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/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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.
*/
/*
* Modified by the GLib Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __G_MEM_H__
#define __G_MEM_H__
#include <glib/gslice.h>
#include <glib/gtypes.h>
G_BEGIN_DECLS
typedef struct _GMemVTable GMemVTable;
#if GLIB_SIZEOF_VOID_P > GLIB_SIZEOF_LONG
# define G_MEM_ALIGN GLIB_SIZEOF_VOID_P
#else /* GLIB_SIZEOF_VOID_P <= GLIB_SIZEOF_LONG */
# define G_MEM_ALIGN GLIB_SIZEOF_LONG
#endif /* GLIB_SIZEOF_VOID_P <= GLIB_SIZEOF_LONG */
/* Memory allocation functions
*/
gpointer g_malloc (gulong n_bytes) G_GNUC_MALLOC;
gpointer g_malloc0 (gulong n_bytes) G_GNUC_MALLOC;
gpointer g_realloc (gpointer mem,
gulong n_bytes) G_GNUC_WARN_UNUSED_RESULT;
void g_free (gpointer mem);
gpointer g_try_malloc (gulong n_bytes) G_GNUC_MALLOC;
gpointer g_try_malloc0 (gulong n_bytes) G_GNUC_MALLOC;
gpointer g_try_realloc (gpointer mem,
gulong n_bytes) G_GNUC_WARN_UNUSED_RESULT;
/* Convenience memory allocators
*/
#define g_new(struct_type, n_structs) \
((struct_type *) g_malloc (((gsize) sizeof (struct_type)) * ((gsize) (n_structs))))
#define g_new0(struct_type, n_structs) \
((struct_type *) g_malloc0 (((gsize) sizeof (struct_type)) * ((gsize) (n_structs))))
#define g_renew(struct_type, mem, n_structs) \
((struct_type *) g_realloc ((mem), ((gsize) sizeof (struct_type)) * ((gsize) (n_structs))))
#define g_try_new(struct_type, n_structs) \
((struct_type *) g_try_malloc (((gsize) sizeof (struct_type)) * ((gsize) (n_structs))))
#define g_try_new0(struct_type, n_structs) \
((struct_type *) g_try_malloc0 (((gsize) sizeof (struct_type)) * ((gsize) (n_structs))))
#define g_try_renew(struct_type, mem, n_structs) \
((struct_type *) g_try_realloc ((mem), ((gsize) sizeof (struct_type)) * ((gsize) (n_structs))))
/* Memory allocation virtualization for debugging purposes
* g_mem_set_vtable() has to be the very first GLib function called
* if being used
*/
struct _GMemVTable
{
gpointer (*malloc) (gsize n_bytes);
gpointer (*realloc) (gpointer mem,
gsize n_bytes);
void (*free) (gpointer mem);
/* optional; set to NULL if not used ! */
gpointer (*calloc) (gsize n_blocks,
gsize n_block_bytes);
gpointer (*try_malloc) (gsize n_bytes);
gpointer (*try_realloc) (gpointer mem,
gsize n_bytes);
};
void g_mem_set_vtable (GMemVTable *vtable);
gboolean g_mem_is_system_malloc (void);
GLIB_VAR gboolean g_mem_gc_friendly;
/* Memory profiler and checker, has to be enabled via g_mem_set_vtable()
*/
GLIB_VAR GMemVTable *glib_mem_profiler_table;
void g_mem_profile (void);
/* deprecated memchunks and allocators */
#if !defined (G_DISABLE_DEPRECATED) || defined (GTK_COMPILATION) || defined (GDK_COMPILATION)
typedef struct _GAllocator GAllocator;
typedef struct _GMemChunk GMemChunk;
#define g_mem_chunk_create(type, pre_alloc, alloc_type) ( \
g_mem_chunk_new (#type " mem chunks (" #pre_alloc ")", \
sizeof (type), \
sizeof (type) * (pre_alloc), \
(alloc_type)) \
)
#define g_chunk_new(type, chunk) ( \
(type *) g_mem_chunk_alloc (chunk) \
)
#define g_chunk_new0(type, chunk) ( \
(type *) g_mem_chunk_alloc0 (chunk) \
)
#define g_chunk_free(mem, mem_chunk) G_STMT_START { \
g_mem_chunk_free ((mem_chunk), (mem)); \
} G_STMT_END
#define G_ALLOC_ONLY 1
#define G_ALLOC_AND_FREE 2
GMemChunk* g_mem_chunk_new (const gchar *name,
gint atom_size,
gulong area_size,
gint type);
void g_mem_chunk_destroy (GMemChunk *mem_chunk);
gpointer g_mem_chunk_alloc (GMemChunk *mem_chunk);
gpointer g_mem_chunk_alloc0 (GMemChunk *mem_chunk);
void g_mem_chunk_free (GMemChunk *mem_chunk,
gpointer mem);
void g_mem_chunk_clean (GMemChunk *mem_chunk);
void g_mem_chunk_reset (GMemChunk *mem_chunk);
void g_mem_chunk_print (GMemChunk *mem_chunk);
void g_mem_chunk_info (void);
void g_blow_chunks (void);
GAllocator*g_allocator_new (const gchar *name,
guint n_preallocs);
void g_allocator_free (GAllocator *allocator);
#define G_ALLOCATOR_LIST (1)
#define G_ALLOCATOR_SLIST (2)
#define G_ALLOCATOR_NODE (3)
#endif /* G_DISABLE_DEPRECATED */
G_END_DECLS
#endif /* __G_MEM_H__ */
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