{"id":1446,"date":"2018-06-22T14:55:20","date_gmt":"2018-06-22T06:55:20","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1446"},"modified":"2018-06-22T14:55:20","modified_gmt":"2018-06-22T06:55:20","slug":"c%e5%ae%b9%e5%99%a8%e6%a8%a1%e6%9d%bf%e5%9c%a8%e5%85%b1%e4%ba%ab%e5%86%85%e5%ad%98%e4%b8%ad%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1446","title":{"rendered":"C++\u5bb9\u5668\u6a21\u677f\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u7684\u4f7f\u7528"},"content":{"rendered":"<h1 class=\"postTitle\"><a id=\"cb_post_title_url\" class=\"postTitle2\" href=\"https:\/\/www.cnblogs.com\/fullsail\/archive\/2013\/01\/20\/2868898.html\">C++\u5bb9\u5668\u6a21\u677f\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u7684\u4f7f\u7528<\/a><\/h1>\n<div class=\"clear\"><\/div>\n<div class=\"postBody\">\n<div id=\"cnblogs_post_body\" class=\"blogpost-body\">\n<p>\u672c\u6587\u7528\u4e8e\u63a2\u8ba8\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u4f7f\u7528\u5bb9\u5668\u7684\u597d\u5904\uff0c\u4ee5\u53ca\u51e0\u79cd\u5728\u5171\u4eab\u5185\u5b58\u4e2dC++\u6a21\u677f\u5bb9\u5668\u7684\u65b9\u6cd5\u3002<\/p>\n<h1><a name=\"_Toc346479460\"><\/a>1 \u4e3a\u4ec0\u4e48\u8981\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u4f7f\u7528\u6a21\u677f\u5bb9\u5668\uff1f<\/h1>\n<p>\u4e3a\u4ec0\u4e48\u8981\u907f\u5f00\u666e\u901a\u5185\u5b58\u800c\u9009\u62e9\u5171\u4eab\u5185\u5b58\uff0c\u90a3\u80af\u5b9a\u662f\u4f7f\u7528\u5171\u4eab\u5185\u5b58\u7684\u4f18\u52bf\uff1a<\/p>\n<p>l \u5171\u4eab\u5185\u5b58\u53ef\u4ee5\u5728\u591a\u8fdb\u7a0b\u95f4\u5171\u4eab\uff0c\u5230\u8fbe\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u65b9\u5f0f\u3002<\/p>\n<p>l 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\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u4f7f\u7528\u6a21\u677f\u5bb9\u5668\u6700\u5927\u96be\u70b9\u662f\uff1f<\/h1>\n<p>\u4f46\u5982\u679c\u8981\u8981\u505a\u5230\u8ba9\u5bb9\u5668\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\uff0c\u6700\u5927\u7684\u9ebb\u70e6\u662f\u4ec0\u4e48\uff1f\u5c31\u662f\u6307\u9488\u3002\uff08\u540c\u6b65\u5f53\u7136\u4e5f\u662f\u4e00\u4e2a\u95ee\u9898\uff0c\u4f46\u6211\u8fd9\u513f\u5f3a\u8c03\u7684\u662f\u5bb9\u5668\u7684\u79fb\u690d\uff09<\/p>\n<p>\u5f53\u7136\u4e00\u822c\u800c\u8a00\uff0c\u8fd9\u4e2a\u6307\u9488\u7684\u5730\u5740\u4e00\u822c\u8fd8\u662f\u6307\u5411\u5171\u4eab\u5185\u5b58\u7684\u5185\u90e8\u6570\u636e\u3002\u4e3a\u4ec0\u4e48\u4e0d\u4f1a\u51fa\u73b0\u6307\u5411\u5404\u81ea\u79c1\u6709\u6570\u636e\u7684\u60c5\u51b5\uff1f\uff0c\u