Re: gnumach RPC: get info about the calling task

[Joan Lledó]

OK, I'll try with your design

El 16/10/21 a les 18:06, Sergey Bugaev ha escrit:
> On Sat, Oct 16, 2021 at 6:54 PM Samuel Thibault <samuel.thibault@gnu.org> wrote:
> > Indeed, since it's the region that remembers which protection was
> > allowed, we need a proxy there to enforce them.
>
> Right, that's also a good point. max_proection can be less than 7 even
> if there never was a proxy. That is, one can do
>
> vm_map (some_other_task, memobj, VM_PROT_READ, VM_PROT_READ);
>
> and expect some_other_task to never get write access to the object.
>
> Sergey