{"id":4941,"date":"2024-10-05T14:01:01","date_gmt":"2024-10-05T06:01:01","guid":{"rendered":""},"modified":"2024-10-05T14:01:01","modified_gmt":"2024-10-05T06:01:01","slug":"\u6b63\u65877\uff1a\u5185\u5b58\u6c60\u7684\u5206\u7c7b\u3001\u539f\u7406\u4e0e\u4f18\u70b9\u53ca\u600e\u4e48\u624b\u6495\u5185\u5b58\u6c60(\u4ee3\u7801\u653egithub\uff0c\u672a\u5b8c\u5f85\u7eed10\/4)","status":"publish","type":"post","link":"https:\/\/mushiming.com\/4941.html","title":{"rendered":"\u6b63\u65877\uff1a\u5185\u5b58\u6c60\u7684\u5206\u7c7b\u3001\u539f\u7406\u4e0e\u4f18\u70b9\u53ca\u600e\u4e48\u624b\u6495\u5185\u5b58\u6c60(\u4ee3\u7801\u653egithub\uff0c\u672a\u5b8c\u5f85\u7eed10\/4)"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<div class=\"toc\">\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>1.\u5185\u5b58\u6c60\u5206\u7c7b<\/li>\n<li>\n<ul>\n<li>0\uff09\u4f7f\u7528\u5185\u5b58\u6c60\u7684\u4f18\u70b9<\/li>\n<li>1\uff09\u4f19\u4f34\u7b97\u6cd5\u7684\u5206\u914d\uff0c\u4ee5\u4e00\u9875\u5927\u5c0f4k\u4e3e\u4f8b<\/li>\n<li>2\uff09slab\u7b97\u6cd5<\/li>\n<li>3\uff09\u9488\u5bf9\u4e00\u4e2a\u7c7b\u7684\u5185\u5b58\u6c60\u6f14\u793a\u4ee3\u7801<\/li>\n<li>\n<ul>\n<li>\uff081\uff09\u4ecb\u7ecd<\/li>\n<li>\uff082\uff09\u57fa\u7840\u4ee3\u7801\u90e8\u5206<\/li>\n<li>\uff083\uff09\u5185\u5b58\u6c60\u5bf9\u4e8e\u901f\u5ea6\u7684\u6bd4\u8f83<\/li>\n<li>\uff084\uff09\u57fa\u7840\u4ee3\u7801\u589e\u52a0\u5d4c\u5165\u5f0f\u6307\u9488(\u76ee\u7684\uff1a\u8282\u77014\u5b57\u8282\u7684next\u5185\u5b58)<\/li>\n<\/ul>\n<\/li>\n<li>4\uff09\u4effnginx\u4ee3\u7801(\u5ba2\u6237\u7aef\u65ad\u5f00\uff0c\u91ca\u653e\u5206\u914d\u7684\u5185\u5b58)<\/li>\n<li>5\uff09\u7c7b\u6a21\u677f\uff0c\u7528\u94fe\u8868\u505a\u5bf9\u8c61\u6c60<\/li>\n<li>6\uff09\u7c7b\u6a21\u677f\uff0c\u7528\u7ea2\u9ed1\u6811\u5f53\u5bf9\u8c61\u6c60<\/li>\n<\/ul>\n<\/li>\n<li>2.\u5185\u5b58\u6c60\u539f\u7406\u53ca\u7279\u70b9<\/li>\n<li>3.\u5185\u5b58\u6c60\u4ee3\u7801\u8bb2\u89e3<\/li>\n<li>4.\u4ee3\u7801\u4f20\u9001\u95e8<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<h3>1.\u5185\u5b58\u6c60\u5206\u7c7b<\/h3>\n<h4>0\uff09\u4f7f\u7528\u5185\u5b58\u6c60\u7684\u4f18\u70b9<\/h4>\n<blockquote>\n<p>\u2460\u4e0d\u7528\u5185\u5b58\u50a8\u4e0d\u5229\u4e8e\u5185\u5b58\u7ba1\u7406\uff0c\u4e0d\u7528\u5185\u5b58\u5b58\u50a8\u6c60\u53ef\u4ee5\u7528\u5355\u4f8b\u7c7b\u53bb\u5206\u914d<br \/> \u2461\u4e0d\u9002\u7528\u5185\u5b58\u6c60\u7684\u8bdd\uff0c\u4f1a\u6709\u5185\u5b58\u788e\u7247<br \/> \u2462\u4f7f\u7528\u4e86\u5185\u5b58\u6c60\u5229\u4e8e\u68c0\u6d4b\u5185\u5b58\u6cc4\u6f0f<br \/> \u2463\u8282\u7701<code>\u5c0f\u5757<\/code>\u5185\u5b58<\/p>\n<\/blockquote>\n<h4>1\uff09\u4f19\u4f34\u7b97\u6cd5\u7684\u5206\u914d\uff0c\u4ee5\u4e00\u9875\u5927\u5c0f4k\u4e3e\u4f8b<\/h4>\n<ul>\n<li>\u5206\u914d\u539f\u7406<\/li>\n<\/ul>\n<blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/3c9666b329bb4751ab8945c0bf086e24.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"\u6b63\u65877\uff1a\u5185\u5b58\u6c60\u7684\u5206\u7c7b\u3001\u539f\u7406\u4e0e\u4f18\u70b9\u53ca\u600e\u4e48\u624b\u6495\u5185\u5b58\u6c60(\u4ee3\u7801\u653egithub\uff0c\u672a\u5b8c\u5f85\u7eed10\/4) (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"\u6b63\u65877\uff1a\u5185\u5b58\u6c60\u7684\u5206\u7c7b\u3001\u539f\u7406\u4e0e\u4f18\u70b9\u53ca\u600e\u4e48\u624b\u6495\u5185\u5b58\u6c60(\u4ee3\u7801\u653egithub\uff0c\u672a\u5b8c\u5f85\u7eed10\/4)  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u4ece8\u300116\u300132\u5b57\u8282\u5206\u914d\u52302k\u5b57\u8282<\/p>\n<\/blockquote>\n<ul>\n<li>\u4f7f\u7528\u573a\u666f<\/li>\n<\/ul>\n<blockquote>\n<p>\u9002\u5408\u5206\u914d\u5355\u4f4d\u4ee5\u9875\u4e3a\u5206\u914d\u5355\u4f4d\uff0c\u9002\u5408\u5728<code>\u7269\u7406\u5185\u5b58<\/code>\u4e0a\u5206\u914d\u548c\u56de\u6536\uff0c\u4e0d\u4f7f\u7528\u5728<code>\u865a\u62df\u5185\u5b58<\/code>\u4e0a<\/p>\n<\/blockquote>\n<h4>2\uff09slab\u7b97\u6cd5<\/h4>\n<ul>\n<li>\u5206\u914d\u539f\u7406<\/li>\n<\/ul>\n<blockquote>\n<p>4K\u5206\u6210\u82e5\u5e72\u4e2a4\u5b57\u8282\uff0c\u82e5\u5e72\u4e2a8\u5b57\u8282\uff0c\u82e5\u5e72\u4e2a16\u5b57\u8282\u7b49\u7b49<\/p>\n<\/blockquote>\n<ul>\n<li>\u4f7f\u7528\u4e3e\u4f8b<\/li>\n<\/ul>\n<blockquote>\n<p>\u4f8b\u5982stl\u7684allocator<\/p>\n<\/blockquote>\n<h4>3\uff09\u9488\u5bf9\u4e00\u4e2a\u7c7b\u7684\u5185\u5b58\u6c60\u6f14\u793a\u4ee3\u7801<\/h4>\n<h5>\uff081\uff09\u4ecb\u7ecd<\/h5>\n<blockquote>\n<p>\u6765\u81ea\u738b\u5efa\u4f1f\u300a\u65b0\u7ecf\u5178C++\u300b\u5185\u5b58\u6c60<\/p>\n<\/blockquote>\n<h5>\uff082\uff09\u57fa\u7840\u4ee3\u7801\u90e8\u5206<\/h5>\n<pre><code class=\"prism language-cpp\"><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;ctime&gt;<\/span><\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">long<\/span> clock_t<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">A<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token