b572dc3591
not end up in OPAL - Will post an updated patch for the OMPI_ALIGNMENT_ parts (within C). This commit was SVN r21342. The following SVN revision numbers were found above: r21330 --> open-mpi/ompi@95596d1814
554 строки
22 KiB
C
554 строки
22 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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/** @file
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*
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* Implementation for taking care of the attribute that can hang off a comm,
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* win or datatype.
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*/
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#ifndef OMPI_ATTRIBUTE_H
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#define OMPI_ATTRIBUTE_H
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#include <string.h>
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#include "mpi.h"
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#include "ompi_config.h"
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#include "ompi/constants.h"
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#include "opal/class/opal_object.h"
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#include "opal/class/opal_hash_table.h"
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#define ATTR_HASH_SIZE 10
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/*
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* Flags for keyvals
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*/
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#define OMPI_KEYVAL_PREDEFINED 0x0001
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#define OMPI_KEYVAL_F77 0x0002
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#define OMPI_KEYVAL_F77_MPI1 0x0004
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BEGIN_C_DECLS
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enum ompi_attribute_type_t {
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UNUSED_ATTR = 0, /**< Make the compilers happy when we have to construct
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* an attribute */
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COMM_ATTR, /**< The attribute belongs to a comm object. Starts
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* with 1 so that we can have it initialized to 0
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* using memset in the constructor */
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TYPE_ATTR, /**< The attribute belongs to datatype object */
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WIN_ATTR /**< The attribute belongs to a win object */
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};
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typedef enum ompi_attribute_type_t ompi_attribute_type_t;
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/* Old-style MPI-1 Fortran function pointer declarations for copy and
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delete. These will only be used here and not in the front end
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functions. */
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typedef void (ompi_mpi1_fortran_copy_attr_function)(MPI_Fint *oldobj,
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MPI_Fint *keyval,
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MPI_Fint *extra_state,
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MPI_Fint *attr_in,
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MPI_Fint *attr_out,
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ompi_fortran_logical_t *flag,
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MPI_Fint *ierr);
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typedef void (ompi_mpi1_fortran_delete_attr_function)(MPI_Fint *obj,
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MPI_Fint *keyval,
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MPI_Fint *attr_in,
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MPI_Fint *extra_state,
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MPI_Fint *ierr);
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/* New-style MPI-2 Fortran function pointer declarations for copy and
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delete. These will only be used here and not in the front end
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functions. */
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typedef void (ompi_mpi2_fortran_copy_attr_function)(MPI_Fint *oldobj,
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MPI_Fint *keyval,
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void *extra_state,
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void *attr_in,
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void *attr_out,
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ompi_fortran_logical_t *flag,
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MPI_Fint *ierr);
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typedef void (ompi_mpi2_fortran_delete_attr_function)(MPI_Fint *obj,
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MPI_Fint *keyval,
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void *attr_in,
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void *extra_state,
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MPI_Fint *ierr);
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/*
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* Internally the copy function for all kinds of MPI objects has one more
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* argument, the pointer to the new object. Therefore, we can do on the
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* flight modifications of the new communicator based on attributes stored
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* on the main communicator.
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*/
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typedef int (MPI_Comm_internal_copy_attr_function)(MPI_Comm, int, void *,
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void *, void *, int *,
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MPI_Comm);
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typedef int (MPI_Type_internal_copy_attr_function)(MPI_Datatype, int, void *,
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void *, void *, int *,
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MPI_Datatype);
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typedef int (MPI_Win_internal_copy_attr_function)(MPI_Win, int, void *,
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void *, void *, int *,
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MPI_Win);
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typedef void (ompi_attribute_keyval_destructor_fn_t)(int);
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/* Union to take care of proper casting of the function pointers
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passed from the front end functions depending on the type. This
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will avoid casting function pointers to void* */
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union ompi_attribute_fn_ptr_union_t {
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MPI_Comm_delete_attr_function *attr_communicator_delete_fn;
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MPI_Type_delete_attr_function *attr_datatype_delete_fn;
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MPI_Win_delete_attr_function *attr_win_delete_fn;
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MPI_Comm_internal_copy_attr_function *attr_communicator_copy_fn;
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MPI_Type_internal_copy_attr_function *attr_datatype_copy_fn;
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MPI_Win_internal_copy_attr_function *attr_win_copy_fn;
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/* For Fortran old MPI-1 callback functions */
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ompi_mpi1_fortran_delete_attr_function *attr_mpi1_fortran_delete_fn;
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ompi_mpi1_fortran_copy_attr_function *attr_mpi1_fortran_copy_fn;
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/* For Fortran new MPI-2 callback functions */
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ompi_mpi2_fortran_delete_attr_function *attr_mpi2_fortran_delete_fn;
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ompi_mpi2_fortran_copy_attr_function *attr_mpi2_fortran_copy_fn;
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};
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typedef union ompi_attribute_fn_ptr_union_t ompi_attribute_fn_ptr_union_t;
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/**
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* Union to help convert between Fortran attributes (which must be
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* stored by value) and C pointers (which is the back-end storage of
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* all attributes).