5982\u679c2\u4e2a\u8fdb\u7a0bA,\u5171\u4eab\u7684\u6570\u636e\u91cc\u9762\u7684\u4e00\u4e2a\u6307\u9488\u5728\u8fdb\u7a0bA\u8868\u793a\u8fdb\u7a0bA\u7684\u79c1\u6709\u5730\u5740\uff0c\u5728\u8fdb\u7a0bB\u91cc\u9762\u6807\u8bc6B\u7684\u79c1\u6709\u5730\u5740\uff0c\u8fd9\u660e\u663e\u662f\u4f60\u903b\u8f91\u8bbe\u8ba1\u6709\u95ee\u9898\u3002<\/p>\n<p>\u800c\u5185\u90e8\u6307\u9488\u5bf9\u4e8e\u6211\u4eec\u4e0a\u9762\u63d0\u5230\u76842\u4e2a\u4f18\u70b9\uff0c\u5176\u90fd\u662f\u5929\u654c\u3002\u53e6\u5916\u4e5f\u8981\u6ce8\u610f\uff0c\u5982\u679c\u6570\u636e\u9700\u8981\u591a\u8fdb\u7a0b\u5171\u4eab\uff0c\u4f60\u7684\u6570\u636e\u4e5f\u5fc5\u987b\u662fPOD\u7684\u6570\u636e\uff0c\u5982\u679c\u6709\u865a\u8868\u6307\u9488\uff0c\u90a3\u4e48\u4e5f\u4e0d\u53ef\u80fd\u5b9e\u73b0\u5171\u4eab\u3002<\/p>\n<p>l \u591a\u8fdb\u7a0b\u4e4b\u95f4\u7684\u5171\u7528\u7684\u5171\u4eab\u5185\u5b58\uff0c\u5730\u5740\u5f88\u53ef\u80fd\u662f\u4e0d\u4e00\u6837\u7684\u3002\u5f53\u7136\u5171\u4eab\u5185\u5b58\u7684API\u4e0a\u4e00\u822c\u90fd\u53ef\u4ee5\u5efa\u8bae\u56fa\u5b9a\u8d77\u59cb\u5730\u5740\uff0c\u4f46\u65e2\u7136\u662f\u5efa\u8bae\uff0c\u90a3\u5c31\u53ef\u80fd\u4e0d\u9075\u5b88\uff0c\u800c\u4e14\u8fd9\u9700\u8981\u4f60\u719f\u6089\u8fdb\u7a0b\u7684\u5730\u5740\u7a7a\u95f4\u5206\u5e03\uff0c\u800c\u4e14\u5bf9\u4e8e\u5f00\u53d1\u8005\u548c\u8fd0\u7ef4\u8005\uff0c\u4e00\u65e6\u4f7f\u7528\u7684\u5171\u4eab\u5185\u5b58\u591a\u4e86\uff0c\u4f7f\u7528\u56fa\u5b9a\u5730\u5740\u7edd\u5bf9\u662f\u5669\u68a6\u3002<\/p>\n<p>l \u800c\u5bf9\u4e8e\u670d\u52a1\u5668\uff0c\u4e0a\u4e00\u6b21\u6620\u5c04\u7684\u5730\u5740\uff0c\u6709\u53ef\u80fd\u548c\u91cd\u542f\u540e\u7684\u6620\u5c04\u5730\u5740\u4e0d\u4e00\u81f4\u3002<\/p>\n<div class=\"cnblogs_code\">\n<div class=\"cnblogs_code_toolbar\"><span class=\"cnblogs_code_copy\"><a title=\"\u590d\u5236\u4ee3\u7801\"><img decoding=\"async\" src=\"http:\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<pre>\/\/mmap\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u5c31\u662f\u5efa\u8bae\u5730\u5740\r\nvoid *mmap (void *addr,\r\n            size_t len,\r\n            int prot,\r\n            int flags,\r\n            ZEN_HANDLE handle,\r\n            size_t off = 0);\r\n\/\/Window\u7684API\u7684\u6700\u540e\u4e00\u4e2a\u53c2\u6570lpBaseAddress\u4e5f\u662f\u5efa\u8bae\u5730\u5740\u3002\r\nLPVOID WINAPI MapViewOfFileEx(\r\n  _In_      HANDLE hFileMappingObject,\r\n  _In_      DWORD dwDesiredAccess,\r\n  _In_      DWORD dwFileOffsetHigh,\r\n  _In_      DWORD dwFileOffsetLow,\r\n  _In_      SIZE_T