keyword\">operator<\/span> <span class=\"token keyword\">new<\/span><span class=\"token punctuation\">(<\/span>size_t size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token keyword\">operator<\/span> <span class=\"token keyword\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> m_iCount<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u7528\u4e8e\u7edf\u8ba1\u5206\u914d\u6b21\u6570\u7edf\u8ba1\uff0c\u6bcfnew\u4e00\u6b21<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> m_iMallocCount<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u7528\u4e8e\u7edf\u8ba1malloc\u6b21\u6570\uff0c\u6bcfmalloc\u4e00\u6b21\u52a01<\/span> <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span> A<span class=\"token operator\">*<\/span> next<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">static<\/span> A<span class=\"token operator\">*<\/span> m_FreePosi<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u603b\u662f\u6307\u5411\u4e00\u5757\u53ef\u4ee5\u5206\u914d\u51fa\u53bb\u7684\u5185\u5b58\u7684\u9996\u5730\u5740<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> m_sTrunkCount<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4e00\u6b21\u5206\u914d\u591a\u5c11\u500d\u8be5\u7c7b\u7684\u5185\u5b58<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> A<span class=\"token double-colon punctuation\">::<\/span><span class=\"token keyword\">operator<\/span> <span class=\"token keyword\">new<\/span><span class=\"token punctuation\">(<\/span>size_t size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u4e0d\u518d\u7528\u4f20\u7edf\u65b9\u5f0f\u5b9e\u73b0\uff0c\u800c\u662f\u7528\u5185\u5b58\u6c60\u5b9e\u73b0<\/span> <span class=\"token comment\">\/\/\u4f20\u7edf\u65b9\u5f0f<\/span> <span class=\"token comment\">\/\/A* ppoint = (A*)malloc(size);<\/span> <span class=\"token comment\">\/\/return ppoint;<\/span> <span class=\"token comment\">\/\/1.\u521d\u59cb\u5316\u5185\u5b58\u6c60<\/span> A<span class=\"token operator\">*<\/span> tmplink<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>m_FreePosi <span class=\"token operator\">==<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/2.\u4e3a\u7a7a\uff0c\u6211\u4eec\u8981\u7533\u8bf7\u4e00\u5927\u5757\u5185\u5b58<\/span> size_t realsize <span class=\"token operator\">=<\/span> m_sTrunkCount<span class=\"token operator\">*<\/span>size<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8981\u7533\u8bf7m_sTrunkCount\u8fd9\u4e48\u591a\u7684\u5185\u5b58<\/span> m_FreePosi <span class=\"token operator\">=<\/span> <span class=\"token generic-function\"><span class=\"token function\">reinterpret_cast<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>A<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token keyword\">char<\/span><span class=\"token punctuation\">[<\/span>realsize<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4f20\u7edfnew\uff0c\u8c03\u7528\u5e95\u5c42\u4f20\u7edfmalloc<\/span> tmplink <span class=\"token operator\">=<\/span> m_FreePosi<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/3.\u628a\u5206\u914d\u7684\u5185\u5b58\u94fe\u63a5\u8d77\u6765<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">;<\/span>tmplink <span class=\"token operator\">!=<\/span><span class=\"token operator\">&amp;<\/span>m_FreePosi<span class=\"token punctuation\">[<\/span>m_sTrunkCount <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token operator\">++<\/span>tmplink<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmplink<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">=<\/span> tmplink <span class=\"token operator\">+<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> tmplink<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">=<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token operator\">++<\/span>m_iMallocCount<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/4.\u5f52\u4f4d<\/span> tmplink <span class=\"token operator\">=<\/span> m_FreePosi<span class=\"token punctuation\">;<\/span> m_FreePosi <span class=\"token operator\">=<\/span> m_FreePosi<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/m_FreePosi\u603b\u662f\u6307\u5411\u80fd\u5206\u914d\u5185\u5b58\u7684\u4e0b\u4e00\u5757\u9996\u5730\u5740<\/span> <span class=\"token operator\">++<\/span>m_iCount<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> tmplink<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">void<\/span> A<span class=\"token double-colon punctuation\">::<\/span><span class=\"token keyword\">operator<\/span> <span class=\"token keyword\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/1.\u4f20\u7edf<\/span> <span class=\"token comment\">\/\/free(phead);<\/span> <span class=\"token comment\">\/\/2.