/src/cairo/src/cairo-freed-pool.c

Source (jump to first uncovered line)
/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
/* cairo - a vector graphics library with display and print output
 *
 * Copyright © 2009 Chris Wilson
 *
 * 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
 * http://www.mozilla.org/MPL/
 *
 * 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 University of Southern
 * California.
 *
 * Contributor(s):
 *  Chris Wilson <chris@chris-wilson.co.uk>
 */

#include "cairoint.h"

#include "cairo-freed-pool-private.h"

#if HAS_FREED_POOL

void *
_freed_pool_get_search (freed_pool_t *pool)
{
    void *ptr;
    int i;

    for (i = ARRAY_LENGTH (pool->pool); i--;) {
  ptr = _atomic_fetch (&pool->pool[i]);
  if (ptr != NULL) {
      _cairo_atomic_int_set_relaxed (&pool->top, i);
      return ptr;
  }
    }

    /* empty */
    _cairo_atomic_int_set_relaxed (&pool->top, 0);
    return NULL;
}

void
_freed_pool_put_search (freed_pool_t *pool, void *ptr)
{
    int i;

    for (i = 0; i < ARRAY_LENGTH (pool->pool); i++) {
  if (_atomic_store (&pool->pool[i], ptr)) {
      _cairo_atomic_int_set_relaxed (&pool->top, i + 1);
      return;
  }
    }

    /* full */
    _cairo_atomic_int_set_relaxed (&pool->top, i);
    free (ptr);
}

void
_freed_pool_reset (freed_pool_t *pool)
{
    int i;

    for (i = 0; i < ARRAY_LENGTH (pool->pool); i++) {
  free (_atomic_fetch (&pool->pool[i]));
    }

    _cairo_atomic_int_set_relaxed (&pool->top, 0);
}

#endif

Line	Count	Source (jump to first uncovered line)
1		/* -- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -- */
2		/* cairo - a vector graphics library with display and print output
3		*
4		* Copyright © 2009 Chris Wilson
5		*
6		* This library is free software; you can redistribute it and/or
7		* modify it either under the terms of the GNU Lesser General Public
8		* License version 2.1 as published by the Free Software Foundation
9		* (the "LGPL") or, at your option, under the terms of the Mozilla
10		* Public License Version 1.1 (the "MPL"). If you do not alter this
11		* notice, a recipient may use your version of this file under either
12		* the MPL or the LGPL.
13		*
14		* You should have received a copy of the LGPL along with this library
15		* in the file COPYING-LGPL-2.1; if not, write to the Free Software
16		* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
17		* You should have received a copy of the MPL along with this library
18		* in the file COPYING-MPL-1.1
19		*
20		* The contents of this file are subject to the Mozilla Public License
21		* Version 1.1 (the "License"); you may not use this file except in
22		* compliance with the License. You may obtain a copy of the License at
23		* http://www.mozilla.org/MPL/
24		*
25		* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
26		* OF ANY KIND, either express or implied. See the LGPL or the MPL for
27		* the specific language governing rights and limitations.
28		*
29		* The Original Code is the cairo graphics library.
30		*
31		* The Initial Developer of the Original Code is University of Southern
32		* California.
33		*
34		* Contributor(s):
35		* Chris Wilson <chris@chris-wilson.co.uk>
36		*/
37
38		#include "cairoint.h"
39
40		#include "cairo-freed-pool-private.h"
41
42		#if HAS_FREED_POOL
43
44		void *
45		_freed_pool_get_search (freed_pool_t *pool)
46	2.54k	{
47	2.54k	void *ptr;
48	2.54k	int i;
49
50	43.2k	for (i = ARRAY_LENGTH (pool->pool); i--;) {
51	40.7k	ptr = _atomic_fetch (&pool->pool[i]);
52	40.7k	if (ptr != NULL) {
53	0	_cairo_atomic_int_set_relaxed (&pool->top, i);
54	0	return ptr;
55	0	}
56	40.7k	}
57
58		/* empty */
59	2.54k	_cairo_atomic_int_set_relaxed (&pool->top, 0);
60	2.54k	return NULL;
61	2.54k	}
62
63		void
64		_freed_pool_put_search (freed_pool_t pool, void ptr)
65	3.48k	{
66	3.48k	int i;
67
68	59.2k	for (i = 0; i < ARRAY_LENGTH (pool->pool); i++) {
69	55.7k	if (_atomic_store (&pool->pool[i], ptr)) {
70	0	_cairo_atomic_int_set_relaxed (&pool->top, i + 1);
71	0	return;
72	0	}
73	55.7k	}
74
75		/* full */
76	3.48k	_cairo_atomic_int_set_relaxed (&pool->top, i);
77	3.48k	free (ptr);
78	3.48k	}
79
80		void
81		_freed_pool_reset (freed_pool_t *pool)
82	0	{
83	0	int i;
84
85	0	for (i = 0; i < ARRAY_LENGTH (pool->pool); i++) {
86	0	free (_atomic_fetch (&pool->pool[i]));
87	0	}
88
89	0	_cairo_atomic_int_set_relaxed (&pool->top, 0);
90	0	}
91
92		#endif

Coverage Report

Created: 2025-07-23 08:13