dwNumberOfBytesToMap,\r\n  _In_opt_  LPVOID lpBaseAddress\r\n);<\/pre>\n<div class=\"cnblogs_code_toolbar\"><span class=\"cnblogs_code_copy\"><a title=\"\u590d\u5236\u4ee3\u7801\"><img decoding=\"async\" src=\"http:\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u800c\u5bf9\u4e8e\u89e3\u51b3\u6307\u9488\u8fd9\u79cd\u95ee\u9898\u6700\u597d\u7684\u65b9\u6cd5\uff08\u6216\u8005\u8bf4\u552f\u4e00\u7684\u65b9\u6cd5\uff09\u5c31\u662f\u4e0d\u8bb0\u5f55\u6307\u9488\uff0c\u800c\u8bb0\u5f55\u76f8\u5bf9\u7684\u504f\u79fb\u5730\u5740\uff0c\u6240\u6709\u7684\u8ba1\u7b97\u90fd\u6839\u636e\u504f\u79fb\u5730\u5740\u5904\u7406\u3002<\/p>\n<p>\u76ee\u524d\u63a2\u8ba8\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u4f7f\u7528\u6a21\u677f\u7684\u65b9\u6cd5\uff0c\u6211\u89c1\u5230\u8fc7\u7684\u601d\u8def\u548c\u5b9e\u73b0\u5927\u81f43\u79cd\uff0c\u4e00\u79cd\u662f\u5b9a\u5236STL\u7684\u5bb9\u5668\u5185\u5b58\u5206\u914d\u5668\uff0c\u4e00\u79cd\u662fACE\u63d0\u4f9b\u7684\u4f7f\u7528\u5730\u5740\u65e0\u5173\u7684\u5206\u914d\u65b9\u6cd5\uff0c\u4e00\u79cd\u662fBOOST\u7684interprocess\u7684\u5b9e\u73b0\uff0c\u6211\u4eec\u5206\u5f00\u804a\u804a\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f18\u70b9\u548c\u7f3a\u70b9\u3002<\/p>\n<h1><a name=\"_Toc346479462\"><\/a>3 \u5b9a\u5236STL\u7684\u5206\u914d\u5668<\/h1>\n<p>\u5982\u679c\u65e9\u5e74\uff0804\u5e74\u4ee5\u524d\uff09\u5728\u7f51\u4e0a\u7684\u8bba\u575b\u641c\u7d22\u7b54\u6848\uff0c\u5927\u90e8\u5206\u7ed9\u7684\u7b54\u6848\u662f\u8fd9\u4e2a\uff0c\u8868\u9762\u770b\u8fd9\u4e5f\u662f\u4e00\u4e2a\u6bd4\u8f83\u597d\u548c\u7b80\u5355\u7684\u7b54\u6848\uff0c\u6700\u5927\u7a0b\u5ea6\u7684\u5229\u7528STL\u5bb9\u5668\u73b0\u6709\u7684\u4ee3\u7801\u3002<\/p>\n<div class=\"cnblogs_code\">\n<pre>template &lt;class _Tp, class _Alloc&gt; class list;<\/pre>\n<\/div>\n<p>\u4f46\u5176\u5b9e\u8fd9\u4e2a\u7b54\u6848\u5e76\u4e0d\u4e00\u5b9a\u9760\u8c31\u3002\u5199\u4e00\u4e2a\u5171\u4eab\u5185\u5b58\u7684\u5206\u914d\u5668\u80af\u5b9a\u4e0d\u662f\u4ec0\u4e48\u96be\u4e8b\u3002\u96be\u5728\u5982\u679c\u6211\u4eec\u8981\u628a\u5bb9\u5668\u653e\u5165\u5171\u4eab\u5185\u5b58\u7684\u90a3\u51e0\u4e2a\u76ee\u7684\uff0c\u4f7f\u7528STL\u7684\u5bb9\u5668\u7684\u5b9e\u73b0\u3002\u4e3a\u4ec0\u4e48\u5462\uff0c\u8fd8\u662f\u56e0\u4e3a\u6307\u9488\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5f88\u591aSTL\u5bb9\u5668\u5b9e\u73b0\u91cc\u9762\u662f\u6709\u5927\u91cf\u6307\u9488\u7684\uff0c\u6bd4\u5982list\u7684\u73af\u5f62\u961f\u5217\u7684prev\u6307\u9488\u548cnext\u6307\u9488\uff0cmap\u5e95\u