1 | /* grcbox.h: Reference counted data |
2 | * |
3 | * Copyright 2018 Emmanuele Bassi |
4 | * |
5 | * This library is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public |
7 | * License as published by the Free Software Foundation; either |
8 | * version 2.1 of the License, or (at your option) any later version. |
9 | * |
10 | * This library is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU Lesser General Public |
16 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
17 | */ |
18 | |
19 | #pragma once |
20 | |
21 | #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) |
22 | #error "Only <glib.h> can be included directly." |
23 | #endif |
24 | |
25 | #include <glib/gmem.h> |
26 | |
27 | #if defined(glib_typeof_2_68) && GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_68 |
28 | /* for glib_typeof */ |
29 | #include <type_traits> |
30 | #endif |
31 | |
32 | G_BEGIN_DECLS |
33 | |
34 | GLIB_AVAILABLE_IN_2_58 |
35 | gpointer g_rc_box_alloc (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); |
36 | GLIB_AVAILABLE_IN_2_58 |
37 | gpointer g_rc_box_alloc0 (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); |
38 | GLIB_AVAILABLE_IN_2_58 |
39 | gpointer g_rc_box_dup (gsize block_size, |
40 | gconstpointer mem_block) G_GNUC_ALLOC_SIZE(1); |
41 | GLIB_AVAILABLE_IN_2_58 |
42 | gpointer g_rc_box_acquire (gpointer mem_block); |
43 | GLIB_AVAILABLE_IN_2_58 |
44 | void g_rc_box_release (gpointer mem_block); |
45 | GLIB_AVAILABLE_IN_2_58 |
46 | void g_rc_box_release_full (gpointer mem_block, |
47 | GDestroyNotify clear_func); |
48 | |
49 | GLIB_AVAILABLE_IN_2_58 |
50 | gsize g_rc_box_get_size (gpointer mem_block); |
51 | |
52 | GLIB_AVAILABLE_IN_2_58 |
53 | gpointer g_atomic_rc_box_alloc (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); |
54 | GLIB_AVAILABLE_IN_2_58 |
55 | gpointer g_atomic_rc_box_alloc0 (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); |
56 | GLIB_AVAILABLE_IN_2_58 |
57 | gpointer g_atomic_rc_box_dup (gsize block_size, |
58 | gconstpointer mem_block) G_GNUC_ALLOC_SIZE(1); |
59 | GLIB_AVAILABLE_IN_2_58 |
60 | gpointer g_atomic_rc_box_acquire (gpointer mem_block); |
61 | GLIB_AVAILABLE_IN_2_58 |
62 | void g_atomic_rc_box_release (gpointer mem_block); |
63 | GLIB_AVAILABLE_IN_2_58 |
64 | void g_atomic_rc_box_release_full (gpointer mem_block, |
65 | GDestroyNotify clear_func); |
66 | |
67 | GLIB_AVAILABLE_IN_2_58 |
68 | gsize g_atomic_rc_box_get_size (gpointer mem_block); |
69 | |
70 | #define g_rc_box_new(type) \ |
71 | ((type *) g_rc_box_alloc (sizeof (type))) |
72 | #define g_rc_box_new0(type) \ |
73 | ((type *) g_rc_box_alloc0 (sizeof (type))) |
74 | #define g_atomic_rc_box_new(type) \ |
75 | ((type *) g_atomic_rc_box_alloc (sizeof (type))) |
76 | #define g_atomic_rc_box_new0(type) \ |
77 | ((type *) g_atomic_rc_box_alloc0 (sizeof (type))) |
78 | |
79 | #if defined(glib_typeof) && (!defined(glib_typeof_2_68) || GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_68) |
80 | /* Type check to avoid assigning references to different types */ |
81 | #define g_rc_box_acquire(mem_block) \ |
82 | ((glib_typeof (mem_block)) (g_rc_box_acquire) (mem_block)) |
83 | #define g_atomic_rc_box_acquire(mem_block) \ |
84 | ((glib_typeof (mem_block)) (g_atomic_rc_box_acquire) (mem_block)) |
85 | |
86 | /* Type check to avoid duplicating data to different types */ |
87 | #define g_rc_box_dup(block_size, mem_block) \ |
88 | ((glib_typeof (mem_block)) (g_rc_box_dup) (block_size, mem_block)) |
89 | #define g_atomic_rc_box_dup(block_size, mem_block) \ |
90 | ((glib_typeof (mem_block)) (g_atomic_rc_box_dup) (block_size, mem_block)) |
91 | #endif |
92 | |
93 | G_END_DECLS |
94 | |