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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://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* This file contains function prototypes for each exported function in
* the H5I module.
*/
#ifndef _H5Ipublic_H
#define _H5Ipublic_H
/* Public headers needed by this file */
#include "H5public.h"
/*
* Library type values. Start with `1' instead of `0' because it makes the
* tracing output look better when hid_t values are large numbers. Change the
* TYPE_BITS in H5I.c if the MAXID gets larger than 32 (an assertion will
* fail otherwise).
*
* When adding types here, add a section to the 'misc19' test in test/tmisc.c
* to verify that the H5I{inc|dec|get}_ref() routines work correctly with it.
*/
typedef enum H5I_type_t {
H5I_UNINIT = (-2), /* uninitialized type */
H5I_BADID = (-1), /* invalid Type */
H5I_FILE = 1, /* type ID for File objects */
H5I_GROUP, /* type ID for Group objects */
H5I_DATATYPE, /* type ID for Datatype objects */
H5I_DATASPACE, /* type ID for Dataspace objects */
H5I_DATASET, /* type ID for Dataset objects */
H5I_ATTR, /* type ID for Attribute objects */
H5I_VFL, /* type ID for virtual file layer */
H5I_VOL, /* type ID for virtual object layer */
H5I_GENPROP_CLS, /* type ID for generic property list classes */
H5I_GENPROP_LST, /* type ID for generic property lists */
H5I_ERROR_CLASS, /* type ID for error classes */
H5I_ERROR_MSG, /* type ID for error messages */
H5I_ERROR_STACK, /* type ID for error stacks */
H5I_SPACE_SEL_ITER, /* type ID for dataspace selection iterator */
H5I_NTYPES /* number of library types, MUST BE LAST! */
} H5I_type_t;
/* Type of atoms to return to users */
typedef int64_t hid_t;
#define H5_SIZEOF_HID_T H5_SIZEOF_INT64_T
/* An invalid object ID. This is also negative for error return. */
#define H5I_INVALID_HID (-1)
/*
* Function for freeing objects. This function will be called with an object
* ID type number and a pointer to the object. The function should free the
* object and return non-negative to indicate that the object
* can be removed from the ID type. If the function returns negative
* (failure) then the object will remain in the ID type.
*/
typedef herr_t (*H5I_free_t)(void *);
/* Type of the function to compare objects & keys */
typedef int (*H5I_search_func_t)(void *obj, hid_t id, void *key);
/* Type of the H5Iiterate callback function */
typedef herr_t (*H5I_iterate_func_t)(hid_t id, void *udata);
#ifdef __cplusplus
extern "C" {
#endif
/* Public API functions */
H5_DLL hid_t H5Iregister(H5I_type_t type, const void *object);
H5_DLL void *H5Iobject_verify(hid_t id, H5I_type_t id_type);
H5_DLL void *H5Iremove_verify(hid_t id, H5I_type_t id_type);
H5_DLL H5I_type_t H5Iget_type(hid_t id);
H5_DLL hid_t H5Iget_file_id(hid_t id);
H5_DLL ssize_t H5Iget_name(hid_t id, char *name/*out*/, size_t size);
H5_DLL int H5Iinc_ref(hid_t id);
H5_DLL int H5Idec_ref(hid_t id);
H5_DLL int H5Iget_ref(hid_t id);
H5_DLL H5I_type_t H5Iregister_type(size_t hash_size, unsigned reserved, H5I_free_t free_func);
H5_DLL herr_t H5Iclear_type(H5I_type_t type, hbool_t force);
H5_DLL herr_t H5Idestroy_type(H5I_type_t type);
H5_DLL int H5Iinc_type_ref(H5I_type_t type);
H5_DLL int H5Idec_type_ref(H5I_type_t type);
H5_DLL int H5Iget_type_ref(H5I_type_t type);
H5_DLL void *H5Isearch(H5I_type_t type, H5I_search_func_t func, void *key);
H5_DLL herr_t H5Iiterate(H5I_type_t type, H5I_iterate_func_t op, void *op_data);
H5_DLL herr_t H5Inmembers(H5I_type_t type, hsize_t *num_members);
H5_DLL htri_t H5Itype_exists(H5I_type_t type);
H5_DLL htri_t H5Iis_valid(hid_t id);
#ifdef __cplusplus
}
#endif
#endif /* _H5Ipublic_H */
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