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*/
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union ompi_attribute_fortran_ptr_t {
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void *c_ptr;
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MPI_Fint f_integer;
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MPI_Aint f_address;
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};
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/**
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* Convenience typedef
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*/
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typedef union ompi_attribute_fortran_ptr_t ompi_attribute_fortran_ptr_t;
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struct ompi_attribute_keyval_t {
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opal_object_t super;
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ompi_attribute_type_t attr_type; /**< One of COMM/WIN/DTYPE. This
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will be used to cast the
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copy/delete attribute functions
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properly and error checking */
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int attr_flag; /**< flag field: contains "OMPI_KEYVAL_PREDEFINED",
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"OMPI_KEYVAL_F77" */
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ompi_attribute_fn_ptr_union_t copy_attr_fn; /**< Copy function for the
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attribute */
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ompi_attribute_fn_ptr_union_t delete_attr_fn; /**< Delete function for the
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attribute */
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ompi_attribute_fortran_ptr_t extra_state; /**< Extra state of the attribute */
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int key; /**< Keep a track of which key this item belongs to, so that
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the key can be deleted when this object is destroyed */
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/** Extra state for bindings to hang data on. If non-NULL, will be
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freed by the C base when the keyval is destroyed. */
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void *bindings_extra_state;
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};
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typedef struct ompi_attribute_keyval_t ompi_attribute_keyval_t;
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/* Functions */
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/**
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* Convenient way to initialize the attribute hash table per MPI-Object
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*/
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static inline
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int ompi_attr_hash_init(opal_hash_table_t **hash)
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{
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*hash = OBJ_NEW(opal_hash_table_t);
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if (NULL == hash) {
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fprintf(stderr, "Error while creating the local attribute list\n");
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return MPI_ERR_SYSRESOURCE;
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}
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if (OMPI_SUCCESS != opal_hash_table_init(*hash, ATTR_HASH_SIZE)) {
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return MPI_ERR_SYSRESOURCE;
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}
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return MPI_SUCCESS;
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}
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/**
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* Initialize the main attribute hash that stores the keyvals and meta data
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*
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* @return OMPI return code
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*/
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int ompi_attr_init(void);
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/**
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* Destroy the main attribute hash that stores the keyvals and meta data
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*/
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int ompi_attr_finalize(void);
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/**
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* Create a new key for use by attribute of Comm/Win/Datatype
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*
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* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
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* @param copy_attr_fn Union variable containing the function pointer
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* to be used in order to copy the attribute (IN)
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* @param delete_attr_fn Function pointer to be used for deleting the
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* attribute (IN)
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* @param key The newly created key is returned here (OUT)
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* @param extra_state Extra state to hang off/do some special things (IN)
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* @param flags Flags for the key -- flags contain OMPI_KEYVAL_F77,
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* OMPI_KEYVAL_PREDEFINED
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* @param bindings_extra_state Extra state that, if non-NULL, will
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* automatically be free()'ed by the C base when
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* the keyval is destroyed.
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*
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* NOTE: I have taken the assumption that user cannot modify/delete
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* any predefined keys or the attributes attached. To accomplish this,
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* all MPI* calls will have OMPI_KEYVAL_PREDEFINED set as 0. MPI
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* implementors who will need to play with the predefined keys and
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* attributes would call the ompi* functions here and not the MPI*
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* functions, with OMPI_KEYVAL_PREDEFINED set to 1.