\u5185\u5b58\u6c60\u505a\u6cd5<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token generic-function\"><span class=\"token function\">static_cast<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>A<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=<\/span> m_FreePosi<span class=\"token punctuation\">;<\/span> m_FreePosi <span class=\"token operator\">=<\/span> <span class=\"token generic-function\"><span class=\"token function\">static_cast<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>A<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">int<\/span> A<span class=\"token double-colon punctuation\">::<\/span>m_iCount <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> A<span class=\"token double-colon punctuation\">::<\/span>m_iMallocCount <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> A<span class=\"token operator\">*<\/span> A<span class=\"token double-colon punctuation\">::<\/span>m_FreePosi <span class=\"token operator\">=<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> A<span class=\"token double-colon punctuation\">::<\/span>m_sTrunkCount <span class=\"token operator\">=<\/span> <span class=\"token number\">500<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4e3b\u8981\u7528\u6765\u6d4b\u8bd5\u65f6\u95f4<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u548c\u65f6\u95f4\u6709\u5173\u7684\u7c7b\u578b<\/span> clock_t start<span class=\"token punctuation\">,<\/span>end<span class=\"token punctuation\">;<\/span> start <span class=\"token operator\">=<\/span> <span class=\"token function\">clock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span> <span class=\"token number\"><\/span><span class=\"token punctuation\">;<\/span><span class=\"token operator\">++<\/span>i<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> A<span class=\"token operator\">*<\/span> pa <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">A<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> end <span class=\"token operator\">=<\/span> <span class=\"token function\">clock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\"\u7533\u8bf7\u5206\u914d\u7684\u5185\u5b58\u6b21\u6570\u4e3a\uff1a\"<\/span><span class=\"token operator\">&lt;&lt;<\/span>A<span class=\"token double-colon punctuation\">::<\/span>m_iCount<span class=\"token operator\">&lt;&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\"\u5b9e\u9645malloc\u7684\u6b21\u6570\u4e3a\uff1a\"<\/span><span class=\"token operator\">&lt;&lt;<\/span>A<span class=\"token double-colon punctuation\">::<\/span>m_iMallocCount<span class=\"token operator\">&lt;&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\"\u7528\u65f6(\u6beb\u79d2)\uff1a\"<\/span><span class=\"token operator\">&lt;&lt;<\/span>end<span class=\"token operator\">-<\/span>start<span class=\"token operator\">&lt;&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<h5>\uff083\uff09\u5185\u5b58\u6c60\u5bf9\u4e8e\u901f\u5ea6\u7684\u6bd4\u8f83<\/h5>\n<ul>\n<li>\u8bbe\u7f6eA::m_sTrunkCount = 5<\/li>\n<\/ul>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">root@iZbp1do67v9l7zwkcs2b22Z<span class=\"token operator\">:<\/span><span class=\"token operator\">~<\/span><span class=\"token operator\">\/<\/span>code<span class=\"token operator\">\/<\/span>memoryPool# g<span class=\"token operator\">++<\/span> versionWang<span class=\"token punctuation\">.<\/span>cpp root@iZbp1do67v9l7zwkcs2b22Z<span class=\"token operator\">:<\/span><span class=\"token operator\">~<\/span><span class=\"token operator\">\/<\/span>code<span class=\"token operator\">\/<\/span>memoryPool# <span class=\"token punctuation\">.<\/span><span class=\"token operator\">\/<\/span>a<span class=\"token punctuation\">.<\/span>out \u7533\u8bf7\u5206\u914d\u7684\u5185\u5b58\u6b21\u6570\u4e3a\uff1a<span class=\"token number\"><\/span> \u5b9e\u9645malloc\u7684\u6b21\u6570\u4e3a\uff1a<span class=\"token number\"><\/span> \u7528\u65f6<span class=\"token punctuation\">(<\/span>\u6beb\u79d2<span class=\"token punctuation\">)<\/span>\uff1a<span class=\"token number\">78767<\/span> Hello world <\/code><\/pre>\n<ul>\n<li>\u8bbe\u7f6eA::m_sTrunkCount = 500<\/li>\n<\/ul>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">root@iZbp1do67v9l7zwkcs2b22Z<span class=\"token operator\">:<\/span><span class=\"token operator\">~<\/span><span class=\"token operator\">\/<\/span>code<span class=\"token operator\">\/<\/span>memoryPool# g<span class=\"token operator\">++<\/span> versionWang<span class=\"token punctuation\">.<\/span>cpp root@iZbp1do67v9l7zwkcs2b22Z<span class=\"token operator\">:<\/span><span class=\"token operator\">~<\/span><span class=\"token operator\">\/<\/span>code<span class=\"token operator\">\/<\/span>memoryPool# <span class=\"token punctuation\">.<\/span><span class=\"token operator\">\/<\/span>a<span class=\"token punctuation\">.