hb-object-private.hh revision cf26510dbbd8d38486e6ba423800db6427ade332
1f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod/* 22409d5f8d7dd8b535ce5ea29e933f7db27d33793Behdad Esfahbod * Copyright © 2007 Chris Wilson 32409d5f8d7dd8b535ce5ea29e933f7db27d33793Behdad Esfahbod * Copyright © 2009,2010 Red Hat, Inc. 42409d5f8d7dd8b535ce5ea29e933f7db27d33793Behdad Esfahbod * Copyright © 2011 Google, Inc. 5f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * 6c755cb3e3ac55156d0d2ec05adea7a650b97cc41Behdad Esfahbod * This is part of HarfBuzz, a text shaping library. 7f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * 8f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * Permission is hereby granted, without written agreement and without 9f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * license or royalty fees, to use, copy, modify, and distribute this 10f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * software and its documentation for any purpose, provided that the 11f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * above copyright notice and the following two paragraphs appear in 12f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * all copies of this software. 13f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * 14f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 15f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 16f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 17f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 18f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * DAMAGE. 19f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * 20f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 21f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 22f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 23f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 24f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 25f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * 26f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * Contributor(s): 27f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod * Chris Wilson <chris@chris-wilson.co.uk> 2835a7383c6138fd705560f0d4bb30659cbd1ab64cBehdad Esfahbod * Red Hat Author(s): Behdad Esfahbod 292409d5f8d7dd8b535ce5ea29e933f7db27d33793Behdad Esfahbod * Google Author(s): Behdad Esfahbod 30f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod */ 31f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod 32c57d454accff66e5f2c58006e8fb40bc020b6182Behdad Esfahbod#ifndef HB_OBJECT_PRIVATE_HH 33c57d454accff66e5f2c58006e8fb40bc020b6182Behdad Esfahbod#define HB_OBJECT_PRIVATE_HH 34f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod 35c57d454accff66e5f2c58006e8fb40bc020b6182Behdad Esfahbod#include "hb-private.hh" 3623c86aa0009324433e78fcd0c47f2c0ff14b1949Behdad Esfahbod 3745bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod#include "hb-mutex-private.hh" 3845bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod 39799b3c375ad0e1293fd37a0e3a0d422a3166dcd8Behdad Esfahbod 40799b3c375ad0e1293fd37a0e3a0d422a3166dcd8Behdad Esfahbod 41863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod/* Debug */ 42863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod 43863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod#ifndef HB_DEBUG_OBJECT 4411e3ec444a85fc72541823c2e98cc92c4ceb19afBehdad Esfahbod#define HB_DEBUG_OBJECT (HB_DEBUG+0) 45863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod#endif 46863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod 47863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod 4856eb5ad6f94c32189ad219438db9a18683ca6846Behdad Esfahbod/* atomic_int */ 492000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 502000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod/* We need external help for these */ 512000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 52bd7ff1dec5b92ee59fa060e793f88499adcd8c11Behdad Esfahbod#if !defined(HB_NO_MT) && defined(HAVE_GLIB) 532000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 542000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod#include <glib.h> 552000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbodtypedef volatile int hb_atomic_int_t; 56d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#if GLIB_CHECK_VERSION(2,29,5) 57d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#define hb_atomic_int_add(AI, V) g_atomic_int_add (&(AI), V) 58d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#else 59d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#define hb_atomic_int_add(AI, V) g_atomic_int_exchange_and_add (&(AI), V) 60d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#endif 61d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#define hb_atomic_int_get(AI) g_atomic_int_get (&(AI)) 622000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 632000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 64bd7ff1dec5b92ee59fa060e793f88499adcd8c11Behdad Esfahbod#elif !defined(HB_NO_MT) && defined(_MSC_VER) && _MSC_VER >= 1600 652000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 662000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod#include <intrin.h> 672000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbodtypedef long hb_atomic_int_t; 68d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#define