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openmpi/ompi/mpi/c/bsend.c

70 строки
2.2 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) 2004-2005 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/mca/pml/base/pml_base_bsend.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Bsend = PMPI_Bsend
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Bsend";
int MPI_Bsend(void *buf, int count, MPI_Datatype type, int dest, int tag, MPI_Comm comm)
{
int rc = MPI_SUCCESS;
OPAL_CR_TEST_CHECKPOINT_READY();
if ( MPI_PARAM_CHECK ) {
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 (type == MPI_DATATYPE_NULL) {
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 {
OMPI_CHECK_DATATYPE_FOR_SEND(rc, type, count);
OMPI_CHECK_USER_BUFFER(rc, buf, type, count);
}
OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
}
if (MPI_PROC_NULL == dest) {
return MPI_SUCCESS;
}
rc = MCA_PML_CALL(send(buf, count, type, dest, tag, MCA_PML_BASE_SEND_BUFFERED, comm));
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
}