Re: [MiNT] Fwd: Re: marathon,was:Egale

["Helmut Karlowski" <helmut.karlowski@ish.de>]

Jo Even Skarstein wrote:

> On Wed, 15 Feb 2012 00:55:41 +0100, Helmut Karlowski
> <helmut.karlowski@ish.de> wrote:
>
> >>  Am Mittwoch, den 15.02.2012, 00:15 +0100 schrieb Helmut Karlowski
> >>  <helmut.karlowski@ish.de>:
> >>
> >>
> >>>>  	  msg[1] = gl_apid;                           //  <-- HERE IT IS
> >>>
> >>> This must be the one of the caller!
> >>
> >>  One could say that the SLB IS the caller of the appl_write.
> >
> > Yes, but the status of the slb is STOP, and it's not an XaAES-client - I
> > don't know how this all works. I don't know why XaAES freezes after the
> > appl_init, maybe the slb should wait until it's completely initialized
> > by MiNT.
>
> Now, I haven't done any SLB programming for atleast 10 years, so I could
> get this all wrong. But AFAIK when an application calls a function in a
> SLB, the function is run in the context of the calling application. So if

In this case it must use the caller's apid etc.

> pid X calls a function in SLB Y which again calls appl_init(), pid X - not
> pid Y - becomes an AES client. Take a look at GEMMA, it does exactly this.

That ist not done in draconis, else the slb would not call appl_init.


-Helmut