1 /* GLIB sliced memory - fast threaded memory chunk allocator
2 * Copyright (C) 2005 Tim Janik
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
21 #error "Only <glib.h> can be included directly."
27 #include <glib/gtypes.h>
31 /* slices - fast allocation/release of small memory blocks
33 gpointer g_slice_alloc (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
34 gpointer g_slice_alloc0 (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
35 gpointer g_slice_copy (gsize block_size,
36 gconstpointer mem_block) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
37 void g_slice_free1 (gsize block_size,
39 void g_slice_free_chain_with_offset (gsize block_size,
42 #define g_slice_new(type) ((type*) g_slice_alloc (sizeof (type)))
43 #define g_slice_new0(type) ((type*) g_slice_alloc0 (sizeof (type)))
45 * g_slice_dup (MemoryBlockType,
46 * MemoryBlockType *mem_block);
47 * g_slice_free (MemoryBlockType,
48 * MemoryBlockType *mem_block);
49 * g_slice_free_chain (MemoryBlockType,
50 * MemoryBlockType *first_chain_block,
51 * memory_block_next_field);
52 * pseudo prototypes for the macro
53 * definitions following below.
56 /* we go through extra hoops to ensure type safety */
57 #define g_slice_dup(type, mem) \
58 (1 ? (type*) g_slice_copy (sizeof (type), (mem)) \
59 : ((void) ((type*) 0 == (mem)), (type*) 0))
60 #define g_slice_free(type, mem) do { \
61 if (1) g_slice_free1 (sizeof (type), (mem)); \
62 else (void) ((type*) 0 == (mem)); \
64 #define g_slice_free_chain(type, mem_chain, next) do { \
65 if (1) g_slice_free_chain_with_offset (sizeof (type), \
66 (mem_chain), G_STRUCT_OFFSET (type, next)); \
67 else (void) ((type*) 0 == (mem_chain)); \
71 /* --- internal debugging API --- */
73 G_SLICE_CONFIG_ALWAYS_MALLOC = 1,
74 G_SLICE_CONFIG_BYPASS_MAGAZINES,
75 G_SLICE_CONFIG_WORKING_SET_MSECS,
76 G_SLICE_CONFIG_COLOR_INCREMENT,
77 G_SLICE_CONFIG_CHUNK_SIZES,
78 G_SLICE_CONFIG_CONTENTION_COUNTER
80 void g_slice_set_config (GSliceConfig ckey, gint64 value);
81 gint64 g_slice_get_config (GSliceConfig ckey);
82 gint64* g_slice_get_config_state (GSliceConfig ckey, gint64 address, guint *n_values);
86 #endif /* __G_SLICE_H__ */