/* 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> #if defined(glib_typeof_2_68) && GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_68 /* for glib_typeof */ #include <type_traits> #endif 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) && (!defined(glib_typeof_2_68) || GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_68) /* 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