/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2001 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpiimpl.h"
/* -- Begin Profiling Symbol Block for routine MPI_Pack_external_size */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Pack_external_size = PMPI_Pack_external_size
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Pack_external_size MPI_Pack_external_size
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Pack_external_size as PMPI_Pack_external_size
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Pack_external_size(const char datarep[], int incount, MPI_Datatype datatype,
MPI_Aint * size)
__attribute__ ((weak, alias("PMPI_Pack_external_size")));
#endif
/* -- End Profiling Symbol Block */
/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
the MPI routines */
#ifndef MPICH_MPI_FROM_PMPI
#undef MPI_Pack_external_size
#define MPI_Pack_external_size PMPI_Pack_external_size
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Pack_external_size
#undef FCNAME
#define FCNAME "MPI_Pack_external_size"
/*@
MPI_Pack_external_size - Returns the upper bound on the amount of
space needed to pack a message using MPI_Pack_external.
Input Parameters:
+ datarep - data representation (string)
. incount - number of input data items (integer)
- datatype - datatype of each input data item (handle)
Output Parameters:
. size - output buffer size, in bytes (address integer)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_TYPE
.N MPI_ERR_ARG
@*/
int MPI_Pack_external_size(const char datarep[],
int incount, MPI_Datatype datatype, MPI_Aint * size)
{
int mpi_errno = MPI_SUCCESS;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_PACK_EXTERNAL_SIZE);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_PACK_EXTERNAL_SIZE);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COUNT(incount, mpi_errno);
MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_Datatype *datatype_ptr = NULL;
/* Convert MPI object handles to object pointers */
MPIR_Datatype_get_ptr(datatype, datatype_ptr);
/* Validate datatype_ptr */
MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
/* If datatype_ptr is not valid, it will be reset to null */
if (mpi_errno)
goto fn_fail;
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
*size = (MPI_Aint) incount *(MPI_Aint) MPIR_Datatype_size_external32(datatype);
/* ... end of body of routine ... */
#ifdef HAVE_ERROR_CHECKING
fn_exit:
#endif
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_PACK_EXTERNAL_SIZE);
return mpi_errno;
/* --BEGIN ERROR HANDLING-- */
#ifdef HAVE_ERROR_CHECKING
fn_fail:
{
mpi_errno =
MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_pack_external_size", "**mpi_pack_external_size %s %d %D %p",
datarep, incount, datatype, size);
}
mpi_errno = MPIR_Err_return_comm(0, FCNAME, mpi_errno);
goto fn_exit;
#endif
/* --END ERROR HANDLING-- */
}