Re: object management and IPC a bit more formal

[Niels Möller]

Ludovic Courtès <address@hidden> writes:

> Well, that does solve the problem of subsystem IDs allocation.  However,
> on 32-bit arches, there would be just a few bits (2, 3 or 4 according to
> Marcus' proposal) of thread IDs dedicated to subsystem IDs.  This leaves
> us with just a few subsystems.

Right, subsystem id:s are a very scarce resource. I don't expect a
random non-privileged user to be able to allocate a new id.

> Now, suppose we want each user to be able to choose whether he wants to
> create his own persistent environment (running several persistent tasks)
> or not: We may quickly need more than 8 subsystems.

Perhaps all the users could have a shared server responsible for pid
allocation (and nothing more)?

/Niels