hb_atomic_int_add(AI, V) _InterlockedExchangeAdd (&(AI), V) 69d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#define hb_atomic_int_get(AI) (_ReadBarrier (), (AI)) 702000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 71a1970d9afc15b2c6b7513b923019bb223bd95154Behdad Esfahbod#elif !defined(HB_NO_MT) && defined(__APPLE__) 72a1970d9afc15b2c6b7513b923019bb223bd95154Behdad Esfahbod 73a1970d9afc15b2c6b7513b923019bb223bd95154Behdad Esfahbod#include <libkern/OSAtomic.h> 74a1970d9afc15b2c6b7513b923019bb223bd95154Behdad Esfahbodtypedef int32_t hb_atomic_int_t; 75bc71ad4973842f25216b48842a46d6c9cbce6aa3Behdad Esfahbod#define hb_atomic_int_add(AI, V) (OSAtomicAdd32Barrier((V), &(AI)), (AI) - (V)) 76a1970d9afc15b2c6b7513b923019bb223bd95154Behdad Esfahbod#define hb_atomic_int_get(AI) OSAtomicAdd32Barrier(0, &(AI)) 772000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 782000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod#else 792000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 80bd7ff1dec5b92ee59fa060e793f88499adcd8c11Behdad Esfahbod#define HB_ATOMIC_INT_NIL 1 812000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 822000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbodtypedef volatile int hb_atomic_int_t; 83d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#define hb_atomic_int_add(AI, V) ((AI) += (V), (AI) - (V)) 84d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod#define hb_atomic_int_get(AI) (AI) 852000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 862000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod#endif 872000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 882000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 892000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 902000179487b49e0d504ec127450dc6fcb5568cecBehdad Esfahbod 91852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod/* reference_count */ 9229c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 93852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodtypedef struct { 94852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod hb_atomic_int_t ref_count; 9529c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 96852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod#define HB_REFERENCE_COUNT_INVALID_VALUE ((hb_atomic_int_t) -1) 97852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod#define HB_REFERENCE_COUNT_INVALID {HB_REFERENCE_COUNT_INVALID_VALUE} 9829c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 99852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline void init (int v) { ref_count = v; /* non-atomic is fine */ } 100d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod inline int inc (void) { return hb_atomic_int_add (ref_count, 1); } 101d5476a30a10da5e54783c8dbf04340225a9a00d7Behdad Esfahbod inline int dec (void) { return hb_atomic_int_add (ref_count, -1); } 10229c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 103a1970d9afc15b2c6b7513b923019bb223bd95154Behdad Esfahbod inline int get (void) { return hb_atomic_int_get (ref_count); } 104a1970d9afc15b2c6b7513b923019bb223bd95154Behdad Esfahbod inline int get_unsafe (void) const { return ref_count; } 105a1970d9afc15b2c6b7513b923019bb223bd95154Behdad Esfahbod inline bool is_invalid (void) const { return ref_count == HB_REFERENCE_COUNT_INVALID_VALUE; } 10629c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 107852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod} hb_reference_count_t; 10829c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 10929c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 110852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod/* user_data */ 11129c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 11221d2c92fdf7307c7117f8948021f0dd7d5a5d2a3Behdad Esfahbodstruct hb_user_data_array_t { 11329c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 11421d2c92fdf7307c7117f8948021f0dd7d5a5d2a3Behdad Esfahbod struct hb_user_data_item_t { 11521d2c92fdf7307c7117f8948021f0dd7d5a5d2a3Behdad Esfahbod hb_user_data_key_t *key; 11621d2c92fdf7307c7117f8948021f0dd7d5a5d2a3Behdad Esfahbod void *data; 11721d2c92fdf7307c7117f8948021f0dd7d5a5d2a3Behdad Esfahbod hb_destroy_func_t destroy; 118811482bd650fb5652a9835471ae8ecf0fb185611Behdad Esfahbod 11921d2c92fdf7307c7117f8948021f0dd7d5a5d2a3Behdad Esfahbod inline bool operator == (hb_user_data_key_t *other_key) const { return key == other_key; } 12021d2c92fdf7307c7117f8948021f0dd7d5a5d2a3Behdad Esfahbod inline bool operator == (hb_user_data_item_t &other) const { return key == other.key; } 12129c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 12221d2c92fdf7307c7117f8948021f0dd7d5a5d2a3Behdad Esfahbod void finish (void) { if (destroy) destroy (data); } 12321d2c92fdf7307c7117f8948021f0dd7d5a5d2a3Behdad Esfahbod }; 12429c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 12545bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod hb_lockable_set_t<hb_user_data_item_t, hb_static_mutex_t> items; 12629c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 127218e67b9eefa26e2e4fe43f99a84d082b185b1b0Behdad Esfahbod HB_INTERNAL bool set (hb_user_data_key_t *key, 128218e67b9eefa26e2e4fe43f99a84d082b185b1b0Behdad Esfahbod void * data, 12933ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod hb_destroy_func_t destroy, 