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

/*

 *

 *   Copyright (C) 2003 University of Chicago.

 *   See COPYRIGHT notice in top-level directory.

 */

#include "mpioimpl.h"

#ifdef HAVE_WEAK_SYMBOLS

#if defined(HAVE_PRAGMA_WEAK)

#pragma weak MPIO_Waitall = PMPIO_Waitall

#elif defined(HAVE_PRAGMA_HP_SEC_DEF)

#pragma _HP_SECONDARY_DEF PMPIO_Waitall MPIO_Waitall

#elif defined(HAVE_PRAGMA_CRI_DUP)

#pragma _CRI duplicate MPIO_Waitall as PMPIO_Waitall

/* end of weak pragmas */

#endif

/* Include mapping from MPI->PMPI */

#define MPIO_BUILD_PROFILING

#include "mpioprof.h"

#endif

/*

  This is a temporary function until we switch to using MPI-2's generalized

  requests.

*/

int MPIO_Waitall(int count, MPIO_Request requests[], MPI_Status statuses[])

{

    int notdone, i, flag, err;

    ROMIO_THREAD_CS_ENTER();

    if (count == 1) {

        err = MPIO_Wait(requests, statuses);

        goto fn_exit;

    }

    do {

        notdone = 0;

        for (i = 0; i < count; i++) {

            if (requests[i] != MPIO_REQUEST_NULL) {

                err = MPIO_Test(&requests[i], &flag, &statuses[i]);

                if (!flag)

                    notdone = 1;

                if (err)

                    goto fn_exit;

            } else {

#ifdef MPICH

                /* need to set empty status */

                if (statuses != MPI_STATUSES_IGNORE) {

                    statuses[i].MPI_SOURCE = MPI_ANY_SOURCE;

                    statuses[i].MPI_TAG = MPI_ANY_TAG;

                    MPIR_STATUS_SET_COUNT(statuses[i], 0);

                    MPIR_STATUS_SET_CANCEL_BIT(statuses[i], 0);

                }

#else

                ;

#endif

            }

        }

    } while (notdone);

    err = MPI_SUCCESS;

  fn_exit:

    ROMIO_THREAD_CS_EXIT();

    return err;

}