100 строки
3.4 KiB
C
100 строки
3.4 KiB
C
/* -*- 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) 2004-2005 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) 2013 Los Alamos National Security, LLC. 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 OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Rsend_init = PMPI_Rsend_init
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "ompi/mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_Rsend_init";
|
|
|
|
|
|
int MPI_Rsend_init(const void *buf, int count, MPI_Datatype type,
|
|
int dest, int tag, MPI_Comm comm,
|
|
MPI_Request *request)
|
|
{
|
|
int rc;
|
|
|
|
MEMCHECKER(
|
|
memchecker_datatype(type);
|
|
memchecker_call(&opal_memchecker_base_isaddressable, buf, count, type);
|
|
memchecker_comm(comm);
|
|
);
|
|
|
|
if ( MPI_PARAM_CHECK ) {
|
|
rc = MPI_SUCCESS;
|
|
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
|
|
if (ompi_comm_invalid(comm)) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
|
|
} else if (count < 0) {
|
|
rc = MPI_ERR_COUNT;
|
|
} else if (MPI_DATATYPE_NULL == type || NULL == type) {
|
|
rc = MPI_ERR_TYPE;
|
|
} else if (tag < 0 || tag > mca_pml.pml_max_tag) {
|
|
rc = MPI_ERR_TAG;
|
|
} else if (ompi_comm_peer_invalid(comm, dest) &&
|
|
(MPI_PROC_NULL != dest)) {
|
|
rc = MPI_ERR_RANK;
|
|
} else if (request == NULL) {
|
|
rc = MPI_ERR_REQUEST;
|
|
}
|
|
OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
|
|
}
|
|
|
|
if (MPI_PROC_NULL == dest) {
|
|
*request = OBJ_NEW(ompi_request_t);
|
|
/* Other fields were initialized by the constructor for
|
|
ompi_request_t */
|
|
(*request)->req_type = OMPI_REQUEST_NOOP;
|
|
(*request)->req_status = ompi_request_empty.req_status;
|
|
(*request)->req_complete = true;
|
|
(*request)->req_state = OMPI_REQUEST_INACTIVE;
|
|
(*request)->req_persistent = true;
|
|
(*request)->req_free = ompi_request_persistent_proc_null_free;
|
|
return MPI_SUCCESS;
|
|
}
|
|
|
|
OPAL_CR_ENTER_LIBRARY();
|
|
|
|
/*
|
|
* Here, we just initialize the request -- memchecker should set the buffer in MPI_Start.
|
|
*/
|
|
/* XXX -- CONST -- do not cast away const -- update mca/pml */
|
|
rc = MCA_PML_CALL(isend_init((void *) buf,count,type,dest,tag,
|
|
MCA_PML_BASE_SEND_READY,comm,request));
|
|
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
|
|
}
|
|
|