<\/span>out \u7533\u8bf7\u5206\u914d\u7684\u5185\u5b58\u6b21\u6570\u4e3a\uff1a<span class=\"token number\"><\/span> \u5b9e\u9645malloc\u7684\u6b21\u6570\u4e3a\uff1a<span class=\"token number\">10000<\/span> \u7528\u65f6<span class=\"token punctuation\">(<\/span>\u6beb\u79d2<span class=\"token punctuation\">)<\/span>\uff1a<span class=\"token number\">53223<\/span> <\/code><\/pre>\n<ul>\n<li>\u7eafmalloc<\/li>\n<\/ul>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-cpp\">root@iZbp1do67v9l7zwkcs2b22Z<span class=\"token operator\">:<\/span><span class=\"token operator\">~<\/span><span class=\"token operator\">\/<\/span>code<span class=\"token operator\">\/<\/span>memoryPool# g<span class=\"token operator\">++<\/span> versionWang<span class=\"token punctuation\">.<\/span>cpp root@iZbp1do67v9l7zwkcs2b22Z<span class=\"token operator\">:<\/span><span class=\"token operator\">~<\/span><span class=\"token operator\">\/<\/span>code<span class=\"token operator\">\/<\/span>memoryPool# <span class=\"token punctuation\">.<\/span><span class=\"token operator\">\/<\/span>a<span class=\"token punctuation\">.<\/span>out \u7533\u8bf7\u5206\u914d\u7684\u5185\u5b58\u6b21\u6570\u4e3a\uff1a<span class=\"token number\">0<\/span> \u5b9e\u9645malloc\u7684\u6b21\u6570\u4e3a\uff1a<span class=\"token number\">0<\/span> \u7528\u65f6<span class=\"token punctuation\">(<\/span>\u6beb\u79d2<span class=\"token punctuation\">)<\/span>\uff1a<span class=\"token number\"><\/span> <\/code><\/pre>\n<ul>\n<li>\u7ed3\u8bba<\/li>\n<\/ul>\n<blockquote>\n<p>\u53ef\u4ee5\u770b\u51fa\u4e00\u6b21\u5206\u914d500\u5757\u5185\u5b58\u867d\u7136\u6bd4\u4e00\u6b21\u5206\u914d5\u5757\u5185\u5b58\u8282\u7701\u5206\u914d\u6b21\u6570\uff0c\u5206\u914d500W\u6b21\u5927\u6982\u5c11\u4e8699W\u6b21\uff0c\u4f46\u662f\u65f6\u95f4\u4e0a\u53ea\u76f8\u5dee\u4e8625000ms\uff0c\u7528malloc\u7684\u65f6\u95f4\u66f4\u591a<\/p>\n<\/blockquote>\n<h5>\uff084\uff09\u57fa\u7840\u4ee3\u7801\u589e\u52a0\u5d4c\u5165\u5f0f\u6307\u9488(\u76ee\u7684\uff1a\u8282\u77014\u5b57\u8282\u7684next\u5185\u5b58)<\/h5>\n<pre><code class=\"prism language-cpp\"><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;ctime&gt;<\/span><\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">long<\/span> clock_t<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">myallocator<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span> <span class=\"token comment\">\/\/\u5206\u914d\u5185\u5b58\u63a5\u53e3<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token function\">allocate<\/span><span class=\"token punctuation\">(<\/span>size_t size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> obj<span class=\"token operator\">*<\/span> tmplink<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>m_FreePosi <span class=\"token operator\">==<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u4e3a\u7a7a\uff0c\u6211\u8981\u7533\u8bf7\u7a7a\u95f4\uff0c\u8981\u7533\u8bf7\u4e00\u5927\u5757\u5185\u5b58<\/span> size_t realsize <span class=\"token operator\">=<\/span> m_sTrunkCout <span class=\"token operator\">*<\/span> size<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7533\u8bf7m_sTrunkCout\u8fd9\u4e48\u591a\u500d\u7684\u5185\u5b58<\/span> m_FreePosi <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>obj<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span>realsize<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> tmplink <span class=\"token operator\">=<\/span> m_FreePosi<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u628a\u5206\u914d\u51fa\u6765\u7684\u8fd9\u4e00\u5757\u5185\u5b58(5\u5c0f\u5757)\u5f7c\u6b64\u94fe\u63a5\u8d77\u6765\uff0c\u4f9b\u540e\u7eed\u4f7f\u7528<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">;<\/span>i <span class=\"token operator\">&lt;<\/span> m_sTrunkCout <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token operator\">++<\/span>i<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmplink<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>obj<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>tmplink <span class=\"token operator\">+<\/span> size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> tmplink <span class=\"token operator\">=<\/span> tmplink<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token comment\">\/\/end for<\/span> tmplink<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">=<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token comment\">\/\/end if<\/span> tmplink <span class=\"token operator\">=<\/span> m_FreePosi<span class=\"token punctuation\">;<\/span> m_FreePosi <span class=\"token operator\">=<\/span> m_FreePosi<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> tmplink<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">dellocate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>obj<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">=<\/span> m_FreePosi<span