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

/*

 *  (C) 2003 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include "mpioimpl.h"

#include "mpiu_greq.h"

#include <string.h>

#ifdef HAVE_WEAK_SYMBOLS

/* Include mapping from MPI->PMPI */

#define MPIO_BUILD_PROFILING

#include "mpioprof.h"

#endif

int MPIU_Greq_query_fn(void *extra_state, MPI_Status * status)

{

    int foo;

    /* can't touch user's MPI_ERROR, so hold it for a moment */

    foo = status->MPI_ERROR;

    /* get the status from the blocking operation */

    memcpy(status, extra_state, sizeof(MPI_Status));

    /* restore MPI_ERROR to whatever it had when we got it */

    status->MPI_ERROR = foo;

    /* and let Test|Wait know we weren't canceled */

    MPI_Status_set_cancelled(status, 0);

    return MPI_SUCCESS;

}

int MPIU_Greq_free_fn(void *extra_state)

{

    /* frees the memory allocated in MPIO_Completed_request_create */

    ADIOI_Free(extra_state);

    return MPI_SUCCESS;

}

int MPIU_Greq_cancel_fn(void *extra_state, int complete)

{

    MPL_UNREFERENCED_ARG(extra_state);

    MPL_UNREFERENCED_ARG(complete);

    /* can't cancel */

    return MPI_SUCCESS;

}