5c42\u7ea2\u9ed1\u6811\u5b9e\u73b0\u76843\u4e2a\u6307\u9488\uff0c\u8fd9\u4e9b\u5728\u5bb9\u5668\u5185\u90e8\u90fd\u662f\u7528\u771f\u6b63\u7684\u5185\u5b58\u5730\u5740\u8868\u793a\u7684\u3002<\/p>\n<p>\u6240\u4ee5\u8bf4\u8fd9\u4e2a\u7b54\u6848\u5b8c\u5168\u8981\u770b\u4f60\u7684STL\u7684\u5185\u90e8\u5b9e\u73b0\u662f\u5426\u6709\u6307\u9488\uff0c\u5982\u679c\u6709\uff0c\u90a3\u57fa\u672c\u4e0d\u53ef\u884c\uff08\u5f53\u7136\u4f60\u628a\u6570\u636e\u653e\u5165\u5171\u4eab\u5185\u5b58\u662f\u53ef\u4ee5\u7684\uff0c\u4f46\u4f60\u65e0\u6cd5\u5171\u4eab\u548c\u91cd\u7528\uff09\u3002\u6bd4\u5982SGI\u7684\u5b9e\u73b0\u548cSTLport\u7684\u5b9e\u73b0\u3002<\/p>\n<h3><a name=\"_Toc346479463\"><\/a>4 ACE\u7684\u4e0e\u4f4d\u7f6e\u65e0\u5173\u7684\u5206\u914d<\/h3>\n<p>\u6211\u770b\u5230\u7684\u7b2c\u4e8c\u4e2a\uff08\u5927\u7ea62005\u5e74\uff09\u65b9\u6cd5\u662fACE\u7684\uff0c\u5728\u300aACE Programmer&#8217;s Guide, The: Practical Design Patterns for Network and Systems Programming\u300b\u4e2d\u6587\u540d\u79f0\u300aACE\u7a0b\u5e8f\u5458\u6307\u5357\u300b\u4e00\u4e66\u4e2d\u6709\u76f8\u5e94\u7684\u8bf4\u660e\uff0cACE\u7684\u65b9\u6cd5\u662f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5730\u5740\u65e0\u5173\u5316\u7684\u5185\u5b58\u5206\u914d\u5668\uff08\u51c6\u786e\u8bf4\u5e94\u8be5\u662f\u63a7\u5236\u5757ACE_PI_Control_Block\uff09\uff0c\u540c\u65f6\u63d0\u4f9b\u4e00\u4e2aACE_Based_Pointer_Basic\u6a21\u677f\u6765\u8bb0\u5f55\u76f8\u5bf9\u5730\u5740\u3002\u800cACE_Based_Pointer_Basic\u6a21\u677f\u5176\u901a\u8fc7\u91cd\u8f7doperator T *()\u51fd\u6570\u8fbe\u5230\u51e0\u4e4e\u548c\u6307\u9488\u4e00\u6837\u7684\u884c\u4e3a\uff08\u5b9e\u9645\u4f1a\u8c03\u7528addr()\uff0c\u5f97\u5230\u771f\u6b63\u7684\u5730\u5740\uff09\u3002ACE\u7684\u5b9e\u73b0\u6709\u70b9\u610f\u601d\uff0c\u6211\u4eec\u4e5f\u8d39\u70b9\u529b\u6c14\u5256\u6790\u4e00\u4e0b\u3002<\/p>\n<p><a href=\"https:\/\/images0.cnblogs.com\/blog\/338451\/201301\/20212909-e6ae21a839f2427aba093b1c5f42b51d.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"https:\/\/images0.cnblogs.com\/blog\/338451\/201301\/20212922-50ccf948f1434659a3deb96cac2431ef.png\" alt=\"image\" width=\"1001\" height=\"727\" border=\"0\" \/><\/a><\/p>\n<p>\u5982\u679c\u4e0a\u56fe\u7684\u4f8b\u5b50\uff0c\u8fdb\u7a0bA\uff0cB\u5171\u4eab\u4e00\u6bb5\u5171\u4eab\u5185\u5b58\uff0c\u5206\u522b\u6620\u5c04\u5728\u4e0d\u540c\u7684\u5730\u5740\u4e0a\uff0c\u5171\u4eab\u5185\u5b58\u4e2d\u6709\u4e00\u4e2a\u7ed3\u6784S\uff0cS\u4e2d\u8981\u8bb0\u5f55\u4e00\u4e2a\u8fd9\u6bb5\u5171\u4eab\u5185\u5b58\u4e2d\u7684\u53e6\u5916\u4e00\u4e2a\u5730\u5740char *\uff0c\u7ed3\u6784S\u53ef\u4ee5\u4f7f\u7528ACE\u7684ACE_Based_Pointer_Basic&lt;char&gt; \u8bb0\u5f55\u8fd9\u4e2a\u5730\u5740\uff0cACE_Based_Pointer_Basic&lt;char&gt;\u5206\u522b\u4f7f\u75282\u4e2a\u957f\u5ea6\u8bb0\u5f55\u81ea\u5df1\u5230\u5171\u4eab\u5185\u5b58\u8d77\u59cb\u5730\u5740\u7684\u957f\u5ea6\uff0c\u4ee5\u53ca\u9700\u8981\u8bb0\u5f55\u7684\u5730\u5740\u5230\u5171\u4eab\u5185\u5b58\u7684\u8d77\u59cb\u4f4d\u7f6e\u7684\u5730\u5740\u3002\u7136\u540e\u4e24\u4e2a\u8fdb\u7a0b\u5c31\u90fd\u53ef\u4ee5\u901a\u8fc7this\u6307\u9488\uff0c\u548c2\u4e2a\u504f\u79fb\u957f\u5ea6\uff0c\u8ba1\u7b97\u5f97\u5230\u9700\u8981\u8bb0\u5f55\u7684\u5730\u5740\u3002<\/p>\n<p>ACE\u7684\u5b9e\u73b0\u4e0a\uff0c\u81ea\u5df1\u7684\u5185\u5b58\u5206\u914d\u5668\u8bb0\u5f55\u4e86\u5206\u914d\u7684\u5730\u5740\u7a7a\u95f4\u8d77\u59cb\u5730\u5740\u548c\u957f\u5ea6\uff0cACE_Based_Pointer_Basic&lt;T&gt;\u5728\u6784\u9020\u7684\u65f6\u5019\u4f1a\u6839\u636e\u81ea\u5df1\u7684\u5730\u5740\u5224\u65ad\u81ea\u5df1\u9700\u8981\u8ba1\u7b97\u7684\u8d77\u59cb\u5730\u5740\u662f\u4ec0\u4e48\u3002\u800c\u4e14\u5728\u5c01\u88c5\u4e0a\u8003\u8651\u6bd4\u8f83\u8212\u670d\u3002\u4f46\u9700\u8981\u63d0\u9192\u7684\u662f\uff0c\u4f60\u9700\u8981\u8bb0\u5f55\u7684\u5730\u5740\u5fc5\u987b\u4ecd\u7136\u662f\u8fd9\u5757\u5171\u4eab\u5185\u5b58\u4e0a\u7684\uff0c\u5426\u5219\u2026\u2026\uff08\u4e0d\u89e3\u91ca\uff09\u3002<\/p>\n<p>\u800c\u4e14\u8981\u8bf4\u660e\u7684\u662fACE\u7684\u81ea\u6709\u5bb9\u5668\u867d\u7136\u4e5f\u652f\u6301\u4f7f\u7528\u5171\u4eab\u5185\u5b58\u7684\u5206\u914d\u5668\uff0c\u4f46\u7531\u4e8eACE\u5bb9\u5668\u7684\u5185\u90e8\u4e5f\u6709\u5927\u91cf\u7684\u6307\u9488\uff0c\u800c\u4e0d\u662f\u8bb0\u5f55\u76f8\u5bf9\u5730\u5740\uff0c\u6240\u4ee5ACE\u7684\u5bb9\u5668\u5176\u5b9e\u4e5f\u4e0d\u80fd\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u3002\u6240\u4ee5ACE\u7684\u5b66\u672f\u6c14\u606f\u66f4\u52a0\u6d53\u70c8\u4e00\u70b9\uff0c\u5b9e\u7528\u6027\u5e76\u4e0d\u9ad8\uff08ACE\u7684\u5bb9\u5668\u672c\u8eab\u4e5f\u4e0d\u597d\u7528\uff09\u3002\u6240\u4ee5\u53ef\u4ee5\u8bf4\uff0cACE\u8e39\u5f00\u4e86\u90a3\u6247\u95e8\uff0c\u4f46\u5e76\u6ca1\u6709\u8fdb\u5165\u8fd9\u4e2a\u6bbf\u5802\u3002<\/p>\n<h1><a name=\"_Toc346479464\"><\/a>5 