class=\"token punctuation\">;<\/span> m_FreePosi <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>obj<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>phead<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span> <span class=\"token comment\">\/\/\u5199\u5728\u7c7b\u91cc\u9762\u7684\u7ed3\u6784<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">obj<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">obj<\/span><span class=\"token operator\">*<\/span> next<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8fd9\u4e2anext\u5c31\u662f\u4e00\u4e2a\u5d4c\u5165\u5f0f\u6307\u9488<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> m_sTrunkCout <span class=\"token operator\">=<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4e00\u6b21\u5206\u914d5\u500d\u7684\u8be5\u7c7b\u5185\u5b58\u4f5c\u4e3a\u5185\u5b58\u6c60\u7684\u5927\u5c0f<\/span> obj<span class=\"token operator\">*<\/span> m_FreePosi <span class=\"token operator\">=<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">A<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span> <span class=\"token comment\">\/\/\u5fc5\u987b\u4fdd\u8bc1sizeof(A)\u51d1\u591f4\u5b57\u8282\uff0c\u8fd9\u91cc\u4e24\u4e2aint\u6210\u54588\u5b57\u8282\u4e86\uff0c\u6240\u4ee5\u4f7f\u7528\u7c7bmyallocator\u6beb\u65e0\u95ee\u9898<\/span> <span class=\"token keyword\">int<\/span> m_i<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> m_j<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">static<\/span> myallocator myalloc<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u9759\u6001\u6210\u5458\u53d8\u91cf\uff0c\u8ddf\u7740\u7c7bA\u8d70<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token keyword\">operator<\/span> <span class=\"token keyword\">new<\/span><span class=\"token punctuation\">(<\/span>size_t size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> myalloc<span class=\"token punctuation\">.<\/span><span class=\"token function\">allocate<\/span><span class=\"token punctuation\">(<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token keyword\">operator<\/span> <span class=\"token keyword\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> myalloc<span class=\"token punctuation\">.<\/span><span class=\"token function\">dellocate<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> myallocator A<span class=\"token double-colon punctuation\">::<\/span>myalloc<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5728\u7c7bA\u4e4b\u5916\u5b9a\u4e49\u4e00\u4e0b\u8fd9\u4e2a\u9759\u6001\u6210\u5458\u53d8\u91cf<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> A<span class=\"token operator\">*<\/span> mypa<span class=\"token punctuation\">[<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span> <span class=\"token number\">15<\/span><span class=\"token punctuation\">;<\/span><span class=\"token operator\">++<\/span>i<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> mypa<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">A<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"%p\\n\"<\/span><span class=\"token punctuation\">,<\/span>mypa<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">;<\/span><span class=\"token operator\">++<\/span>i<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">delete<\/span> mypa<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<blockquote>\n<p>\u6bcf\u4e2a\u5bf9\u8c61\u95f4\u96948\u5b57\u8282<\/p>\n<\/blockquote>\n<h4>4\uff09\u4effnginx\u4ee3\u7801(\u5ba2\u6237\u7aef\u65ad\u5f00\uff0c\u91ca\u653e\u5206\u914d\u7684\u5185\u5b58)<\/h4>\n<h4>5\uff09\u7c7b\u6a21\u677f\uff0c\u7528\u94fe\u8868\u505a\u5bf9\u8c61\u6c60<\/h4>\n<ul>\n<li>assertx.h<\/li>\n<\/ul>\n<pre><code class=\"prism language-c\"> <span class=\"token comment\">\/\/ assertx.h - simple assertion functionality.<\/span> <span class=\"token comment\">\/\/<\/span> <span class=\"token comment\">\/\/ By Paul Glinker<\/span> <span class=\"token comment\">\/\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">ASSERTX_H<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ASSERTX_H<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">NDEBUG<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">ASSERT<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span> exp <span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">else<\/span> <span class=\"token comment\">\/\/ !def NDEBUG<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">_WINDOWS<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;windows.h&gt;<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdlib.h&gt;<\/span><\/span> <span class=\"token keyword\">inline<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">assert_windows<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>szExp<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>szFilename<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> iLineNum<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">char<\/span> szMsg<span