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openmpi/ompi/group/group_set_rank.c
2016-11-22 15:03:20 -08:00

51 lines
1.7 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 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 (c) 2006-2007 University of Houston. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/group/group.h"
#include "ompi/constants.h"
/*
* Set group rank in a group structure.
*/
void ompi_set_group_rank(ompi_group_t *group, struct ompi_proc_t *proc_pointer)
{
/* local variables */
int proc;
/* set the rank to MPI_UNDEFINED, just in case this process is not
* in this group
*/
group->grp_my_rank = MPI_UNDEFINED;
if (NULL != proc_pointer) {
/* loop over all procs in the group */
for (proc = 0; proc < group->grp_proc_count; proc++) {
/* check and see if this proc pointer matches proc_pointer
*/
if (ompi_group_peer_lookup_existing (group, proc) == proc_pointer) {
group->grp_my_rank = proc;
break;
}
} /* end proc loop */
}
}