70 строки
2.2 KiB
C
70 строки
2.2 KiB
C
/*
|
|
* Copyright (c) 2004-2005 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 "mpi/c/bindings.h"
|
|
#include "ompi/mca/pml/pml.h"
|
|
|
|
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Recv = PMPI_Recv
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_Recv";
|
|
|
|
|
|
int MPI_Recv(void *buf, int count, MPI_Datatype type, int source,
|
|
int tag, MPI_Comm comm, MPI_Status *status)
|
|
{
|
|
int rc;
|
|
if (source == MPI_PROC_NULL) {
|
|
if (status) {
|
|
status->MPI_SOURCE = MPI_PROC_NULL;
|
|
status->MPI_TAG = MPI_ANY_TAG;
|
|
status->MPI_ERROR = MPI_SUCCESS;
|
|
status->_count = 0;
|
|
}
|
|
return MPI_SUCCESS;
|
|
}
|
|
|
|
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 (type == MPI_DATATYPE_NULL) {
|
|
rc = MPI_ERR_TYPE;
|
|
} else if (((tag < 0) && (tag != MPI_ANY_TAG)) || (tag > mca_pml.pml_max_tag)) {
|
|
rc = MPI_ERR_TAG;
|
|
} else if (source != MPI_ANY_SOURCE && ompi_comm_peer_invalid(comm, source)) {
|
|
rc = MPI_ERR_RANK;
|
|
}
|
|
OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
|
|
}
|
|
|
|
rc = MCA_PML_CALL(recv(buf, count, type, source, tag, comm, status));
|
|
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
|
|
}
|
|
|