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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 private information about the H5UC module
* The module used to be H5RC, but changed to H5UC because of
* conflicting requirement for the use of H5RC.
*/
#ifndef _H5UCprivate_H
#define _H5UCprivate_H
/**************************************/
/* Public headers needed by this file */
/**************************************/
#ifdef LATER
#include "H5UCpublic.h"
#endif /* LATER */
/***************************************/
/* Private headers needed by this file */
/***************************************/
#include "H5private.h"
/************/
/* Typedefs */
/************/
/* Typedef for function to release object when reference count drops to zero */
typedef herr_t (*H5UC_free_func_t)(void *o);
/* Typedef for reference counted objects */
typedef struct H5UC_t {
void * o; /* Object to be reference counted */
size_t n; /* Reference count of number of pointers sharing object */
H5UC_free_func_t free_func; /* Function to free object */
} H5UC_t;
/**********/
/* Macros */
/**********/
#define H5UC_INC(rc) ((rc)->n++)
#define H5UC_DEC(rc) (H5UC_decr(rc))
#define H5UC_GET_OBJ(rc) ((rc)->o)
/********************/
/* Private routines */
/********************/
H5_DLL H5UC_t *H5UC_create(void *s, H5UC_free_func_t free_func);
H5_DLL herr_t H5UC_decr(H5UC_t *rc);
#endif /* _H5UCprivate_H */
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