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openmpi/ompi/mca/mtl/mx/mtl_mx_recv.c
Brian Barrett 6d414f2d44 * use the MTL-specific output stream for all error messages
* use OPAL_OUTPUT_VERBOSE rather than printfs for debugging messages

This commit was SVN r11227.
2006-08-16 16:28:58 +00:00

85 строки
2.7 KiB
C

/*
* Copyright (c) 2004-2006 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) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2006 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/request/request.h"
#include "ompi/datatype/datatype.h"
#include "ompi/communicator/communicator.h"
#include "ompi/datatype/convertor.h"
#include "ompi/mca/mtl/base/mtl_base_datatype.h"
#include "mtl_mx.h"
#include "mtl_mx_types.h"
#include "mtl_mx_request.h"
int
ompi_mtl_mx_irecv(struct mca_mtl_base_module_t* mtl,
struct ompi_communicator_t *comm,
int src,
int tag,
struct ompi_convertor_t *convertor,
struct mca_mtl_request_t *mtl_request)
{
int ret;
mx_return_t mx_return;
mca_mtl_mx_request_t * mtl_mx_request = (mca_mtl_mx_request_t*) mtl_request;
uint64_t match_bits;
uint64_t mask_bits;
size_t length;
ret = ompi_mtl_datatype_recv_buf(convertor,
&mtl_mx_request->mx_segment[0].segment_ptr,
&length,
&mtl_mx_request->free_after);
mtl_mx_request->mx_segment[0].segment_length = length;
mtl_mx_request->convertor = convertor;
mtl_mx_request->type = OMPI_MTL_MX_IRECV;
if(OMPI_SUCCESS != ret) return ret;
MX_SET_RECV_BITS(match_bits,
mask_bits,
comm->c_contextid,
src,
tag);
OPAL_OUTPUT_VERBOSE((50, ompi_mtl_base_output,
"recv bits: 0x%016llx 0x%016llx\n",
match_bits, mask_bits));
mx_return = mx_irecv( ompi_mtl_mx.mx_endpoint,
mtl_mx_request->mx_segment,
1,
match_bits,
mask_bits,
mtl_mx_request,
&mtl_mx_request->mx_request);
if(mx_return != MX_SUCCESS) {
opal_output(ompi_mtl_base_output, "Error in mx_irecv (error %s)\n", mx_strerror(mx_return));
return OMPI_ERROR;
}
return OMPI_SUCCESS;
}