/*
 * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2020 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) 2015      Research Organization for Information Science
 *                         and Technology (RIST). All rights reserved.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */
#include "ompi_config.h"
#include <stdio.h>

#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/op/op.h"

#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Op_free = PMPI_Op_free
#endif
#define MPI_Op_free PMPI_Op_free
#endif

static const char FUNC_NAME[] = "MPI_Op_free";


int MPI_Op_free(MPI_Op *op)
{
  /* Error checking */

  if (MPI_PARAM_CHECK) {
    OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
    if (NULL == op ||
        ompi_op_is_intrinsic(*op)) {
      return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_OP,
                                    FUNC_NAME);
    }
  }

  /* We have a valid op, release it */

  OBJ_RELEASE(*op);
  *op = MPI_OP_NULL;

  /* All done */

  return MPI_SUCCESS;
}