openmpi/src/mpi/c/comm_get_attr.c

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

#include "mpi.h"
#include "mpi/c/bindings.h"
#include "attribute/attribute.h"

#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Comm_get_attr = PMPI_Comm_get_attr
#endif

#if OMPI_PROFILING_DEFINES
#include "mpi/c/profile/defines.h"
#endif

static const char FUNC_NAME[] = "MPI_Comm_get_attr";

int MPI_Comm_get_attr(MPI_Comm comm, int comm_keyval,
                      void *attribute_val, int *flag)
{
    int ret;

    if (MPI_PARAM_CHECK) {
	if ((NULL == attribute_val) || (NULL == flag)) {
	    return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, 
					 FUNC_NAME);
	}
    }

    ret = ompi_attr_get(comm->c_keyhash, comm_keyval, 
		       attribute_val, flag);

    OMPI_ERRHANDLER_RETURN(ret, comm, MPI_ERR_OTHER, FUNC_NAME);  
}