13033ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod hb_bool_t replace); 13129c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 132218e67b9eefa26e2e4fe43f99a84d082b185b1b0Behdad Esfahbod HB_INTERNAL void *get (hb_user_data_key_t *key); 13329c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 13445bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod HB_INTERNAL void finish (void); 13529c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod}; 13629c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 13729c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 138852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod/* object_header */ 13929c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 140fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbodtypedef struct _hb_object_header_t hb_object_header_t; 141863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod 142fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbodstruct _hb_object_header_t { 143fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod hb_reference_count_t ref_count; 14429c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod hb_user_data_array_t user_data; 145863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod 146fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod#define HB_OBJECT_HEADER_STATIC {HB_REFERENCE_COUNT_INVALID} 147863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod 148fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod static inline void *create (unsigned int size) { 149fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod hb_object_header_t *obj = (hb_object_header_t *) calloc (1, size); 15035a7383c6138fd705560f0d4bb30659cbd1ab64cBehdad Esfahbod 151fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod if (likely (obj)) 152fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod obj->init (); 153c62b503770325819f249885dfc9d4683a69c9efdBehdad Esfahbod 154fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod return obj; 155fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod } 156ba8d94ce3360bfaf2c530d01f2af69237018a531Behdad Esfahbod 157fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod inline void init (void) { 158fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod ref_count.init (1); 159fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod } 160fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod 16129c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod inline bool is_inert (void) const { 16229c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod return unlikely (ref_count.is_invalid ()); 16329c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod } 164fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod 165fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod inline void reference (void) { 166fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod if (unlikely (!this || this->is_inert ())) 167fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod return; 168fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod ref_count.inc (); 169fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod } 170fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod 171fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod inline bool destroy (void) { 172fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod if (unlikely (!this || this->is_inert ())) 173fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod return false; 17429c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod if (ref_count.dec () != 1) 17529c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod return false; 17629c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 177df077fadd7828b609bdfe4dbcad52ef2448525c7Behdad Esfahbod ref_count.init (HB_REFERENCE_COUNT_INVALID_VALUE); 178df077fadd7828b609bdfe4dbcad52ef2448525c7Behdad Esfahbod 17929c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod user_data.finish (); 18029c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 18129c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod return true; 18229c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod } 18329c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 18429c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod inline bool set_user_data (hb_user_data_key_t *key, 18529c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod void * data, 18633ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod hb_destroy_func_t destroy_func, 18733ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod hb_bool_t replace) { 18829c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod if (unlikely (!this || this->is_inert ())) 18929c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod return false; 19029c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 19133ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod return user_data.set (key, data, destroy_func, replace); 19229c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod } 19329c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod 19429c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod inline void *get_user_data (hb_user_data_key_t *key) { 19529c67d3f70b081766a6c01353980f457f38aeb12Behdad Esfahbod return user_data.get (key); 196fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod } 197fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod 198fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod inline void trace (const char *function) const { 199cf26510dbbd8d38486e6ba423800db6427ade332Behdad Esfahbod if (unlikely (!this)) return; 200cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod DEBUG_MSG (OBJECT, (void *) this, 201cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod "refcount=%d %s", 202a1970d9afc15b2c6b7513b923019bb223bd95154Behdad Esfahbod this ? ref_count.get_unsafe () : 0, 203cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod function); 204fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod } 205fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod 206fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod}; 207fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod 208fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod 209ec6f9c2fd03a49d1e91cbaefa5bdbbfb35dff92eBehdad Esfahbod 210852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 211852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod/* object */ 212852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 213ec6f9c2fd03a49d1e91cbaefa5bdbbfb35dff92eBehdad Esfahbodtemplate <typename Type> 214ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbodstatic inline void hb_object_trace (const Type *obj, const char *function) 215ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod{ 216ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod obj->header.trace (function); 217ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod} 218ec6f9c2fd03a49d1e91cbaefa5bdbbfb35dff92eBehdad Esfahbodtemplate <typename Type> 2191cd5969f253528b1fc05a06c7a9f222baa29f68dBehdad Esfahbodstatic inline Type *hb_object_create (void) 220ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod{ 221ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod Type *obj = (Type *) hb_object_header_t::create (sizeof (Type)); 222ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod hb_object_trace (obj, HB_FUNC); 223ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod return obj; 224ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod} 225ec6f9c2fd03a49d1e91cbaefa5bdbbfb35dff92eBehdad Esfahbodtemplate <typename Type> 226ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbodstatic inline bool hb_object_is_inert (const Type *obj) 227ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod{ 2281cd5969f253528b1fc05a06c7a9f222baa29f68dBehdad Esfahbod return unlikely (obj->header.is_inert ()); 229ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod} 230ec6f9c2fd03a49d1e91cbaefa5bdbbfb35dff92eBehdad Esfahbodtemplate <typename Type> 231ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbodstatic inline Type *hb_object_reference (Type *obj) 232ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod{ 233ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod hb_object_trace (obj, HB_FUNC); 234ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod obj->header.reference (); 235ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod return obj; 236ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod} 237ec6f9c2fd03a49d1e91cbaefa5bdbbfb35dff92eBehdad Esfahbodtemplate <typename Type> 238ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbodstatic inline bool hb_object_destroy (Type *obj) 239ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod{ 240ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod hb_object_trace (obj, HB_FUNC); 241ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod return obj->header.destroy (); 242ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod} 243852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodtemplate <typename Type> 244852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodstatic inline bool hb_object_set_user_data (Type *obj, 245852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod hb_user_data_key_t *key, 246852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod void * data, 24733ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod hb_destroy_func_t destroy, 24833ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod hb_bool_t replace) 249852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod{ 25033ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod return obj->header.set_user_data (key, data, destroy, replace); 251852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod} 252852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 253852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodtemplate <typename Type> 254852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodstatic inline void *hb_object_get_user_data (Type *obj, 255852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod hb_user_data_key_t *key) 256852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod{ 257852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return obj->header.get_user_data (key); 258852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod} 259ae008b90cfc2028e878100f78b21d70f923a6044Behdad Esfahbod 260ec6f9c2fd03a49d1e91cbaefa5bdbbfb35dff92eBehdad Esfahbod 261ec6f9c2fd03a49d1e91cbaefa5bdbbfb35dff92eBehdad Esfahbod 262ec6f9c2fd03a49d1e91cbaefa5bdbbfb35dff92eBehdad Esfahbod 263863df68e894b7644dcd12da88aa22f73edf829dcBehdad Esfahbod 264c57d454accff66e5f2c58006e8fb40bc020b6182Behdad Esfahbod#endif /* HB_OBJECT_PRIVATE_HH */ 265