openmpi/src/mpi/c/group_free.c

/*
 * $HEADERS$
 */
#include "lam_config.h"
#include <stdio.h>

#include "mpi.h"
#include "mpi/interface/c/bindings.h"
#include "mpi/group/group.h"

#if LAM_HAVE_WEAK_SYMBOLS && LAM_PROFILING_DEFINES
#pragma weak MPI_Group_free = PMPI_Group_free
#endif

int MPI_Group_free(MPI_Group *group)
{
    /* local variables */
    int proc;
    lam_group_t *l_group;

    /* check to make sure we don't free GROUP_EMPTY or GROUP_NULL */
    if( MPI_PARAM_CHECK ) {
        if( (MPI_GROUP_NULL == group) || (MPI_GROUP_EMPTY == group ) ) {
            return MPI_ERR_GROUP;
        }
    }

    l_group=(lam_group_t *)group;

    /* decrement proc reference count */
    for(proc=0 ; proc < l_group->grp_proc_count ; proc++ ) {
        OBJ_RELEASE(l_group->grp_proc_pointers[proc]);
    }

    OBJ_RELEASE(group);
    return MPI_SUCCESS;
}