hb-object-private.hh revision af92135424b994062648f4fb7e26af0bd970a4b1
1b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 2b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Copyright © 2007 Chris Wilson 3fceb39872958b9fa2505e63f8b8699a9e0f882f4ccornelius * Copyright © 2009,2010 Red Hat, Inc. 4b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Copyright © 2011 Google, Inc. 5b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 659d709d503bab6e2b61931737e662dd293b40578ccornelius * This is part of HarfBuzz, a text shaping library. 7b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 8b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Permission is hereby granted, without written agreement and without 9b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * license or royalty fees, to use, copy, modify, and distribute this 10b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * software and its documentation for any purpose, provided that the 11b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * above copyright notice and the following two paragraphs appear in 12b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * all copies of this software. 13b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 14b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 15b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 16b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 17b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 18b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * DAMAGE. 19b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 20b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 21b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 22b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 23b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 24b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 25b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 26b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Contributor(s): 27b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Chris Wilson <chris@chris-wilson.co.uk> 28b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Red Hat Author(s): Behdad Esfahbod 29b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Google Author(s): Behdad Esfahbod 30b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 31b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 32b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#ifndef HB_OBJECT_PRIVATE_HH 33b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define HB_OBJECT_PRIVATE_HH 34b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 35b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "hb-private.hh" 36b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 37b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "hb-mutex-private.hh" 38b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 39b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 40b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 41b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Debug */ 42b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 43b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#ifndef HB_DEBUG_OBJECT 44b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define HB_DEBUG_OBJECT (HB_DEBUG+0) 45b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 46b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 47b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 48b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* atomic_int */ 49b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 50b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* We need external help for these */ 51b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 52b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#ifdef HAVE_GLIB 53b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 54b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <glib.h> 55b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 56b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutypedef volatile int hb_atomic_int_t; 57b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if GLIB_CHECK_VERSION(2,29,5) 58b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define hb_atomic_int_add(AI, V) g_atomic_int_add (&(AI), V) 59b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 60b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define hb_atomic_int_add(AI, V) g_atomic_int_exchange_and_add (&(AI), V) 61b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 62b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define hb_atomic_int_get(AI) g_atomic_int_get (&(AI)) 63b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define hb_atomic_int_set(AI, V) g_atomic_int_set (&(AI), V) 64b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 65b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 66b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#elif defined(_MSC_VER) && _MSC_VER >= 1600 67b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 68b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <intrin.h> 6954dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius 7054dcd9b6a06071f647dac967e9e267abb9410720Craig Corneliustypedef long hb_atomic_int_t; 7154dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius#define hb_atomic_int_add(AI, V) _InterlockedExchangeAdd (&(AI), V) 7254dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius#define hb_atomic_int_get(AI) (_ReadBarrier (), (AI)) 7359d709d503bab6e2b61931737e662dd293b40578ccornelius#define hb_atomic_int_set(AI, V) ((void) _InterlockedExchange (&(AI), (V))) 7459d709d503bab6e2b61931737e662dd293b40578ccornelius 7559d709d503bab6e2b61931737e662dd293b40578ccornelius 7659d709d503bab6e2b61931737e662dd293b40578ccornelius#else 77b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 78b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#ifdef _MSC_VER 7954dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius#pragma message("Could not find any system to define atomic_int macros, library will NOT be thread-safe") 8054dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius#else 81b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#warning "Could not find any system to define atomic_int macros, library will NOT be thread-safe" 82b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 83b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 84b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutypedef volatile int hb_atomic_int_t; 8527f654740f2a26ad62a5c155af9199af9e69b889claireho#define hb_atomic_int_add(AI, V) ((AI) += (V), (AI) - (V)) 8627f654740f2a26ad62a5c155af9199af9e69b889claireho#define hb_atomic_int_get(AI) (AI) 87b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho#define hb_atomic_int_set(AI, V) ((void) ((AI) = (V))) 88b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho 89b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho 90b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho#endif 91b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 92b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 93b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 94b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 95b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* reference_count */ 96b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 97b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutypedef struct { 98b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_atomic_int_t ref_count; 99b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 100b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define HB_REFERENCE_COUNT_INVALID_VALUE ((hb_atomic_int_t) -1) 101b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define HB_REFERENCE_COUNT_INVALID {HB_REFERENCE_COUNT_INVALID_VALUE} 102b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 103b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline void init (int v) { ref_count = v; /* non-atomic is fine */ } 104b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline int inc (void) { return hb_atomic_int_add (ref_count, 1); } 105b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline int dec (void) { return hb_atomic_int_add (ref_count, -1); } 106b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline void set (int v) { hb_atomic_int_set (ref_count, v); } 107b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 108b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline int get (void) const { return hb_atomic_int_get (ref_count); } 109b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline bool is_invalid (void) const { return get () == HB_REFERENCE_COUNT_INVALID_VALUE; } 110b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 111b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} hb_reference_count_t; 112b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 113b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 114b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* user_data */ 115b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 116b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustruct hb_user_data_array_t { 117b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 118b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru struct hb_user_data_item_t { 119b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_user_data_key_t *key; 120b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru void *data; 121b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_destroy_func_t destroy; 122b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 123b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline bool operator == (hb_user_data_key_t *other_key) const { return key == other_key; } 124b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline bool operator == (hb_user_data_item_t &other) const { return key == other.key; } 125b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 126b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru void finish (void) { if (destroy) destroy (data); } 127b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru }; 128b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 129b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_lockable_set_t<hb_user_data_item_t, hb_static_mutex_t> items; 130b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 131b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru HB_INTERNAL bool