BOOST\u7684interprocess\u5bb9\u5668\u5185\u5b58\u5206\u914d\u5668<\/h1>\n<p>\u8fd9\u51e0\u5e74BOOST\u5f00\u59cb\u6d41\u884c\uff0cBOOST\u7684interprocess\u5e93\u4e2d\u4e00\u4e2a\u5728\u5171\u4eab\u5185\u5b58\u5bb9\u5668\u5185\u5b58\u5206\u914d\u5668\u7684\u5b9e\u73b0\uff0c\u4f46\u8981\u6ce8\u610f\u5176\u914d\u5408\u4f7f\u7528\u5bb9\u5668vector\uff0clist\uff0c\u662fBOOST\u81ea\u5df1\u7684container\u5bb9\u5668\u3002\u8fd9\u4e2a\u5206\u914d\u5668\u5e76\u4e0d\u80fd\u548c\u73b0\u6709\u5927\u90e8\u5206STL\u5b9e\u73b0\u914d\u5408\u4f7f\u7528\u3002<\/p>\n<p>\u53ef\u4ee5\u8bf4\u5176\u5b9eBOOST\u7684\u5b9e\u73b0\u548cACE\u7684\u601d\u8def\u662f\u7c7b\u4f3c\u7684\uff0c\u65b9\u6cd5\u4e5f\u662f\u5206\u914d\u4e00\u4e2a\u5757\u5171\u4eab\u5185\u5b58\uff0c\u4e3a\u8fd9\u5757\u5171\u4eab\u5185\u5b58\u751f\u6210\u4e00\u4e2a\u5bb9\u5668\u5185\u5b58\u5206\u914d\u5668\uff0c\u8fd9\u4e2a\u5206\u914d\u5668\u4e3a\u8fd9\u4e2a\u5bb9\u5668\u670d\u52a1\uff0c\u4f7f\u7528\u5171\u4eab\u5185\u5b58\u5bb9\u5668\u5206\u914d\u5668\u540e\uff0c\u5bb9\u5668\u5185\u90e8\u6240\u6709\u7684\u5730\u5740\u8bb0\u5f55\u76f8\u5bf9\u5730\u5740\uff0c\u800c\u4e0d\u662f\u7edd\u5bf9\u5730\u5740\u3002<\/p>\n<div class=\"cnblogs_code\">\n<pre>template &lt;class PointedType, class DifferenceType, class OffsetType, std::size_t OffsetAlignment&gt;\r\nclass offset_ptr<\/pre>\n<\/div>\n<p>\u5bf9\u6bd4ACE\uff0cBOOST\u5b9e\u73b0\u7684\u4e0d\u540c\uff0c\u4e00\u65b9\u9762BOOST\u7684\u5171\u4eab\u5185\u5b58\u7ba1\u7406\u548c\u5bb9\u5668\u5185\u5b58\u5206\u914d\u5668\u7684\u601d\u8def\u5f88\u6e05\u6670\uff0c\u6574\u4f53\u8bbe\u8ba1\u601d\u8def\u8fd8\u662f\u5728STL\u7684\u4f53\u7cfb\u4e4b\u4e0b\uff0cACE\u8bde\u751f\u7684\u5e74\u4ee3\u8fc7\u65e9\uff0c\u5bb9\u5668\u6574\u4f53\u4f53\u7cfb\u548cSTL\u5b8c\u5168\u4e0d\u76f8\u5bb9\uff0c\u53e6\u5916\u4e00\u65b9\u9762\uff0cBOOST\u5728\u76f8\u5bf9\u5730\u5740\u7684\u5904\u7406\u4e0a\u4e5f\u7b80\u5355\u4e00\u70b9\u3002\u4ed6\u53ea\u8bb0\u5f55offset_ptr\u5bf9\u8c61\u7684this\u5730\u5740\u5230\u9700\u8981\u8bb0\u5f55\u7684\u5730\u5740\u4e4b\u95f4\u7684\u957f\u5ea6\u3002<\/p>\n<p><a href=\"https:\/\/images0.cnblogs.com\/blog\/338451\/201301\/20212924-fa25991b2df04a1eb1c4b487c4f64111.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"https:\/\/images0.cnblogs.com\/blog\/338451\/201301\/20212931-3848c02088f44adab468f7e10b4c8a13.png\" alt=\"image\" width=\"991\" height=\"506\" border=\"0\" \/><\/a><\/p>\n<p>\u53e6\u5916\uff0cBOOST\u4ee3\u7801\u867d\u7136\u6761\u7406\u4e0a\u548cSTL\u5bb9\u5668\u4e00\u81f4\uff0c\u4f46BOOST\u7684\u4ee3\u7801\u9605\u8bfb\u96be\u5ea6\u81f3\u5c11double\u4e8eSTLPort\uff0c\u4f20\u7edf\u8c03\u8bd5\u8ddf\u8e2a\u4ee3\u7801\u7684\u65b9\u5f0f\u5355\u6b65\u8ddf\u8e2a\u867d\u7136\u6709\u6548\uff0c\u4f46\u662f\u5f88\u591a\u53d8\u91cf\u90fd\u65e0\u6cd5\u67e5\u8be2\u5230\u5b9e\u9645\u503c\uff0c\u5b8f\u6ee1\u5929\u98de\u3002\u671f\u5f85\u5256\u6790BOOST\u4ee3\u7801\u7684\u5927\u795e\u51fa\u73b0\u3002<\/p>\n<h1><a