50 строки
1.2 KiB
C
50 строки
1.2 KiB
C
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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
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/*
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* (C) 2003 by Argonne National Laboratory.
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* See COPYRIGHT in top-level directory.
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*/
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#include "mpioimpl.h"
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#include "mpiu_greq.h"
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#include <string.h>
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#ifdef HAVE_WEAK_SYMBOLS
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/* Include mapping from MPI->PMPI */
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#define MPIO_BUILD_PROFILING
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#include "mpioprof.h"
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#endif
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int MPIU_Greq_query_fn(void *extra_state, MPI_Status *status)
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{
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int foo;
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/* can't touch user's MPI_ERROR, so hold it for a moment */
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foo = status->MPI_ERROR;
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/* get the status from the blocking operation */
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memcpy(status, extra_state, sizeof(MPI_Status));
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/* restore MPI_ERROR to whatever it had when we got it */
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status->MPI_ERROR = foo;
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/* and let Test|Wait know we weren't canceled */
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MPI_Status_set_cancelled(status, 0);
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return MPI_SUCCESS;
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}
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int MPIU_Greq_free_fn(void *extra_state)
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{
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/* frees the memory allocated in MPIO_Completed_request_create */
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ADIOI_Free(extra_state);
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return MPI_SUCCESS;
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}
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int MPIU_Greq_cancel_fn(void *extra_state, int complete)
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{
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MPIU_UNREFERENCED_ARG(extra_state);
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MPIU_UNREFERENCED_ARG(complete);
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/* can't cancel */
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return MPI_SUCCESS;
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}
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