Exiting with a non-zero status is considered as indicating a failure that needs
reporting.
On Sep 3, 2014, at 1:48 PM, Nico Schlömer <nico.schloe...@gmail.com> wrote:
> Hi all,
>
> with OpenMPI 1.6.5 (default Debian/Ubuntu), I'm running the program
>
> ```
> #include <cstdlib>
> #include <mpi.h>
>
> int main( int argc, char* argv[] )
> {
> MPI_Init (&argc, &argv);
> MPI_Finalize();
> return EXIT_FAILURE;
> }
> ```
> that unconditionally returns an error flag. When executing this, I'm
> somewhat surprised to get
> ```
> --------------------------------------------------------------------------
> mpiexec noticed that the job aborted, but has no info as to the process
> that caused that situation.
> --------------------------------------------------------------------------
> ```
> no matter with how many processes I run this. Returning EXIT_FAILURE
> seems harmless enough.
> Needless to say, this does not happen for EXIT_SUCCESS, or in serial
> execution (without mpiexec).
>
> Is this expected behavior? Has this changed in later versions of OpenMPI?
>
> Cheers,
> Nico
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> Link to this post:
> http://www.open-mpi.org/community/lists/users/2014/09/25251.php
