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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2020 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2010-2012 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2012-2016 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2014-2017 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2017-2018 FUJITSU LIMITED. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/request/request.h"
#include "ompi/memchecker.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Startall = PMPI_Startall
#endif
#define MPI_Startall PMPI_Startall
#endif
static const char FUNC_NAME[] = "MPI_Startall";
int MPI_Startall(int count, MPI_Request requests[])
{
int i, j;
int ret = OMPI_SUCCESS;
ompi_request_start_fn_t start_fn = NULL;
MEMCHECKER(
for (j = 0; j < count; j++){
memchecker_request(&requests[j]);
}
);
if ( MPI_PARAM_CHECK ) {
int rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == requests) {
rc = MPI_ERR_REQUEST;
} else if (count < 0) {
rc = MPI_ERR_ARG;
} else {
for (i = 0; i < count; ++i) {
if (NULL == requests[i] ||
! requests[i]->req_persistent ||
(OMPI_REQUEST_PML != requests[i]->req_type &&
OMPI_REQUEST_COLL != requests[i]->req_type &&
OMPI_REQUEST_PART != requests[i]->req_type &&
OMPI_REQUEST_NOOP != requests[i]->req_type)) {
rc = MPI_ERR_REQUEST;
break;
}
}
}
OMPI_ERRHANDLER_NOHANDLE_CHECK(rc, rc, FUNC_NAME);
}
#if OPAL_ENABLE_FT_MPI
/*
* The request will be checked for process failure errors during the
* completion calls. So no need to check here.
*/
#endif
for (i = 0, j = -1; i < count; ++i) {
/* Per MPI it is invalid to start an active request */
if (OMPI_REQUEST_INACTIVE != requests[i]->req_state) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_REQUEST, FUNC_NAME);
}
if (OMPI_REQUEST_NOOP == requests[i]->req_type) {
/**
* We deal with a MPI_PROC_NULL request. If the request is
* already active, fall back to the error case in the default.
* Otherwise, mark it active so we can correctly handle it in
* the wait*.
*/
requests[i]->req_state = OMPI_REQUEST_ACTIVE;
}
/* Call a req_start callback function per requests which have the
* same req_start value. */
if (requests[i]->req_start != start_fn) {
if (NULL != start_fn && i != 0) {
start_fn(i - j, requests + j);
}
start_fn = requests[i]->req_start;
j = i;
}
}
if (NULL != start_fn) {
start_fn(i - j, requests + j);
}
return ret;
}
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