forked from KolibriOS/kolibrios
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
|
/* -*- 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) {
|
||
|
|
pool->top = i;
|
||
|
|
return ptr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* empty */
|
||
|
|
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)) {
|
||
|
|
pool->top = i + 1;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* full */
|
||
|
|
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 (pool->pool[i]);
|
||
|
|
pool->pool[i] = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
pool->top = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|