class=\"token punctuation\">[<\/span><span class=\"token number\">128<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>szMsg<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"Expr: (%s)\\nFile: %s\\nLine: %d\\n\"<\/span><span class=\"token punctuation\">,<\/span> szExp<span class=\"token punctuation\">,<\/span> szFilename<span class=\"token punctuation\">,<\/span> iLineNum<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">MessageBox<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span>szMsg<span class=\"token punctuation\">,<\/span><span class=\"token string\">\"ASSERTION FAILED!\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>MB_OK<span class=\"token operator\">|<\/span>MB_ICONERROR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">ASSERT<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span> exp <span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span> <span class=\"token operator\">!<\/span><span class=\"token punctuation\">(<\/span>exp<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token function\">assert_windows<\/span><span class=\"token punctuation\">(<\/span> #exp<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__FILE__<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__LINE__<\/span> <span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">else<\/span> <span class=\"token comment\">\/\/ !def _WINDOWS<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdlib.h&gt;<\/span><\/span> <span class=\"token keyword\">inline<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">assert_generic<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>szExp<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>szFilename<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> iLineNum<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"================================================\\n\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"ASSERTION FAILED!\\nExpr: (%s)\\nFile: %s\\nLine: %d\\n\"<\/span><span class=\"token punctuation\">,<\/span> szExp<span class=\"token punctuation\">,<\/span> szFilename<span class=\"token punctuation\">,<\/span> iLineNum<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"================================================\\n\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">ASSERT<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span> exp <span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span> <span class=\"token operator\">!<\/span><span class=\"token punctuation\">(<\/span>exp<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token function\">assert_generic<\/span><span class=\"token punctuation\">(<\/span> #exp<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__FILE__<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">__LINE__<\/span> <span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/\/_WINDOWS<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/\/ NDEBUG<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/\/ ASSERTX_H<\/span><\/span> <\/code><\/pre>\n<ul>\n<li>List.h<\/li>\n<\/ul>\n<pre><code class=\"prism language-c\"><span class=\"token comment\">\/\/ TFreeList.h - a templated freelist class.<\/span> <span class=\"token comment\">\/\/<\/span> <span class=\"token comment\">\/\/ By Paul Glinker<\/span> <span class=\"token comment\">\/\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">TFreeList_h<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">TFreeList_h<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">\"assertx.h\"<\/span><\/span> template <span class=\"token operator\">&lt;<\/span>class FLDataType<span class=\"token operator\">&gt;<\/span> class TFreeList <span class=\"token punctuation\">{ \n   <!-- --><\/span> public<span class=\"token operator\">:<\/span> <span class=\"token comment\">\/\/ Construct a TFreeList with the specified number<\/span> <span class=\"token comment\">\/\/ of objects available for allocation.<\/span> <span class=\"token function\">TFreeList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> iNumObjects<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">ASSERT<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token punctuation\">(<\/span>iNumObjects <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">\"Invalid TFreeList size specified.\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> m_pObjectData <span class=\"token operator\">=<\/span> new FLDataType<span class=\"token punctuation\">[<\/span>iNumObjects<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> m_ppFreeObjects <span class=\"token operator\">=<\/span> new FLDataType<span class=\"token operator\">*<\/span><span class=\"token punctuation\">[<\/span>iNumObjects<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">ASSERT<\/span><span class=\"token punctuation\">(<\/span> m_pObjectData <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">\"Not enough memory to allocate object data!