/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */

/*

 *  (C) 2017 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include "mpiimpl.h"

#undef FUNCNAME

#define FUNCNAME MPIR_Scan_allcomm_nb

#undef FCNAME

#define FCNAME MPL_QUOTE(FUNCNAME)

int MPIR_Scan_allcomm_nb(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,

                         MPI_Op op, MPIR_Comm * comm_ptr, MPIR_Errflag_t * errflag)

{

    int mpi_errno = MPI_SUCCESS;

    MPI_Request req = MPI_REQUEST_NULL;

    MPIR_Request *req_ptr = NULL;

    /* just call the nonblocking version and wait on it */

    mpi_errno = MPIR_Iscan(sendbuf, recvbuf, count, datatype, op, comm_ptr, &req_ptr);

    if (mpi_errno)

        MPIR_ERR_POP(mpi_errno);

    if (req_ptr)

        req = req_ptr->handle;

    mpi_errno = MPIR_Wait(&req, MPI_STATUS_IGNORE);

    if (mpi_errno)

        MPIR_ERR_POP(mpi_errno);

  fn_exit:

    return mpi_errno;

  fn_fail:

    goto fn_exit;

}