Source code
Revision control
Copy as Markdown
Other Tools
/* Cairo - a vector graphics library with display and print output
*
* Copyright © 2007 Chris Wilson
* Copyright © 2009 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it either under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation
* (the "LGPL") or, at your option, under the terms of the Mozilla
* Public License Version 1.1 (the "MPL"). If you do not alter this
* notice, a recipient may use your version of this file under either
* the MPL or the LGPL.
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING-LGPL-2.1; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
* You should have received a copy of the MPL along with this library
* in the file COPYING-MPL-1.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
* OF ANY KIND, either express or implied. See the LGPL or the MPL for
* the specific language governing rights and limitations.
*
* The Original Code is the cairo graphics library.
*
* The Initial Developer of the Original Code is Red Hat, Inc.
*
* Contributors(s):
* Chris Wilson <chris@chris-wilson.co.uk>
*/
#ifndef CAIRO_MEMPOOL_PRIVATE_H
#define CAIRO_MEMPOOL_PRIVATE_H
#include "cairo-compiler-private.h"
#include "cairo-error-private.h"
#include <stddef.h> /* for size_t */
CAIRO_BEGIN_DECLS
typedef struct _cairo_mempool cairo_mempool_t;
struct _cairo_mempool {
char *base;
struct _cairo_memblock {
int bits;
cairo_list_t link;
} *blocks;
cairo_list_t free[32];
unsigned char *map;
unsigned int num_blocks;
int min_bits; /* Minimum block size is 1 << min_bits */
int num_sizes;
int max_free_bits;
size_t free_bytes;
size_t max_bytes;
};
cairo_private cairo_status_t
_cairo_mempool_init (cairo_mempool_t *pool,
void *base,
size_t bytes,
int min_bits,
int num_sizes);
cairo_private void *
_cairo_mempool_alloc (cairo_mempool_t *pi, size_t bytes);
cairo_private void
_cairo_mempool_free (cairo_mempool_t *pi, void *storage);
cairo_private void
_cairo_mempool_fini (cairo_mempool_t *pool);
CAIRO_END_DECLS
#endif /* CAIRO_MEMPOOL_PRIVATE_H */