/* -*- 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
/*@
MPIR_Type_dup - create a copy of a datatype
Input Parameters:
- oldtype - handle of original datatype
Output Parameters:
. newtype - handle of newly created copy of datatype
Return Value:
0 on success, MPI error code on failure.
@*/
#undef FUNCNAME
#define FUNCNAME MPIR_Type_dup
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
int MPIR_Type_dup(MPI_Datatype oldtype, MPI_Datatype * newtype)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Datatype *new_dtp = 0, *old_dtp;
if (HANDLE_GET_KIND(oldtype) == HANDLE_KIND_BUILTIN) {
/* create a new type and commit it. */
mpi_errno = MPIR_Type_contiguous(1, oldtype, newtype);
if (mpi_errno) {
MPIR_ERR_POP(mpi_errno);
}
} else {
/* allocate new datatype object and handle */
new_dtp = (MPIR_Datatype *) MPIR_Handle_obj_alloc(&MPIR_Datatype_mem);
if (!new_dtp) {
/* --BEGIN ERROR HANDLING-- */
mpi_errno = MPIR_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
"MPIR_Type_dup", __LINE__, MPI_ERR_OTHER,
"**nomem", 0);
goto fn_fail;
/* --END ERROR HANDLING-- */
}
MPIR_Datatype_get_ptr(oldtype, old_dtp);
/* fill in datatype */
MPIR_Object_set_ref(new_dtp, 1);
/* new_dtp->handle is filled in by MPIR_Handle_obj_alloc() */
new_dtp->is_contig = old_dtp->is_contig;
new_dtp->size = old_dtp->size;
new_dtp->extent = old_dtp->extent;
new_dtp->ub = old_dtp->ub;
new_dtp->lb = old_dtp->lb;
new_dtp->true_ub = old_dtp->true_ub;
new_dtp->true_lb = old_dtp->true_lb;
new_dtp->alignsize = old_dtp->alignsize;
new_dtp->has_sticky_ub = old_dtp->has_sticky_ub;
new_dtp->has_sticky_lb = old_dtp->has_sticky_lb;
new_dtp->is_permanent = old_dtp->is_permanent;
new_dtp->is_committed = old_dtp->is_committed;
new_dtp->attributes = NULL; /* Attributes are copied in the
* top-level MPI_Type_dup routine */
new_dtp->cache_id = -1; /* ??? */
new_dtp->name[0] = 0; /* The Object name is not copied on
* a dup */
new_dtp->n_builtin_elements = old_dtp->n_builtin_elements;
new_dtp->builtin_element_size = old_dtp->builtin_element_size;
new_dtp->basic_type = old_dtp->basic_type;
new_dtp->max_contig_blocks = old_dtp->max_contig_blocks;
new_dtp->dataloop = NULL;
new_dtp->dataloop_size = old_dtp->dataloop_size;
new_dtp->dataloop_depth = old_dtp->dataloop_depth;
*newtype = new_dtp->handle;
if (old_dtp->is_committed) {
MPIR_Assert(old_dtp->dataloop != NULL);
MPIR_Dataloop_dup(old_dtp->dataloop, old_dtp->dataloop_size, &new_dtp->dataloop);
#ifdef MPID_Type_commit_hook
MPID_Type_commit_hook(new_dtp);
#endif /* MPID_Type_commit_hook */
}
}
MPL_DBG_MSG_D(MPIR_DBG_DATATYPE, VERBOSE, "dup type %x created.", *newtype);
fn_fail:
return mpi_errno;
}
/*@
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
@*/
#undef FUNCNAME
#define FUNCNAME MPI_Type_dup
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
int MPI_Type_dup(MPI_Datatype oldtype, MPI_Datatype * newtype)
{
int mpi_errno = MPI_SUCCESS;
MPI_Datatype new_handle;
MPIR_Datatype *datatype_ptr = NULL;
MPIR_Datatype *new_dtp;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TYPE_DUP);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_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 */
MPIR_Datatype_get_ptr(oldtype, datatype_ptr);
/* Convert MPI object handles to object pointers */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
/* Validate datatype_ptr */
MPIR_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 */
MPIR_Assert(datatype_ptr != NULL);
/* ... body of routine ... */
mpi_errno = MPIR_Type_dup(oldtype, &new_handle);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
MPIR_Datatype_get_ptr(new_handle, new_dtp);
mpi_errno = MPIR_Datatype_set_contents(new_dtp, MPI_COMBINER_DUP, 0, /* ints */
0, /* aints */
1, /* types */
NULL, NULL, &oldtype);
mpi_errno = MPIR_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) {
MPIR_Datatype_ptr_release(new_dtp);
goto fn_fail;
}
}
MPIR_OBJ_PUBLISH_HANDLE(*newtype, new_handle);
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_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-- */
}