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* END OF NOTE
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*
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* NOTE: For the function pointers, you need to create a variable of the
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* union type "ompi_attribute_fn_ptr_union_t" and assign the proper field.
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* to be passed into this function
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* END OF NOTE
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*
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* @return OMPI return code
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*
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*/
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OMPI_DECLSPEC int ompi_attr_create_keyval(ompi_attribute_type_t type,
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ompi_attribute_fn_ptr_union_t copy_attr_fn,
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ompi_attribute_fn_ptr_union_t delete_attr_fn,
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int *key, void *extra_state, int flags,
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void *bindings_extra_state);
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/**
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* Same as ompi_attr_create_keyval, but extra_state is a Fortran default integer.
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*/
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OMPI_DECLSPEC int ompi_attr_create_keyval_fint(ompi_attribute_type_t type,
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ompi_attribute_fn_ptr_union_t copy_attr_fn,
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ompi_attribute_fn_ptr_union_t delete_attr_fn,
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int *key, MPI_Fint extra_state, int flags,
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void *bindings_extra_state);
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/**
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* Same as ompi_attr_create_keyval, but extra_state is a Fortran address integer.
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*/
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OMPI_DECLSPEC int ompi_attr_create_keyval_aint(ompi_attribute_type_t type,
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ompi_attribute_fn_ptr_union_t copy_attr_fn,
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ompi_attribute_fn_ptr_union_t delete_attr_fn,
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int *key, MPI_Aint extra_state, int flags,
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void *bindings_extra_state);
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/**
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* Free an attribute keyval
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* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
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* @param key key, which is set to MPI_KEY_INVALID (IN/OUT)
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* @return OMPI error code
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*/
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int ompi_attr_free_keyval(ompi_attribute_type_t type, int *key,
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bool predefined);
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/**
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* Set an attribute on the comm/win/datatype in a form valid for C.
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*
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* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
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* @param object The actual Comm/Win/Datatype object (IN)
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* @param attr_hash The attribute hash table hanging on the object(IN/OUT)
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* @param key Key val for the attribute (IN)
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* @param attribute The actual attribute pointer (IN)
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* @param predefined Whether the key is predefined or not 0/1 (IN)
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* @param need_lock Whether we need to need to lock the keyval_lock or not
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* @return OMPI error code
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*
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* If (*attr_hash) == NULL, a new hash will be created and
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* initialized.
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*
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* Note that need_lock should *always* be true when this function is
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* invoked from an top-level MPI function. It is only false when this
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* function is invoked internally (i.e., when we already hold the
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* relevant locks, and we don't want to try to lock them again,
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* recursively).
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*
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* All three of these functions (ompi_attr_set_c(),
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* ompi_attr_set_fortran_mpi1(), and ompi_attr_set_fortran_mpi2())
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* could have been combined into one function that took some kind of
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* (void*) and an enum to indicate which way to translate the final
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* representation, but that just seemed to make an already complicated
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* situation more complicated through yet another layer of
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* indirection.
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*
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* So yes, this is more code, but it's clearer and less error-prone
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* (read: better) this way.
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*/
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int ompi_attr_set_c(ompi_attribute_type_t type, void *object,
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opal_hash_table_t **attr_hash,
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int key, void *attribute, bool predefined, bool need_lock);
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/**
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* Set an attribute on the comm/win/datatype in a form valid for
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* Fortran MPI-1.
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*
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* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
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* @param object The actual Comm/Win/Datatype object (IN)
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* @param attr_hash The attribute hash table hanging on the object(IN/OUT)
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* @param key Key val for the attribute (IN)
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* @param attribute The actual attribute pointer (IN)
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* @param predefined Whether the key is predefined or not 0/1 (IN)
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* @param need_lock Whether we need to need to lock the keyval_lock or not
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* @return OMPI error code
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*
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* If (*attr_hash) == NULL, a new hash will be created and
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* initialized.
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*
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* Note that need_lock should *always* be true when this function is
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* invoked from an top-level MPI function. It is only false when this
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* function is invoked internally (i.e., when we already hold the
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* relevant locks, and we don't want to try to lock them again,
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* recursively).
