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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-----------------------------------------------------------------------------
* File: H5Iprivate.h
* Purpose: header file for ID API
*---------------------------------------------------------------------------*/
/* avoid re-inclusion */
#ifndef _H5Iprivate_H
#define _H5Iprivate_H
/* Include package's public header */
#include "H5Ipublic.h"
/* Private headers needed by this file */
#include "H5private.h"
#include "H5VLprivate.h"
/**************************/
/* Library Private Macros */
/**************************/
/* Macro to determine if a H5I_type_t is a "library type" */
#define H5I_IS_LIB_TYPE(type) (type > 0 && type < H5I_NTYPES)
/* Flags for ID class */
#define H5I_CLASS_IS_APPLICATION 0x01
/****************************/
/* Library Private Typedefs */
/****************************/
typedef struct H5I_class_t {
H5I_type_t type; /* Class "value" for the type */
unsigned flags; /* Class behavior flags */
unsigned reserved; /* Number of reserved IDs for this type */
/* [A specific number of type entries may be
* reserved to enable "constant" values to be
* handed out which are valid IDs in the type,
* but which do not map to any data structures
* and are not allocated dynamically later.]
*/
H5I_free_t free_func; /* Free function for object's of this type */
} H5I_class_t;
/*****************************/
/* Library-private Variables */
/*****************************/
/***************************************/
/* Library-private Function Prototypes */
/***************************************/
H5_DLL herr_t H5I_register_type(const H5I_class_t *cls);
H5_DLL int64_t H5I_nmembers(H5I_type_t type);
H5_DLL herr_t H5I_clear_type(H5I_type_t type, hbool_t force, hbool_t app_ref);
H5_DLL H5I_type_t H5I_get_type(hid_t id);
H5_DLL herr_t H5I_iterate(H5I_type_t type, H5I_search_func_t func, void *udata, hbool_t app_ref);
H5_DLL int H5I_get_ref(hid_t id, hbool_t app_ref);
H5_DLL int H5I_inc_ref(hid_t id, hbool_t app_ref);
H5_DLL int H5I_dec_ref(hid_t id);
H5_DLL int H5I_dec_app_ref(hid_t id);
H5_DLL int H5I_dec_app_ref_always_close(hid_t id);
H5_DLL int H5I_dec_type_ref(H5I_type_t type);
H5_DLL herr_t H5I_find_id(const void *object, H5I_type_t type, hid_t *id /*out*/);
/* NOTE: The object and ID functions below deal in non-VOL objects (i.e.;
* H5S_t, etc.). Similar VOL calls exist in H5VLprivate.h. Use
* the H5VL calls with objects that go through the VOL, such as
* datasets and groups, and the H5I calls with objects
* that do not, such as property lists and dataspaces. Datatypes
* are can be either named, where they will use the VOL, or not,
* and thus require special treatment. See the datatype docs for
* how to handle this.
*/
/* Functions that manipulate objects */
H5_DLL void * H5I_object(hid_t id);
H5_DLL void * H5I_object_verify(hid_t id, H5I_type_t type);
H5_DLL void * H5I_remove(hid_t id);
H5_DLL void * H5I_subst(hid_t id, const void *new_object);
H5_DLL htri_t H5I_is_file_object(hid_t id);
/* ID registration functions */
H5_DLL hid_t H5I_register(H5I_type_t type, const void *object, hbool_t app_ref);
H5_DLL herr_t H5I_register_using_existing_id(H5I_type_t type, void *object, hbool_t app_ref,
hid_t existing_id);
/* Debugging functions */
H5_DLL herr_t H5I_dump_ids_for_type(H5I_type_t type);
#endif /* _H5Iprivate_H */
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