Newsgroups: comp.parallel.mpi
From: rushobel@baracke.rus.uni-stuttgart.de (Holger Berger)
Reply-To: berger@rus.uni-stuttgart.de
Subject: Re: problem with C fork function
Organization: Comp.Center (RUS), U of Stuttgart, FRG
Date: 20 Mar 1998 15:56:42 GMT
Message-ID: <slrn6h547s.18l0.rushobel@baracke.rus.uni-stuttgart.de>

On Fri, 20 Mar 1998 14:26:24 +0100, Yves Pizzuto <Yves.Pizzuto@epfl.ch> wrote:
>Hi,
>
>(I work with mpCC compiler on a IBM-SP2 of 6 nodes)
>
>[Question]
>  I have a probleme with the C fork function.
>  Do you know if its possible of use this function with MPI or
>  if there are some restrictions ?
>

See section 2.6 (Processes) of the MPI standard.
I would read as:
	you are allowed to use threads
	you are allowed to fork, but not to use MPI calls in the
	child process.

Spawning of additional processes is defined with MPI 2.

Is this right? any comments?

-- 
Holger 'hobel' Berger  Holger.Berger@rus.uni-stuttgart.de
 http://baracke.rus.uni-stuttgart.de/~rushobel/hobel.html