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*
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* All three of these functions (ompi_attr_set_c(),
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* ompi_attr_set_fortran_mpi1(), and ompi_attr_set_fortran_mpi2())
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* could have been combined into one function that took some kind of
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* (void*) and an enum to indicate which way to translate the final
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* representation, but that just seemed to make an already complicated
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* situation more complicated through yet another layer of
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* indirection.
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*
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* So yes, this is more code, but it's clearer and less error-prone
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* (read: better) this way.
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*/
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OMPI_DECLSPEC int ompi_attr_set_fortran_mpi1(ompi_attribute_type_t type, void *object,
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opal_hash_table_t **attr_hash,
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int key, MPI_Fint attribute,
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bool predefined, bool need_lock);
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/**
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* Set an attribute on the comm/win/datatype in a form valid for
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* Fortran MPI-2.
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*
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* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
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* @param object The actual Comm/Win/Datatype object (IN)
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* @param attr_hash The attribute hash table hanging on the object(IN/OUT)
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* @param key Key val for the attribute (IN)
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* @param attribute The actual attribute pointer (IN)
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* @param predefined Whether the key is predefined or not 0/1 (IN)
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* @param need_lock Whether we need to need to lock the keyval_lock or not
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* @return OMPI error code
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*
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* If (*attr_hash) == NULL, a new hash will be created and
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* initialized.
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*
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* Note that need_lock should *always* be true when this function is
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* invoked from an top-level MPI function. It is only false when this
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* function is invoked internally (i.e., when we already hold the
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* relevant locks, and we don't want to try to lock them again,
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* recursively).
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*
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* All three of these functions (ompi_attr_set_c(),
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* ompi_attr_set_fortran_mpi1(), and ompi_attr_set_fortran_mpi2())
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* could have been combined into one function that took some kind of
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* (void*) and an enum to indicate which way to translate the final
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* representation, but that just seemed to make an already complicated
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* situation more complicated through yet another layer of
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* indirection.
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*
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* So yes, this is more code, but it's clearer and less error-prone
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* (read: better) this way.
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*/
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OMPI_DECLSPEC int ompi_attr_set_fortran_mpi2(ompi_attribute_type_t type, void *object,
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opal_hash_table_t **attr_hash,
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int key, MPI_Aint attribute,
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bool predefined, bool need_lock);
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/**
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* Get an attribute on the comm/win/datatype in a form valid for C.
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*
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* @param attr_hash The attribute hash table hanging on the object(IN)
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* @param key Key val for the attribute (IN)
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* @param attribute The actual attribute pointer (OUT)
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* @param flag Flag whether an attribute is associated
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* with the key (OUT)
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* @return OMPI error code
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*
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* All three of these functions (ompi_attr_get_c(),
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* ompi_attr_get_fortran_mpi1(), and ompi_attr_get_fortran_mpi2())
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* could have been combined into one function that took some kind of
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* (void*) and an enum to indicate which way to translate the final
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* representation, but that just seemed to make an already complicated
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* situation more complicated through yet another layer of
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* indirection.
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*
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* So yes, this is more code, but it's clearer and less error-prone
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* (read: better) this way.
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*/
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int ompi_attr_get_c(opal_hash_table_t *attr_hash, int key,
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void **attribute, int *flag);
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/**
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* Get an attribute on the comm/win/datatype in a form valid for
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* Fortran MPI-1.
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*
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* @param attr_hash The attribute hash table hanging on the object(IN)
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* @param key Key val for the attribute (IN)
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* @param attribute The actual attribute pointer (OUT)
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* @param flag Flag whether an attribute is associated
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* with the key (OUT)
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* @return OMPI error code
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*
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* All three of these functions (ompi_attr_get_c(),
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* ompi_attr_get_fortran_mpi1(), and ompi_attr_get_fortran_mpi2())
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* could have been combined into one function that took some kind of
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* (void*) and an enum to indicate which way to translate the final
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* representation, but that just seemed to make an already complicated
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* situation more complicated through yet another layer of
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* indirection.
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*
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* So yes, this is more code, but it's clearer and less error-prone
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* (read: better) this way.
