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<h1>mem.h</h1><div class="fragment"><pre>00001 <span class="comment">/*</span>
00002 <span class="comment"> * Copyright (c) 2001, Swedish Institute of Computer Science.</span>
00003 <span class="comment"> * All rights reserved. </span>
00004 <span class="comment"> *</span>
00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without </span>
00006 <span class="comment"> * modification, are permitted provided that the following conditions </span>
00007 <span class="comment"> * are met: </span>
00008 <span class="comment"> * 1. Redistributions of source code must retain the above copyright </span>
00009 <span class="comment"> * notice, this list of conditions and the following disclaimer. </span>
00010 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright </span>
00011 <span class="comment"> * notice, this list of conditions and the following disclaimer in the </span>
00012 <span class="comment"> * documentation and/or other materials provided with the distribution. </span>
00013 <span class="comment"> * 3. Neither the name of the Institute nor the names of its contributors </span>
00014 <span class="comment"> * may be used to endorse or promote products derived from this software </span>
00015 <span class="comment"> * without specific prior written permission. </span>
00016 <span class="comment"> *</span>
00017 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND </span>
00018 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE </span>
00019 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE </span>
00020 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE </span>
00021 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL </span>
00022 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS </span>
00023 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) </span>
00024 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT </span>
00025 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY </span>
00026 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF </span>
00027 <span class="comment"> * SUCH DAMAGE. </span>
00028 <span class="comment"> *</span>
00029 <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span>
00030 <span class="comment"> * </span>
00031 <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span>
00032 <span class="comment"> *</span>
00033 <span class="comment"> * $Id$</span>
00034 <span class="comment"> */</span>
00035 <span class="preprocessor">#ifndef __LWIP_MEM_H__</span>
00036 <span class="preprocessor"></span><span class="preprocessor">#define __LWIP_MEM_H__</span>
00037 <span class="preprocessor"></span>
00038 <span class="preprocessor">#include <ubixos/types.h></span>
00039
00040 <span class="preprocessor">#include "net/debug.h"</span>
00041 <span class="preprocessor">#include "net/opt.h"</span>
00042 <span class="preprocessor">#include "net/arch.h"</span>
00043
00044 <span class="preprocessor">#if MEM_SIZE > 64000l</span>
00045 <span class="preprocessor"></span><span class="keyword">typedef</span> uInt32 mem_size_t;
00046 <span class="preprocessor">#else</span>
00047 <span class="preprocessor"></span><span class="keyword">typedef</span> uInt16 mem_size_t;
00048 <span class="preprocessor">#endif </span><span class="comment">/* MEM_SIZE > 64000 */</span>
00049
00050
00051 <span class="keywordtype">void</span> mem_init(<span class="keywordtype">void</span>);
00052
00053 <span class="keywordtype">void</span> *mem_malloc(mem_size_t size);
00054 <span class="keywordtype">void</span> *mem_malloc2(mem_size_t size);
00055 <span class="keywordtype">void</span> mem_free(<span class="keywordtype">void</span> *mem);
00056 <span class="keywordtype">void</span> *mem_realloc(<span class="keywordtype">void</span> *mem, mem_size_t size);
00057 <span class="keywordtype">void</span> *mem_reallocm(<span class="keywordtype">void</span> *mem, mem_size_t size);
00058
00059 <span class="preprocessor">#ifdef MEM_PERF</span>
00060 <span class="preprocessor"></span><span class="keywordtype">void</span> mem_perf_start(<span class="keywordtype">void</span>);
00061 <span class="keywordtype">void</span> mem_perf_init(<span class="keywordtype">char</span> *fname);
00062 <span class="preprocessor">#endif </span><span class="comment">/* MEM_PERF */</span>
00063
00064 <span class="preprocessor">#ifdef MEM_RECLAIM</span>
00065 <span class="preprocessor"></span><span class="keyword">typedef</span> mem_size_t (*mem_reclaim_func)(<span class="keywordtype">void</span> *arg, mem_size_t size);
00066 <span class="keywordtype">void</span> mem_register_reclaim(mem_reclaim_func f, <span class="keywordtype">void</span> *arg);
00067 <span class="keywordtype">void</span> mem_reclaim(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size);
00068 <span class="preprocessor">#else</span>
00069 <span class="preprocessor"></span><span class="preprocessor">#define mem_register_reclaim(f, arg)</span>
00070 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* MEM_RECLAIM */</span>
00071
00072
00073 <span class="preprocessor">#define MEM_ALIGN_SIZE(size) (size + \</span>
00074 <span class="preprocessor"> ((((size) % MEM_ALIGNMENT) == 0)? 0 : \</span>
00075 <span class="preprocessor"> (MEM_ALIGNMENT - ((size) % MEM_ALIGNMENT))))</span>
00076 <span class="preprocessor"></span>
00077 <span class="preprocessor">#define MEM_ALIGN(addr) (void *)MEM_ALIGN_SIZE((uInt32)addr)</span>
00078 <span class="preprocessor"></span>
00079 <span class="preprocessor">#endif </span><span class="comment">/* __LWIP_MEM_H__ */</span>
00080
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