/* -*- 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_Type_get_envelope */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Type_get_envelope = PMPI_Type_get_envelope
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Type_get_envelope MPI_Type_get_envelope
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Type_get_envelope as PMPI_Type_get_envelope
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Type_get_envelope(MPI_Datatype datatype, int *num_integers, int *num_addresses,
int *num_datatypes, int *combiner)
__attribute__ ((weak, alias("PMPI_Type_get_envelope")));
#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_Type_get_envelope
#define MPI_Type_get_envelope PMPI_Type_get_envelope
#undef FUNCNAME
#define FUNCNAME MPIR_Type_get_envelope
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
void MPIR_Type_get_envelope(MPI_Datatype datatype,
int *num_integers,
int *num_addresses, int *num_datatypes, int *combiner)
{
if (HANDLE_GET_KIND(datatype) == HANDLE_KIND_BUILTIN ||
datatype == MPI_FLOAT_INT ||
datatype == MPI_DOUBLE_INT ||
datatype == MPI_LONG_INT || datatype == MPI_SHORT_INT || datatype == MPI_LONG_DOUBLE_INT) {
*combiner = MPI_COMBINER_NAMED;
*num_integers = 0;
*num_addresses = 0;
*num_datatypes = 0;
} else {
MPIR_Datatype *dtp;
MPIR_Datatype_get_ptr(datatype, dtp);
*combiner = dtp->contents->combiner;
*num_integers = dtp->contents->nr_ints;
*num_addresses = dtp->contents->nr_aints;
*num_datatypes = dtp->contents->nr_types;
}
}
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Type_get_envelope
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Type_get_envelope - get type envelope
Input Parameters:
. datatype - datatype to access (handle)
Output Parameters:
+ num_integers - number of input integers used in the call constructing combiner (non-negative integer)
. num_addresses - number of input addresses used in the call constructing combiner (non-negative integer)
. num_datatypes - number of input datatypes used in the call constructing combiner (non-negative integer)
- combiner - combiner (state)
Notes:
.N Fortran
.N Errors
.N MPI_SUCCESS
@*/
int MPI_Type_get_envelope(MPI_Datatype datatype,
int *num_integers, int *num_addresses, int *num_datatypes, int *combiner)
{
int mpi_errno = MPI_SUCCESS;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TYPE_GET_ENVELOPE);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_TYPE_GET_ENVELOPE);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
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 comm_ptr is not value, it will be reset to null */
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
MPIR_Type_get_envelope(datatype, num_integers, num_addresses, num_datatypes, combiner);
/* ... end of body of routine ... */
#ifdef HAVE_ERROR_CHECKING
fn_exit:
#endif
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_TYPE_GET_ENVELOPE);
return mpi_errno;
#ifdef HAVE_ERROR_CHECKING
fn_fail:
/* --BEGIN ERROR HANDLING-- */
{
mpi_errno =
MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_type_get_envelope",
"**mpi_type_get_envelope %D %p %p %p %p", datatype, num_integers,
num_addresses, num_datatypes, combiner);
}
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
#endif
}