87 строки
3.2 KiB
C
87 строки
3.2 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 "ompi/mpi/c/bindings.h"
|
|
#include "ompi/datatype/datatype.h"
|
|
#include "ompi/datatype/convertor.h"
|
|
|
|
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Pack_external = PMPI_Pack_external
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "ompi/mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_Pack_external";
|
|
|
|
|
|
int MPI_Pack_external(char *datarep, void *inbuf, int incount,
|
|
MPI_Datatype datatype, void *outbuf,
|
|
MPI_Aint outsize, MPI_Aint *position)
|
|
{
|
|
int rc, freeAfter;
|
|
ompi_convertor_t local_convertor;
|
|
struct iovec invec;
|
|
unsigned int iov_count;
|
|
size_t size;
|
|
|
|
if (MPI_PARAM_CHECK) {
|
|
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
|
|
if ((NULL == outbuf) || (NULL == position)) { /* inbuf can be MPI_BOTTOM */
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, FUNC_NAME);
|
|
} else if (incount < 0) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COUNT, FUNC_NAME);
|
|
} else if (outsize < 0) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, FUNC_NAME);
|
|
} else if (MPI_DATATYPE_NULL == datatype) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_TYPE, FUNC_NAME);
|
|
}
|
|
}
|
|
|
|
OBJ_CONSTRUCT(&local_convertor, ompi_convertor_t);
|
|
|
|
/* The resulting convertor will be set to the position zero */
|
|
ompi_convertor_copy_and_prepare_for_send( ompi_mpi_external32_convertor,
|
|
datatype, incount, inbuf, 0, &local_convertor );
|
|
|
|
/* Check for truncation */
|
|
ompi_convertor_get_packed_size( &local_convertor, &size );
|
|
if( (*position + size) > (unsigned int)outsize ) { /* we can cast as we already checked for < 0 */
|
|
OBJ_DESTRUCT( &local_convertor );
|
|
return OMPI_ERRHANDLER_INVOKE( MPI_COMM_WORLD, MPI_ERR_TRUNCATE, FUNC_NAME );
|
|
}
|
|
|
|
/* Prepare the iovec with all informations */
|
|
invec.iov_base = (char*) outbuf + (*position);
|
|
invec.iov_len = outsize - (*position);
|
|
|
|
/* Do the actual packing */
|
|
iov_count = 1;
|
|
rc = ompi_convertor_pack( &local_convertor, &invec, &iov_count, &size, &freeAfter );
|
|
*position += size;
|
|
OBJ_DESTRUCT( &local_convertor );
|
|
|
|
/* All done. Note that the convertor returns 1 upon success, not
|
|
OMPI_SUCCESS. */
|
|
OMPI_ERRHANDLER_RETURN((rc == 1) ? OMPI_SUCCESS : OMPI_ERROR,
|
|
MPI_COMM_WORLD, MPI_ERR_UNKNOWN, FUNC_NAME);
|
|
}
|