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i_I|+ /* GLIB sliced memory - fast threaded memory chunk allocator
* Copyright (C) 2005 Tim Janik
*
* 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 .
*/
#ifndef __G_SLICE_H__
#define __G_SLICE_H__
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only can be included directly."
#endif
#include
#include
G_BEGIN_DECLS
/* slices - fast allocation/release of small memory blocks
*/
GLIB_AVAILABLE_IN_ALL
gpointer g_slice_alloc (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_ALL
gpointer g_slice_alloc0 (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_ALL
gpointer g_slice_copy (gsize block_size,
gconstpointer mem_block) G_GNUC_ALLOC_SIZE(1);
GLIB_AVAILABLE_IN_ALL
void g_slice_free1 (gsize block_size,
gpointer mem_block);
GLIB_AVAILABLE_IN_ALL
void g_slice_free_chain_with_offset (gsize block_size,
gpointer mem_chain,
gsize next_offset);
#define g_slice_new(type) ((type*) g_slice_alloc (sizeof (type)))
/* Allow the compiler to inline memset(). Since the size is a constant, this
* can significantly improve performance. */
#if defined (__GNUC__) && (__GNUC__ >= 2) && defined (__OPTIMIZE__)
# define g_slice_new0(type) \
(type *) (G_GNUC_EXTENSION ({ \
gsize __s = sizeof (type); \
gpointer __p; \
__p = g_slice_alloc (__s); \
memset (__p, 0, __s); \
__p; \
}))
#else
# define g_slice_new0(type) ((type*) g_slice_alloc0 (sizeof (type)))
#endif
/* MemoryBlockType *
* g_slice_dup (MemoryBlockType,
* MemoryBlockType *mem_block);
* g_slice_free (MemoryBlockType,
* MemoryBlockType *mem_block);
* g_slice_free_chain (MemoryBlockType,
* MemoryBlockType *first_chain_block,
* memory_block_next_field);
* pseudo prototypes for the macro
* definitions following below.
*/
/* we go through extra hoops to ensure type safety */
#define g_slice_dup(type, mem) \
(1 ? (type*) g_slice_copy (sizeof (type), (mem)) \
: ((void) ((type*) 0 == (mem)), (type*) 0))
#define g_slice_free(type, mem) \
G_STMT_START { \
if (1) g_slice_free1 (sizeof (type), (mem)); \
else (void) ((type*) 0 == (mem)); \
} G_STMT_END
#define g_slice_free_chain(type, m