566a050c23
- move files out of toplevel include/ and etc/, moving it into the
sub-projects
- rather than including config headers with <project>/include,
have them as <project>
- require all headers to be included with a project prefix, with
the exception of the config headers ({opal,orte,ompi}_config.h
mpi.h, and mpif.h)
This commit was SVN r8985.
512 строки
19 KiB
C
512 строки
19 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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* $COPYRIGHT$
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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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#include "orte/mca/gpr/gpr_types.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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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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enum ompi_attribute_type_t {
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COMM_ATTR = 1, /**< 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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/* 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_copy_attr_function *attr_communicator_copy_fn;
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MPI_Type_copy_attr_function *attr_datatype_copy_fn;
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MPI_Win_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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};
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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_attrkey_item_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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void *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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};
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typedef struct ompi_attrkey_item_t ompi_attrkey_item_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 **keyhash)
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{
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*keyhash = OBJ_NEW(opal_hash_table_t);
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if (NULL == keyhash) {
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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(*keyhash, 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 key 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 key 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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* 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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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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/**
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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 keyhash 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 (*keyhash) == NULL, a new keyhash 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 **keyhash,
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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 keyhash 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 (*keyhash) == NULL, a new keyhash 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_fortran_mpi1(ompi_attribute_type_t type, void *object,
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opal_hash_table_t **keyhash,
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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 keyhash 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 (*keyhash) == NULL, a new keyhash 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_fortran_mpi2(ompi_attribute_type_t type, void *object,
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opal_hash_table_t **keyhash,
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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 keyhash 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 *keyhash, 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 keyhash 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_fortran_mpi1(opal_hash_table_t *keyhash, 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 keyhash 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_fortran_mpi2(opal_hash_table_t *keyhash, int key,
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MPI_Aint *attribute, int *flag);
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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 keyhash 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
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* @return OMPI error code
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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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int ompi_attr_delete(ompi_attribute_type_t type, void *object,
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opal_hash_table_t *keyhash , int key,
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bool predefined, bool need_lock);
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/**
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* This to be used from functions like MPI_*_DUP inorder to copy all
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* the attributes from the old Comm/Win/Dtype object to a new
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* object.
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* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
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* @param old_object The old COMM/WIN/DTYPE object (IN)
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* @param new_object The new COMM/WIN/DTYPE object (IN)
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* @param keyhash The attribute hash table hanging on old object(IN)
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* @param newkeyhash The attribute hash table hanging on new object(IN)
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* @return OMPI error code
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*
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*/
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int ompi_attr_copy_all(ompi_attribute_type_t type, void *old_object,
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void *new_object, opal_hash_table_t *oldkeyhash,
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opal_hash_table_t *newkeyhash);
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/**
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* This to be used to delete all the attributes from the Comm/Win/Dtype
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* object in one shot
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* @param type Type of attribute (COMM/WIN/DTYPE) (IN)
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* @param object The COMM/WIN/DTYPE object (IN)
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* @param keyhash The attribute hash table hanging on the object(IN)
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* @return OMPI error code
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*
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*/
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int ompi_attr_delete_all(ompi_attribute_type_t type, void *object,
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opal_hash_table_t *keyhash);
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/**
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* \internal
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|
*
|
|
* Create all the predefined attributes
|
|
*
|
|
* @returns OMPI_SUCCESS
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|
*/
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int ompi_attr_create_predefined(void);
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struct orte_gpr_notify_data_t;
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/**
|
|
* \internal
|
|
* Callback function to get data from registry and create predefined attributes
|
|
*
|
|
* @returns Nothing
|
|
*/
|
|
void ompi_attr_create_predefined_callback(
|
|
orte_gpr_notify_data_t *data,
|
|
void *cbdata);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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|
#endif
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#endif /* OMPI_ATTRIBUTE_H */
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