name=\"_Toc346479465\"><\/a>6 \u5171\u4eab\u5185\u5b58\u7684\u5bb9\u91cf<\/h1>\n<p>\u800c\u4e14\u53e6\u5916\u4e00\u4e2a\u5c0f\u95ee\u9898\u662f\uff0c\u6211\u4eec\u7533\u8bf7\u7684\u5171\u4eab\u5185\u5b58\u7684\u5927\u5c0f\u90fd\u662f\u6709\u4e00\u4e2a\u5927\u5c0f\u9650\u5ea6\u7684\uff0c\u800cSTL\u5bb9\u5668\u5f80\u5f80\u6709\u968f\u9700\u589e\u957f\u7684\u7279\u70b9\uff0c\u800c\u8fd9\u4e2a\u7279\u70b9\u548c\u5171\u4eab\u5185\u5b58\u5176\u5b9e\u4e5f\u6709\u4e00\u4e9b\u4e0d\u8c03\u548c\u6027\u3002<\/p>\n<p>ACE\u7684\u95ee\u9898\u5728\u8fd9\u4e2a\u95ee\u9898\u4e0a\u7ed9\u51fa\u8fc7\u4e00\u4e9b\u5b66\u672f\u89e3\uff0c\u4f9d\u9760\u4fe1\u53f7\uff0c\u5f02\u5e38\u7b49\u65b9\u5f0f\uff0c\u7ed9\u4f60\u673a\u4f1a\u81ea\u5df1\u6269\u5c55\u5185\u5b58\uff0c\u4f46\u4f30\u8ba1\u4e5f\u5c31\u9650\u4e8e\u5b66\u672f\u63a2\u8ba8\u8303\u56f4\u3002<\/p>\n<p>BOOST\u5728\u8fd9\u4e2a\u95ee\u9898\u4e0a\u66f4\u52a0\u660e\u4e86\uff0c\u5f53\u5185\u5b58\u4e0d\u591f\u5206\u914d\u7684\u65f6\u5019\u629b\u51fabad_alloc\u5f02\u5e38\u3002\u53cd\u800c\u66f4\u52a0\u6e05\u6670\u4e00\u70b9\u3002<\/p>\n<h1><a name=\"_Toc346479466\"><\/a>7 \u53e6\u5916\u4e00\u79cd\u89e3\u601d\u8003,\u56fa\u5b9a\u6700\u5927\u957f\u5ea6\u7684\u5bb9\u5668<\/h1>\n<p>BOOST\u7684\u5b9e\u73b0\u56fa\u7136\u4e0d\u9519\uff0c\u4f46\u4e5f\u6709\u51e0\u4e2a\u5e76\u4e0d\u90a3\u4e48\u5b8c\u7f8e\u7684\u5730\u65b9\uff0c\u800c\u4e14\u5f53\u65f6\u53ef\u4ee5\u53c2\u8003\u7684\u601d\u8def\u8fd8\u6ca1\u6709\u8fd9\u6837\u591a\uff0c\uff08\u6211\u81ea\u5df1\u5b9e\u73b0\u81ea\u5df1\u5bb9\u5668\u7684\u65f6\u5019\u662f2005\u5e74\uff0cBOOST\u7684interprocess\u7684\u5e93\u572808\u5e74\u624d\u51fa\u73b0\uff09<\/p>\n<p>\u7b2c\u4e00\uff0c\u653e\u5165N\u4e2aT\u7c7b\u578b\u7684\u6570\u636e\u7684\u5bb9\u5668\u5230\u5e95\u9700\u8981\u591a\u5927\u5171\u4eab\u5185\u5b58\uff1f\u56e0\u4e3a\u5bb9\u5668\u672c\u8eab\u662f\u6709\u6d88\u8017\uff0c\u800c\u8fd9\u70b9BOOST\u5e76\u6ca1\u6709\u63a5\u53e3\u544a\u8bc9\u6211\u3002\u5bf9\u4e8e\u4f7f\u7528\u5171\u4eab\u5185\u5b58\u7684\u5bb9\u5668\uff0c\u6211\u4eec\u90fd\u77e5\u9053\u6211\u4eec\u9700\u8981\u4f7f\u7528\u7684\u6700\u5927\u6570\u91cf\u662f\u591a\u5c11\u3002<\/p>\n<p>\u7b2c\u4e8c\uff0c\u5982\u679c\u6700\u5927\u7684\u5c3a\u5bf8\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u3002\u90a3\u4e48\u5176\u5b9e\u6211\u4eec\u5bf9\u4e8e\u6240\u6709\u7684\u53ef\u4ee5\u5728\u4e00\u5f00\u59cb\u5c31\u5206\u914d\u597d\u7a7a\u95f4\uff0c\u800c\u4e0d\u