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openmpi/ompi/mpi/c/get_version.c
Josh Hursey dadca7da88 Merging in the jjhursey-ft-cr-stable branch (r13912 : HEAD).
This merge adds Checkpoint/Restart support to Open MPI. The initial
frameworks and components support a LAM/MPI-like implementation.

This commit follows the risk assessment presented to the Open MPI core
development group on Feb. 22, 2007.

This commit closes trac:158

More details to follow.

This commit was SVN r14051.

The following SVN revisions from the original message are invalid or
inconsistent and therefore were not cross-referenced:
  r13912

The following Trac tickets were found above:
  Ticket 158 --> https://svn.open-mpi.org/trac/ompi/ticket/158
2007-03-16 23:11:45 +00:00

71 строка
2.3 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Get_version = PMPI_Get_version
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Get_version";
int MPI_Get_version(int *version, int *subversion)
{
MPI_Comm null = NULL;
OPAL_CR_TEST_CHECKPOINT_READY();
if (MPI_PARAM_CHECK) {
/* Per MPI-2:3.1, this function can be invoked before
MPI_INIT, so we don't invoke the normal
MPI_ERR_INIT_FINALIZE() macro here */
if (NULL == version || NULL == subversion) {
/* Note that we have to check and see if we have
previously called MPI_INIT or not. If so, use the
normal OMPI_ERRHANDLER_INVOKE, because the user may
have changed the default errhandler on MPI_COMM_WORLD.
If we have not invoked MPI_INIT, then just abort
(i.e., use a NULL communicator, which will end up at the
default errhandler, which is abort). */
if (ompi_mpi_initialized && !ompi_mpi_finalized) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
} else {
return OMPI_ERRHANDLER_INVOKE(null, MPI_ERR_ARG,
FUNC_NAME);
}
}
}
/* According to the MPI-2 specification */
*version = 2;
*subversion = 0;
return MPI_SUCCESS;
}