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*/
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OMPI_DECLSPEC int ompi_attr_get_fortran_mpi1(opal_hash_table_t *attr_hash, int key,
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MPI_Fint *attribute, int *flag);
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/**
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* Get an attribute on the comm/win/datatype in a form valid for
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* Fortran MPI-2.
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*
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* @param attrhash The attribute hash table hanging on the object(IN)
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* @param key Key val for the attribute (IN)
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* @param attribute The actual attribute pointer (OUT)
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* @param flag Flag whether an attribute is associated
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* with the key (OUT)
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* @return OMPI error code
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*
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* All three of these functions (ompi_attr_get_c(),
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* ompi_attr_get_fortran_mpi1(), and ompi_attr_get_fortran_mpi2())
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* could have been combined into one function that took some kind of
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* (void*) and an enum to indicate which way to translate the final
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|
* representation, but that just seemed to make an already complicated
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* situation more complicated through yet another layer of
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* indirection.
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*
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* So yes, this is more code, but it's clearer and less error-prone
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* (read: better) this way.
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|
*/
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|
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OMPI_DECLSPEC int ompi_attr_get_fortran_mpi2(opal_hash_table_t *attr_hash, int key,
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MPI_Aint *attribute, int *flag);
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|
|
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|
/**
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|
* Delete an attribute on the comm/win/datatype
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* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
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* @param object The actual Comm/Win/Datatype object (IN)
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* @param attr_hash The attribute hash table hanging on the object(IN)
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* @param key Key val for the attribute (IN)
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|
* @param predefined Whether the key is predefined or not 0/1 (IN)
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|
* @param need_lock Whether we need to need to lock the keyval_lock or not
|
|
* @return OMPI error code
|
|
*
|
|
* Note that need_lock should *always* be true when this function is
|
|
* invoked from an top-level MPI function. It is only false when this
|
|
* function is invoked internally (i.e., when we already hold the
|
|
* relevant locks, and we don't want to try to lock them again,
|
|
* recursively).
|
|
*/
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|
|
|
int ompi_attr_delete(ompi_attribute_type_t type, void *object,
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|
opal_hash_table_t *attr_hash , int key,
|
|
bool predefined, bool need_lock);
|
|
|
|
|
|
/**
|
|
* This to be used from functions like MPI_*_DUP inorder to copy all
|
|
* the attributes from the old Comm/Win/Dtype object to a new
|
|
* object.
|
|
* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
|
|
* @param old_object The old COMM/WIN/DTYPE object (IN)
|
|
* @param new_object The new COMM/WIN/DTYPE object (IN)
|
|
* @param attr_hash The attribute hash table hanging on old object(IN)
|
|
* @param newattr_hash The attribute hash table hanging on new object(IN)
|
|
* @return OMPI error code
|
|
*
|
|
*/
|
|
|
|
int ompi_attr_copy_all(ompi_attribute_type_t type, void *old_object,
|
|
void *new_object, opal_hash_table_t *oldattr_hash,
|
|
opal_hash_table_t *newkeyhash);
|
|
|
|
|
|
/**
|
|
* This to be used to delete all the attributes from the Comm/Win/Dtype
|
|
* object in one shot
|
|
* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
|
|
* @param object The COMM/WIN/DTYPE object (IN)
|
|
* @param attr_hash The attribute hash table hanging on the object(IN)
|
|
* @return OMPI error code
|
|
*
|
|
*/
|
|
|
|
int ompi_attr_delete_all(ompi_attribute_type_t type, void *object,
|
|
opal_hash_table_t *attr_hash);
|
|
|
|
|
|
/**
|
|
* \internal
|
|
*
|
|
* Create all the predefined attributes
|
|
*
|
|
* @returns OMPI_SUCCESS
|
|
*/
|
|
int ompi_attr_create_predefined(void);
|
|
|
|
/**
|
|
* \internal
|
|
*
|
|
* Free all the predefined attributes
|
|
*
|
|
* @returns OMPI_SUCCESS
|
|
*/
|
|
int ompi_attr_free_predefined(void);
|
|
|
|
|
|
END_C_DECLS
|
|
|
|
#endif /* OMPI_ATTRIBUTE_H */
|