662f\u5728\u6bcf\u6b21push_back\u7684\u65f6\u5019\u8c03\u7528alloctor\u53bb\u5206\u914d\u5730\u5740\uff0c\u5176\u5b9ealloctor\u5185\u90e8\u4ecd\u7136\u4f7f\u7528\u4e86\u7ea2\u9ed1\u6811\u53bb\u7ba1\u7406\u6240\u6709\u7684\u5206\u914d\u5730\u5740\uff0c\u5766\u767d\u8bf4\u9ebb\u70e6\u3002\u800c\u4e14\u7531\u4e8e\u6700\u5927\u5c3a\u5bf8\u56fa\u5b9a\uff0c\u6211\u4eec\u6240\u6709\u7684\u6570\u636e\u7684\u5185\u90e8\u4f4d\u7f6e\u5173\u7cfb\u90fd\u53ef\u4ee5\u91c7\u7528\u6570\u7ec4\u4e0b\u6807\u5b9a\u4f4d\u3002\u8fd9\u6837\u4e5f\u5c31\u4e00\u6837\u7701\u53bb\u4e86\u6307\u9488\u7684\u9ebb\u70e6\u3002<\/p>\n<p>\u7efc\u5408\u4e0a\u9762\u7684\u8003\u8651\u3002\u6211\u4eec\u5f53\u65f6\u7684\u8bbe\u8ba1\u601d\u8def\u5927\u81f4\u662f\uff0c\u6839\u636e\u4f60\u4f20\u5165\u7684\u53c2\u6570\u5224\u5b9a\u544a\u77e5\u8c03\u7528\u8005\u6240\u9700\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u8c03\u7528\u8005\u81ea\u5df1\u5206\u914d\u597d\u5185\u5b58\uff08\u53ef\u4ee5\u662f\u5171\u4eab\u5185\u5b58\uff09\uff0c\u6839\u636e\u5206\u914d\u7684\u5185\u5b58\u5730\u5740\u6784\u9020\u4e00\u4e2a\u5bb9\u5668\uff0c\u5bb9\u5668\u7684\u64cd\u4f5c\u548c\u6a21\u677f\u57fa\u672c\u4e00\u81f4\uff0c\u4e5f\u63d0\u4f9b\u8fed\u4ee3\u5668\u7b49\u65b9\u6cd5\u7b49\u65b9\u6cd5\u8bbf\u95ee\uff0c\u5bb9\u5668\u7684\u5185\u90e8\u7ed3\u6784\u5982\u4e0b\u56fe\u3002<\/p>\n<p><a href=\"https:\/\/images0.cnblogs.com\/blog\/338451\/201301\/20212934-657a56b9b0c44e3db37a4e773c915ec1.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"https:\/\/images0.cnblogs.com\/blog\/338451\/201301\/20212939-d4cf2f73e390431887cc0a031c37f731.png\" alt=\"image\" width=\"856\" height=\"455\" border=\"0\" \/><\/a><\/p>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u548cSTL\u5bb9\u5668\u7684\u8bed\u6cd5\u57fa\u672c\u517c\u5bb9\uff0c\u6027\u80fd\u6bd4BOOST\u7684\u90a3\u4e2a\u901f\u5ea6\u5e94\u8be5\u8981\u5feb\u4e00\u70b9\uff08\u4e0d\u7528\u5728\u6bcf\u6b21\u90fdalloc\u4e00\u4e2anode\u8282\u70b9\uff09\u3002\u5bf8\u6709\u6240\u957f\uff0c\u5c3a\u6709\u6240\u77ed\uff0c\u8fd9\u4e5f\u7b97\u4e00\u4e2a\u601d\u8def\u628a\u3002<\/p>\n<p>\u5177\u4f53\u7684\u4ee3\u7801\u4ee5\u540e\u4f30\u8ba1\u4f1a\u5f00\u6e90\u3002<\/p>\n<h1><a name=\"_Toc346479467\"><\/a>8 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rel=\"noopener\">C++\u662f\u4fc3\u8fdb\u8111\u6b7b\u4ea1\u7684\u6700\u4f73\u65b9\u5f0f<\/a><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C++\u5bb9\u5668\u6a21\u677f\u5728\u5171\u4eab\u5185\u5b58\u4e2d\u7684\u4f7f\u7528 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