/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * 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 LICENSE 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.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#if !(defined H5I_FRIEND || defined H5I_MODULE)
#error "Do not include this file outside the H5I package!"
#endif

#ifndef H5Ipkg_H
#define H5Ipkg_H

#include "H5Iprivate.h"

#define TYPE_BITS 7
#define TYPE_MASK (((hid_t)1 << TYPE_BITS) - 1)

#define H5I_MAX_NUM_TYPES TYPE_MASK

#define ID_BITS ((sizeof(hid_t) * 8) - (TYPE_BITS + 1))
#define ID_MASK (((hid_t)1 << ID_BITS) - 1)

#define H5I_TYPE(a) ((H5I_type_t)(((hid_t)(a) >> ID_BITS) & TYPE_MASK))

typedef struct H5I_id_info_t {
    hid_t    id;        
    unsigned count;     
    unsigned app_count; 
    union {
        const void *c_object; 
        void       *object;   
    } u;

    
    bool                      is_future;  
    H5I_future_realize_func_t realize_cb; 
    H5I_future_discard_func_t discard_cb; 

    
    bool           marked; 
    UT_hash_handle hh;     
} H5I_id_info_t;

typedef struct H5I_type_info_t {
    const H5I_class_t *cls;          
    unsigned           init_count;   
    uint64_t           id_count;     
    uint64_t           nextid;       
    H5I_id_info_t     *last_id_info; 
    H5I_id_info_t     *hash_table;   
} H5I_type_info_t;

H5_DLLVAR H5I_type_info_t *H5I_type_info_array_g[H5I_MAX_NUM_TYPES];

H5_DLLVAR int H5I_next_type_g;

H5_DLL hid_t          H5I__register(H5I_type_t type, const void *object, bool app_ref,
                                    H5I_future_realize_func_t realize_cb, H5I_future_discard_func_t discard_cb);
H5_DLL H5I_type_t     H5I__register_type_common(unsigned reserved, H5I_free_t free_func);
H5_DLL int            H5I__destroy_type(H5I_type_t type);
H5_DLL void          *H5I__remove_verify(hid_t id, H5I_type_t type);
H5_DLL int            H5I__inc_type_ref(H5I_type_t type);
H5_DLL int            H5I__get_type_ref(H5I_type_t type);
H5_DLL H5I_id_info_t *H5I__find_id(hid_t id);

#ifdef H5I_TESTING
H5_DLL ssize_t H5I__get_name_test(hid_t id, char *name , size_t size, bool *cached);
#endif 

#endif 
