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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* hgallocator.h
* Copyright (C) 2006-2011 Akira TAGOH
*
* Authors:
* Akira TAGOH <akira@tagoh.org>
*
* 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 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__HG_H_INSIDE__) && !defined (HG_COMPILATION)
#error "Only <hieroglyph/hg.h> can be included directly."
#endif
#ifndef __HIEROGLYPH_HGALLOCATOR_H__
#define __HIEROGLYPH_HGALLOCATOR_H__
#include <hieroglyph/hgtypes.h>
#include <hieroglyph/hgerror.h>
/* XXX: GLib is still needed to satisfy the GHashTable dependency */
#include <glib.h>
HG_BEGIN_DECLS
typedef struct _hg_allocator_data_t hg_allocator_data_t;
typedef struct _hg_allocator_snapshot_data_t hg_allocator_snapshot_data_t;
typedef struct _hg_mem_vtable_t hg_mem_vtable_t;
typedef enum _hg_mem_flags_t hg_mem_flags_t;
/**
* hg_allocator_data_t:
* @total_size:
* @used_size:
* @resizable:
*
* FIXME
*/
struct _hg_allocator_data_t {
hg_usize_t total_size;
hg_usize_t used_size;
hg_bool_t resizable;
};
/**
* hg_allocator_snapshot_data_t:
* @total_size:
* @used_size:
*
* FIXME
*/
struct _hg_allocator_snapshot_data_t {
hg_usize_t total_size;
hg_usize_t used_size;
};
/**
* hg_mem_flags_t:
* @HG_MEM_RESTORABLE:
*
* FIXME
*/
enum _hg_mem_flags_t {
HG_MEM_RESTORABLE = 1 << 0,
};
/**
* hg_mem_vtable_t:
* @initialize:
* @finalize:
* @expand_heap:
* @get_max_heap_size:
* @alloc:
* @realloc:
* @free:
* @lock_object:
* @unlock_object:
* @gc_init:
* @gc_mark:
* @gc_finish:
* @save_snapshot:
* @restore_snapshot:
* @destroy_snapshot:
*
* FIXME
*/
struct _hg_mem_vtable_t {
hg_pointer_t (* initialize) (void);
void (* finalize) (hg_allocator_data_t *data);
hg_bool_t (* expand_heap) (hg_allocator_data_t *data,
hg_usize_t size);
hg_usize_t (* get_max_heap_size) (hg_allocator_data_t *data);
hg_quark_t (* alloc) (hg_allocator_data_t *data,
hg_usize_t size,
hg_uint_t flags,
hg_pointer_t *ret);
hg_quark_t (* realloc) (hg_allocator_data_t *data,
hg_quark_t quark,
hg_usize_t size,
hg_pointer_t *ret);
void (* free) (hg_allocator_data_t *data,
hg_quark_t quark);
hg_pointer_t (* lock_object) (hg_allocator_data_t *data,
hg_quark_t quark);
void (* unlock_object) (hg_allocator_data_t *data,
hg_quark_t quark);
hg_bool_t (* gc_init) (hg_allocator_data_t *data);
hg_error_t (* gc_mark) (hg_allocator_data_t *data,
hg_quark_t quark);
hg_error_t (* gc_finish) (hg_allocator_data_t *data,
hg_error_t error);
hg_allocator_snapshot_data_t * (* save_snapshot) (hg_allocator_data_t *data);
hg_bool_t (* restore_snapshot) (hg_allocator_data_t *data,
hg_allocator_snapshot_data_t *snapshot,
GHashTable *references);
void (* destroy_snapshot) (hg_allocator_data_t *data,
hg_allocator_snapshot_data_t *snapshot);
};
hg_mem_vtable_t *hg_allocator_get_vtable (void) G_GNUC_CONST;
HG_END_DECLS
#endif /* __HIEROGLYPH_HGALLOCATOR_H__ */
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