set (hb_user_data_key_t *key, 132b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru void * data, 133b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_destroy_func_t destroy, 134b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_bool_t replace); 135b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho 136b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho HB_INTERNAL void *get (hb_user_data_key_t *key); 137b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 138b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru HB_INTERNAL void finish (void); 139b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru}; 140b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 141b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 142b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* object_header */ 143b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho 14454dcd9b6a06071f647dac967e9e267abb9410720Craig Corneliustypedef struct _hb_object_header_t hb_object_header_t; 14554dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius 14654dcd9b6a06071f647dac967e9e267abb9410720Craig Corneliusstruct _hb_object_header_t { 14759d709d503bab6e2b61931737e662dd293b40578ccornelius hb_reference_count_t ref_count; 148b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_user_data_array_t user_data; 149b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 150b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define HB_OBJECT_HEADER_STATIC {HB_REFERENCE_COUNT_INVALID} 151b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 152b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static inline void *create (unsigned int size) { 153b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_object_header_t *obj = (hb_object_header_t *) calloc (1, size); 154b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 155b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (likely (obj)) 156b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru obj->init (); 157b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 158b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return obj; 159b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 160b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 161b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline void init (void) { 162b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ref_count.init (1); 163b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 164b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 165b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline bool is_inert (void) const { 166b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return unlikely (ref_count.is_invalid ()); 167b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 168b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 169b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline void reference (void) { 170b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (unlikely (!this || this->is_inert ())) 171b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return; 172b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ref_count.inc (); 173b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 174b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 175b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline bool destroy (void) { 176b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (unlikely (!this || this->is_inert ())) 177b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return false; 178b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (ref_count.dec () != 1) 179b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return false; 180b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 181b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ref_count.init (HB_REFERENCE_COUNT_INVALID_VALUE); 182b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 183b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru user_data.finish (); 184b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 185b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return true; 186b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 187b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 188b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline bool set_user_data (hb_user_data_key_t *key, 189b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru void * data, 190b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_destroy_func_t destroy_func, 191b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_bool_t replace) { 192b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (unlikely (!this || this->is_inert ())) 193b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return false; 194b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 195b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return user_data.set (key, data, destroy_func, replace); 196b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 197b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 198b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline void *get_user_data (hb_user_data_key_t *key) { 199b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return user_data.get (key); 200b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 201b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 202b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru inline void trace (const char *function) const { 203b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru DEBUG_MSG (OBJECT, (void *) this, 204b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru "refcount=%d %s", 205b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru this ? ref_count.get () : 0, 206b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru function); 207b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 208b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 209b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru}; 210b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 211b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 212b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 213b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 214b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* object */ 215b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 216b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutemplate <typename Type> 217b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic inline void hb_object_trace (const Type *obj, const char *function) 218b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 219b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru obj->header.trace (function); 220b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 221b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutemplate <typename Type> 222b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic inline Type *hb_object_create (void) 223b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 224b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Type *obj = (Type *) hb_object_header_t::create (sizeof (Type)); 225b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_object_trace (obj, HB_FUNC); 226b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return obj; 227b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 228b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutemplate <typename Type> 229b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic inline bool hb_object_is_inert (const Type *obj) 230b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 231b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return unlikely (obj->header.is_inert ()); 232b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 233b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutemplate <typename Type> 234b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic inline Type *hb_object_reference (Type *obj) 235b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 236b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_object_trace (obj, HB_FUNC); 237b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru obj->header.reference (); 238b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return obj; 239b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 240b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutemplate <typename Type> 241b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic inline bool hb_object_destroy (Type *obj) 242b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 243b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_object_trace (obj, HB_FUNC); 244b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return obj->header.destroy (); 245b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 246b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutemplate <typename Type> 247b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic inline bool hb_object_set_user_data (Type *obj, 248b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_user_data_key_t *key, 249b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru void * data, 250b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_destroy_func_t destroy, 251b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_bool_t replace) 252b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 253b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return obj->header.set_user_data (key, data, destroy, replace); 254b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 255b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 256b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutemplate <typename Type> 257b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic inline void *hb_object_get_user_data (Type *obj, 258b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru hb_user_data_key_t *key) 259b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 260b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return obj->header.get_user_data (key); 261b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 262b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 263b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 264b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 265b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 266b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 267b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif /* HB_OBJECT_PRIVATE_HH */ 268b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru