvinit, it seems that it does. If the wid happens
> to conflict with the pid of one of the children init knows about,
> it could confuse init.

No. The wid is in the pspace of the parent, and the pid is in the processes
pspace. Add is in any pspace are unique.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-02-06 21:35    [W:0.130 / U:0.180 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site