78 строки
1.8 KiB
C
78 строки
1.8 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
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/*
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*
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* Copyright (C) 2003 University of Chicago.
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* See COPYRIGHT notice in top-level directory.
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*/
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#include "mpioimpl.h"
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#ifdef HAVE_WEAK_SYMBOLS
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#if defined(HAVE_PRAGMA_WEAK)
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#pragma weak MPIO_Testall = PMPIO_Testall
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#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
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#pragma _HP_SECONDARY_DEF PMPIO_Testall MPIO_Testall
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#elif defined(HAVE_PRAGMA_CRI_DUP)
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#pragma _CRI duplicate MPIO_Testall as PMPIO_Testall
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/* end of weak pragmas */
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#endif
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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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/*
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This is a temporary function until we switch to using MPI-2's generalized
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requests.
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*/
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int MPIO_Testall(int count, MPIO_Request requests[], int *flag,
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MPI_Status statuses[])
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{
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int done, i, err;
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MPID_THREADPRIV_DECL;
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ROMIO_THREAD_CS_ENTER();
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if (count == 1) {
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err = MPIO_Test( requests, flag, statuses );
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goto fn_exit;
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}
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/* This is actually very difficult to do. We can't use MPIO_Test,
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since we must change the requests only if *ALL* requests are complete
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*/
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/* FIXME: THIS IS NOT CORRECT (see above). But most applications won't
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care */
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done = 1;
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for (i=0; i<count; i++) {
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if (requests[i] != MPIO_REQUEST_NULL) {
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err = MPIO_Test( &requests[i], flag, &statuses[i] );
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if (!*flag) done = 0;
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if (err) goto fn_exit;
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}
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else {
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#ifdef MPICH
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/* need to set empty status */
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if (statuses != MPI_STATUSES_IGNORE) {
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statuses[i].MPI_SOURCE = MPI_ANY_SOURCE;
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statuses[i].MPI_TAG = MPI_ANY_TAG;
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MPIR_STATUS_SET_COUNT(statuses[i], 0);
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MPIR_STATUS_SET_CANCEL_BIT(statuses[i], 0);
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}
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#else
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;
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#endif
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}
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}
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*flag = done;
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err = MPI_SUCCESS;
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fn_exit:
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ROMIO_THREAD_CS_EXIT();
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return err;
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}
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