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/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
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/* cairo - a vector graphics library with display and print output
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 *
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 * Copyright © 2009 Chris Wilson
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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 University of Southern
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 * California.
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 *
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 * Contributor(s):
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 *	Chris Wilson <chris@chris-wilson.co.uk>
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 */
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#include "cairoint.h"
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#include "cairo-freed-pool-private.h"
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#if HAS_FREED_POOL
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void *
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_freed_pool_get_search (freed_pool_t *pool)
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{
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    void *ptr;
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    int i;
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311400
    for (i = ARRAY_LENGTH (pool->pool); i--;) {
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298838
	ptr = _atomic_fetch (&pool->pool[i]);
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	if (ptr != NULL) {
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	    _cairo_atomic_int_set_relaxed (&pool->top, i);
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	    return ptr;
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	}
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    }
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    /* empty */
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    _cairo_atomic_int_set_relaxed (&pool->top, 0);
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    return NULL;
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}
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void
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_freed_pool_put_search (freed_pool_t *pool, void *ptr)
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{
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    int i;
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    for (i = 0; i < ARRAY_LENGTH (pool->pool); i++) {
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	if (_atomic_store (&pool->pool[i], ptr)) {
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	    _cairo_atomic_int_set_relaxed (&pool->top, i + 1);
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	    return;
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	}
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    }
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    /* full */
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    _cairo_atomic_int_set_relaxed (&pool->top, i);
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    free (ptr);
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}
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void
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_freed_pool_reset (freed_pool_t *pool)
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{
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    int i;
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    for (i = 0; i < ARRAY_LENGTH (pool->pool); i++) {
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	free (_atomic_fetch (&pool->pool[i]));
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    }
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    _cairo_atomic_int_set_relaxed (&pool->top, 0);
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}
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#endif