From octave-maintainers-request at bevo dot che dot wisc dot edu Thu Nov 21 11:35:58 2002
Subject: Re: Patching Octave-MPI
From: JD Cole <jdcole at san dot rr dot com>
To: octave-maintainers at bevo dot che dot wisc dot edu
Date: Thu, 21 Nov 2002 09:46:27 -0800

>
>
>>
> I just created mpi_init.oct and mpi_finalize.oct, under LAM, mpi_init 
> seems to initialize fine, however when I call the second function, 
> mpi_finalize, I get a failure message telling me that a function has 
> been called without a call to MPI_Init. This result is consistent with 
> what Andy described above, however, in the LAM man page for MPI_Init 
> it reads:
>
> MPI mandates that the same thread must call MPI_Init or 
> MPI_Init_thread and MPI_Finalize
>
> This leads me to the question: Do all octave DLD functions execute in 
> the same thread?
>
> JD

By the way, I tried NULL arguments in addition to faking it, i.e. argc=1 
argv[0]="octave", both successfully inited, but neither effected the 
mpi_finalize result.
JD