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openmpi/ompi/mpi/c/recv_init.c
2006-03-29 09:26:27 +00:00

64 строки
2.1 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 "ompi/mpi/c/bindings.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/request/request.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Recv_init = PMPI_Recv_init
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Recv_init";
int MPI_Recv_init(void *buf, int count, MPI_Datatype type, int source,
int tag, MPI_Comm comm, MPI_Request *request)
{
int rc = MPI_SUCCESS;
if (source == MPI_PROC_NULL) {
*request = &ompi_request_empty;
return MPI_SUCCESS;
}
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 (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(irecv_init(buf,count,type,source,tag,comm,request));
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
}