Re: [RFC][PATCH 01/20] pid: Intoduce the concept of a wid (wait id)

Quoting Eric W. Biederman ([email protected]):
> 
> 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.

-serge
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Follow-Ups:
- Re: [RFC][PATCH 01/20] pid: Intoduce the concept of a wid (wait id)
  - From: [email protected] (Eric W. Biederman)

References:
- [RFC][PATCH 0/20] Multiple instances of the process id namespace
  - From: [email protected] (Eric W. Biederman)
- [RFC][PATCH 01/20] pid: Intoduce the concept of a wid (wait id)
  - From: [email protected] (Eric W. Biederman)

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