/* -*- 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_dup */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Type_dup = PMPI_Type_dup
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Type_dup MPI_Type_dup
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Type_dup as PMPI_Type_dup
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Type_dup(MPI_Datatype oldtype, MPI_Datatype *newtype) __attribute__((weak,alias("PMPI_Type_dup")));
#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_dup
#define MPI_Type_dup PMPI_Type_dup
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Type_dup
/*@
MPI_Type_dup - Duplicate a datatype
Input Parameters:
. oldtype - datatype (handle)
Output Parameters:
. newtype - copy of type (handle)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_TYPE
@*/
int MPI_Type_dup(MPI_Datatype oldtype, MPI_Datatype *newtype)
{
static const char FCNAME[] = "MPI_Type_dup";
int mpi_errno = MPI_SUCCESS;
MPI_Datatype new_handle;
MPID_Datatype *datatype_ptr = NULL;
MPID_Datatype *new_dtp;
MPID_MPI_STATE_DECL(MPID_STATE_MPI_TYPE_DUP);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPID_MPI_FUNC_ENTER(MPID_STATE_MPI_TYPE_DUP);
/* Validate parameters, especially handles needing to be converted */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_DATATYPE(oldtype, "datatype", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
# endif
/* Convert MPI object handles to object pointers */
MPID_Datatype_get_ptr( oldtype, datatype_ptr );
/* Convert MPI object handles to object pointers */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
/* Validate datatype_ptr */
MPID_Datatype_valid_ptr( datatype_ptr, mpi_errno );
/* If comm_ptr is not valid, it will be reset to null */
MPIR_ERRTEST_ARGNULL(newtype, "newtype", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPID_Type_dup(oldtype, &new_handle);
if (mpi_errno != MPI_SUCCESS) goto fn_fail;
MPID_Datatype_get_ptr(new_handle, new_dtp);
mpi_errno = MPID_Datatype_set_contents(new_dtp,
MPI_COMBINER_DUP,
0, /* ints */
0, /* aints */
1, /* types */
NULL,
NULL,
&oldtype);
mpi_errno = MPID_Type_commit(&new_handle);
if (mpi_errno) { MPIR_ERR_POP(mpi_errno); }
/* Copy attributes, executing the attribute copy functions */
/* This accesses the attribute dup function through the perprocess
structure to prevent type_dup from forcing the linking of the
attribute functions. The actual function is (by default)
MPIR_Attr_dup_list
*/
if (mpi_errno == MPI_SUCCESS && MPIR_Process.attr_dup)
{
new_dtp->attributes = 0;
mpi_errno = MPIR_Process.attr_dup( oldtype,
datatype_ptr->attributes,
&new_dtp->attributes );
if (mpi_errno)
{
MPID_Datatype_release(new_dtp);
goto fn_fail;
}
}
if (mpi_errno != MPI_SUCCESS) goto fn_fail;
MPID_OBJ_PUBLISH_HANDLE(*newtype, new_handle);
/* ... end of body of routine ... */
fn_exit:
MPID_MPI_FUNC_EXIT(MPID_STATE_MPI_TYPE_DUP);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
*newtype = MPI_DATATYPE_NULL;
# ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(
mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER, "**mpi_type_dup",
"**mpi_type_dup %D %p", oldtype, newtype);
}
# endif
mpi_errno = MPIR_Err_return_comm( NULL, FCNAME, mpi_errno );
goto fn_exit;
/* --END ERROR HANDLING-- */
}