glib/glib/grcbox.h
Xavier Claessens 090d65712d glib_typeof: Move definition to its own header
It is cleaner to define glib_typeof() in a header included after
gversionmacros.h so we can use GLIB_VERSION_MIN_REQUIRED directly
instead of doing it everywhere glib_typeof() is used.
2021-05-17 12:07:30 -04:00

90 lines
3.7 KiB
C

/* grcbox.h: Reference counted data
*
* Copyright 2018 Emmanuele Bassi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#include <glib/gmem.h>
#include <glib/glib-typeof.h>
G_BEGIN_DECLS
GLIB_AVAILABLE_IN_2_58
gpointer g_rc_box_alloc (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer g_rc_box_alloc0 (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer g_rc_box_dup (gsize block_size,
gconstpointer mem_block) G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer g_rc_box_acquire (gpointer mem_block);
GLIB_AVAILABLE_IN_2_58
void g_rc_box_release (gpointer mem_block);
GLIB_AVAILABLE_IN_2_58
void g_rc_box_release_full (gpointer mem_block,
GDestroyNotify clear_func);
GLIB_AVAILABLE_IN_2_58
gsize g_rc_box_get_size (gpointer mem_block);
GLIB_AVAILABLE_IN_2_58
gpointer g_atomic_rc_box_alloc (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer g_atomic_rc_box_alloc0 (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer g_atomic_rc_box_dup (gsize block_size,
gconstpointer mem_block) G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_2_58
gpointer g_atomic_rc_box_acquire (gpointer mem_block);
GLIB_AVAILABLE_IN_2_58
void g_atomic_rc_box_release (gpointer mem_block);
GLIB_AVAILABLE_IN_2_58
void g_atomic_rc_box_release_full (gpointer mem_block,
GDestroyNotify clear_func);
GLIB_AVAILABLE_IN_2_58
gsize g_atomic_rc_box_get_size (gpointer mem_block);
#define g_rc_box_new(type) \
((type *) g_rc_box_alloc (sizeof (type)))
#define g_rc_box_new0(type) \
((type *) g_rc_box_alloc0 (sizeof (type)))
#define g_atomic_rc_box_new(type) \
((type *) g_atomic_rc_box_alloc (sizeof (type)))
#define g_atomic_rc_box_new0(type) \
((type *) g_atomic_rc_box_alloc0 (sizeof (type)))
#if defined(glib_typeof)
/* Type check to avoid assigning references to different types */
#define g_rc_box_acquire(mem_block) \
((glib_typeof (mem_block)) (g_rc_box_acquire) (mem_block))
#define g_atomic_rc_box_acquire(mem_block) \
((glib_typeof (mem_block)) (g_atomic_rc_box_acquire) (mem_block))
/* Type check to avoid duplicating data to different types */
#define g_rc_box_dup(block_size, mem_block) \
((glib_typeof (mem_block)) (g_rc_box_dup) (block_size, mem_block))
#define g_atomic_rc_box_dup(block_size, mem_block) \
((glib_typeof (mem_block)) (g_atomic_rc_box_dup) (block_size, mem_block))
#endif
G_END_DECLS