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