[SCore-users-jp] Re: [SCore-users] MPI and PM at the same time

[Bogdan Costescu]

On Fri, 18 Oct 2002, Atsushi HORI wrote:

> Thus you do not have to mind this. The macro is a declaration (of a 
> global static variable), not a function call. And can be placed 
> anywhere in your program.

Thank you and Kameyama ! I arrived to the same conclusion before your 
message, but after about half a day of tracing score_initialize() because 
I thought that I need to replicate some functionality from there. Well, 
it's *very* convenient to use this macro and that was the answer that I 
was looking for the entire week; congratulation to whoever designed it 
this way !

> 1. Any user programs are not wllowed to open or create a new PM 
> contexts.
> 2. All user programs can do is attach context(s) to a given file 
> descriptor(s).
> 3. PM's context is not a point-to-point communication.

It would have been wonderful to have these statements in the docs 
somewhere. Would it be possible to have some kind of "Developing with PM 
tips and tricks" document in the future ?

> You have to pay attention to the PM documents. Some functions are 
> privileged and can be used only by SCore-D.

The functions were tagged "SYSTEM" and "USER". But there was no 
explanation of what "SYSTEM" and "USER" mean: kernel space versus user 
space, SCoreD versus anything else above it, libraries in general versus 
some user application ? I don't want to be harsh, but such wonderful piece 
of software as SCore/PM deserves a better documentation :-)

> And your program should be written as the following;

Thank you for the suggestions ! Everything works now !

-- 
Bogdan Costescu

IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen
Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY
Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868
E-mail: Bogdan.Costescu ＠ IWR.Uni-Heidelberg.De


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