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openmpi/ompi/mpi/c/irecv.c

83 строки
2.7 KiB
C
Исходник Обычный вид История

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 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) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.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_Irecv = PMPI_Irecv
#endif
#define MPI_Irecv PMPI_Irecv
#endif
static const char FUNC_NAME[] = "MPI_Irecv";
int MPI_Irecv(void *buf, int count, MPI_Datatype type, int source,
int tag, MPI_Comm comm, MPI_Request *request)
{
int rc = MPI_SUCCESS;
MEMCHECKER(
memchecker_datatype(type);
memchecker_comm(comm);
);
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
OMPI_CHECK_DATATYPE_FOR_RECV(rc, type, count);
OMPI_CHECK_USER_BUFFER(rc, buf, type, count);
if (ompi_comm_invalid(comm)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
} else if (((tag < 0) && (tag != MPI_ANY_TAG)) || (tag > mca_pml.pml_max_tag)) {
rc = MPI_ERR_TAG;
} else if ((MPI_ANY_SOURCE != source) &&
(MPI_PROC_NULL != source) &&
ompi_comm_peer_invalid(comm, source)) {
rc = MPI_ERR_RANK;
} else if (NULL == request) {
rc = MPI_ERR_REQUEST;
}
OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
}
if (source == MPI_PROC_NULL) {
*request = &ompi_request_empty;
return MPI_SUCCESS;
}
OPAL_CR_ENTER_LIBRARY();
MEMCHECKER (
memchecker_call(&opal_memchecker_base_mem_noaccess, buf, count, type);
);
rc = MCA_PML_CALL(irecv(buf,count,type,source,tag,comm,request));
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
}