\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">ASSERT<\/span><span class=\"token punctuation\">(<\/span> m_ppFreeObjects <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">\"Not enough memory to allocate pointer stack!\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> m_iNumObjects <span class=\"token operator\">=<\/span> iNumObjects<span class=\"token punctuation\">;<\/span> m_bFreeOnDestroy <span class=\"token operator\">=<\/span> true<span class=\"token punctuation\">;<\/span> <span class=\"token function\">FreeAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ Constructs a TFreeList with the specified number<\/span> <span class=\"token comment\">\/\/ of objects available for allocation from pre-allocated<\/span> <span class=\"token comment\">\/\/ memory referenced by \"pObjectData\" and \"ppFreeObjects\".<\/span> <span class=\"token comment\">\/\/ Note that pObjectData and ppFreeObjects must have<\/span> <span class=\"token comment\">\/\/ \"iNumObjects\" elements each.<\/span> <span class=\"token function\">TFreeList<\/span><span class=\"token punctuation\">(<\/span>FLDataType <span class=\"token operator\">*<\/span>pObjectData<span class=\"token punctuation\">,<\/span> FLDataType <span class=\"token operator\">*<\/span><span class=\"token operator\">*<\/span>ppFreeObjects<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> iNumObjects<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">ASSERT<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token punctuation\">(<\/span>iNumObjects <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">\"Invalid TFreeList size specified.\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> m_pObjectData <span class=\"token operator\">=<\/span> pObjectData<span class=\"token punctuation\">;<\/span> m_ppFreeObjects <span class=\"token operator\">=<\/span> ppFreeObjects<span class=\"token punctuation\">;<\/span> <span class=\"token function\">ASSERT<\/span><span class=\"token punctuation\">(<\/span> m_pObjectData <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">\"A NULL pointer was passed for the object data!\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">ASSERT<\/span><span class=\"token punctuation\">(<\/span> m_ppFreeObjects <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">\"A NULL pointer was passed for the pointer stack!\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> m_iNumObjects <span class=\"token operator\">=<\/span> iNumObjects<span class=\"token punctuation\">;<\/span> m_bFreeOnDestroy <span class=\"token operator\">=<\/span> false<span class=\"token punctuation\">;<\/span> <span class=\"token function\">FreeAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">~<\/span><span class=\"token function\">TFreeList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/ If we have allocated memory,<\/span> <span class=\"token comment\">\/\/ then we must free it.<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>m_bFreeOnDestroy<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> delete <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> m_ppFreeObjects<span class=\"token punctuation\">;<\/span> delete <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> m_pObjectData<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ Returns a pointer to a free instance of FLDataType.<\/span> FLDataType <span class=\"token operator\">*<\/span><span class=\"token function\">NewInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">ASSERT<\/span><span class=\"token punctuation\">(<\/span> m_iTop <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">\"Tried to get a new instance but there\"<\/span> <span class=\"token string\">\"were no free instances available for \"<\/span> <span class=\"token string\">\"allocation. Consider using GetFree()!\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> m_ppFreeObjects<span class=\"token punctuation\">[<\/span><span class=\"token operator\">--<\/span>m_iTop<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ Reclaims the instance referenced by pInstance.