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