117 строки
3.8 KiB
C
117 строки
3.8 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2012-2016 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2014-2017 Research Organization for Information Science
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* and Technology (RIST). All rights reserved.
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* Copyright (c) 2017-2018 FUJITSU LIMITED. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include <stdio.h>
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/mca/pml/pml.h"
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#include "ompi/request/request.h"
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#include "ompi/memchecker.h"
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#if OMPI_BUILD_MPI_PROFILING
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#if OPAL_HAVE_WEAK_SYMBOLS
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#pragma weak MPI_Startall = PMPI_Startall
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#endif
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#define MPI_Startall PMPI_Startall
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#endif
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static const char FUNC_NAME[] = "MPI_Startall";
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int MPI_Startall(int count, MPI_Request requests[])
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{
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int i, j;
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int ret = OMPI_SUCCESS;
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ompi_request_start_fn_t start_fn = NULL;
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MEMCHECKER(
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for (j = 0; j < count; j++){
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memchecker_request(&requests[j]);
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}
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);
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if ( MPI_PARAM_CHECK ) {
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int rc = MPI_SUCCESS;
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (NULL == requests) {
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rc = MPI_ERR_REQUEST;
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} else if (count < 0) {
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rc = MPI_ERR_ARG;
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} else {
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for (i = 0; i < count; ++i) {
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if (NULL == requests[i] ||
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! requests[i]->req_persistent ||
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(OMPI_REQUEST_PML != requests[i]->req_type &&
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OMPI_REQUEST_COLL != requests[i]->req_type &&
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OMPI_REQUEST_NOOP != requests[i]->req_type)) {
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rc = MPI_ERR_REQUEST;
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break;
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}
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}
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}
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OMPI_ERRHANDLER_CHECK(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
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}
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OPAL_CR_ENTER_LIBRARY();
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for (i = 0, j = -1; i < count; ++i) {
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/* Per MPI it is invalid to start an active request */
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if (OMPI_REQUEST_INACTIVE != requests[i]->req_state) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_REQUEST, FUNC_NAME);
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}
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if (OMPI_REQUEST_NOOP == requests[i]->req_type) {
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/**
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* We deal with a MPI_PROC_NULL request. If the request is
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* already active, fall back to the error case in the default.
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* Otherwise, mark it active so we can correctly handle it in
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* the wait*.
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*/
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requests[i]->req_state = OMPI_REQUEST_ACTIVE;
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}
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/* Call a req_start callback function per requests which have the
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* same req_start value. */
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if (requests[i]->req_start != start_fn) {
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if (NULL != start_fn && i != 0) {
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start_fn(i - j, requests + j);
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}
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start_fn = requests[i]->req_start;
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j = i;
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}
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}
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if (NULL != start_fn) {
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start_fn(i - j, requests + j);
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}
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OPAL_CR_EXIT_LIBRARY();
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return ret;
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}
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