<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">FreeInstance<\/span><span class=\"token punctuation\">(<\/span>FLDataType <span class=\"token operator\">*<\/span>pInstance<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">ASSERT<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token punctuation\">(<\/span>pInstance <span class=\"token operator\">&gt;=<\/span> <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">(<\/span>m_pObjectData<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span>pInstance <span class=\"token operator\">&lt;=<\/span> <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">(<\/span>m_pObjectData<span class=\"token punctuation\">[<\/span>m_iNumObjects<span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">\"Tried to free an object that was\"<\/span> <span class=\"token string\">\"not from this TFreeList\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ You might consider putting a debug-only check here to make sure<\/span> <span class=\"token comment\">\/\/ the instance that is being freed isn't already free.<\/span> <span class=\"token function\">ASSERT<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token punctuation\">(<\/span>m_iTop <span class=\"token operator\">&lt;<\/span> m_iNumObjects<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">\"You have freed at least one\"<\/span> <span class=\"token string\">\"instance more than once.\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> m_ppFreeObjects<span class=\"token punctuation\">[<\/span>m_iTop<span class=\"token operator\">++<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> pInstance<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ Makes all instances available for allocation.<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">FreeAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">int<\/span> iIndex <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>m_iNumObjects<span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>m_iTop <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> m_iTop <span class=\"token operator\">&lt;<\/span> m_iNumObjects<span class=\"token punctuation\">;<\/span> m_iTop<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> m_ppFreeObjects<span class=\"token punctuation\">[<\/span>m_iTop<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">(<\/span>m_pObjectData<span class=\"token punctuation\">[<\/span>iIndex<span class=\"token operator\">--<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ Returns the total number of objects<\/span> <span class=\"token comment\">\/\/ managed by this TFreeList.<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">GetSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> m_iNumObjects<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ Returns the number of instances available<\/span> <span class=\"token comment\">\/\/ for allocation.<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">GetFree<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> m_iTop<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> private<span class=\"token operator\">:<\/span> <span class=\"token comment\">\/\/ Points to the array of objects.<\/span> FLDataType <span class=\"token operator\">*<\/span>m_pObjectData<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ The number of objects in m_pObjectData.<\/span> <span class=\"token keyword\">int<\/span> m_iNumObjects<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Points to an array of pointers to free<\/span> <span class=\"token comment\">\/\/ objects within m_pObjectData. Used as<\/span> <span class=\"token comment\">\/\/ a fixed sized stack.<\/span> FLDataType <span class=\"token operator\">*<\/span><span class=\"token operator\">*<\/span>m_ppFreeObjects<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Keeps track of the first available object in<\/span> <span class=\"token comment\">\/\/ m_ppFreeObjects (the top of the stack).<\/span> <span class=\"token keyword\">int<\/span> m_iTop<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Remembers weather or not to free memory on<\/span> <span class=\"token comment\">\/\/ destruction.<\/span> bool m_bFreeOnDestroy<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/\/ TFreeList_h<\/span><\/span> <\/code><\/pre>\n<h4>6\uff09\u7c7b\u6a21\u677f\uff0c\u7528\u7ea2\u9ed1\u6811\u5f53\u5bf9\u8c61\u6c60<\/h4>\n<h3>2.\u5185\u5b58\u6c60\u539f\u7406\u53ca\u7279\u70b9<\/h3>\n<h3>3.\u5185\u5b58\u6c60\u4ee3\u7801\u8bb2\u89e3<\/h3>\n<h3>4.\u4ee3\u7801\u4f20\u9001\u95e8<\/h3>\n","protected":false},"excerpt":{"rendered":"\u6b63\u65877\uff1a\u5185\u5b58\u6c60\u7684\u5206\u7c7b\u3001\u539f\u7406\u4e0e\u4f18\u70b9\u53ca\u600e\u4e48\u624b\u6495\u5185\u5b58\u6c60(\u4ee3\u7801\u653egithub\uff0c\u672a\u5b8c\u5f85\u7eed10\/4)\u6587\u7ae0\u76ee\u5f551.\u5185\u5b58\u6c60\u5206\u7c7b\u4f19\u4f34slab\u8001\u738b\u4effnginx\u4ee3...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/4941"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=4941"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/4941\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=4941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=4941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=4941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}