{"id":116082,"date":"2026-10-20T18:25:13","date_gmt":"2026-10-20T10:25:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/116082.html"},"modified":"2026-10-20T18:25:13","modified_gmt":"2026-10-20T10:25:13","slug":"%e3%80%90linux%e6%8c%87%e5%8d%97%e3%80%91%e8%bf%9b%e7%a8%8b%e9%80%9a%e4%bf%a1%e7%b3%bb%e5%88%97%ef%bc%88%e4%b8%80%ef%bc%89%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e8%bf%9b%e7%a8%8b%e4%b8%8d%e8%83%bd","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/116082.html","title":{"rendered":"\u3010Linux\u6307\u5357\u3011\u8fdb\u7a0b\u901a\u4fe1\u7cfb\u5217\uff08\u4e00\uff09\uff1a\u4e3a\u4ec0\u4e48\u8fdb\u7a0b\u4e0d\u80fd\u76f4\u63a5\u8bf4\u8bdd \u2014\u2014 IPC \u7684\u5fc5\u8981\u6027\u4e0e Linux IPC \u5168\u666f"},"content":{"rendered":"<p>        \/* MD \/ \u5bcc\u6587\u672c\u4e2d\u7684 .toc\uff08\u542b\u535a\u5ba2\u56ed\u642c\u5bb6\u7b49\u5d4c\u5957\u7ed3\u6784\uff09\uff1b.toc-box \u5728\u4fa7\u680f\uff0c\u4e0d\u53d7\u5f71\u54cd *\/<br \/>\n        #content_views .toc,<br \/>\n        \/* \u7f16\u8f91\u5668\u5e38\u5728\u76ee\u5f55\u524d\u540e\u63d2\u5165\u7a7a p\uff08:empty \u4ecd\u5360 20px\uff09\uff0c\u4e00\u5e76\u53bb\u6389\u907f\u514d\u9876\u7a7a\u9699 *\/<br \/>\n        #content_views.markdown_views &gt; p:empty:has(+ .toc),<br \/>\n        #content_views.markdown_views &gt; .toc + p:empty,<br \/>\n        \/* \u5bcc\u6587\u672c\u65e7\u7248\u76ee\u5f55\u6807\u8bb0 *\/<br \/>\n        #content_views.htmledit_views #main-toc,<br \/>\n        #content_views.htmledit_views #hr-toc,<br \/>\n        #content_views.htmledit_views p[id*=\\&#8221;-toc\\&#8221;] {<br \/>\n          display: none !important;<br \/>\n        }<br \/>\n        \/* \u76ee\u5f55\u53bb\u6389\u540e\uff0c\u7d27\u8ddf\u7684\u9996\u4e2a\u6807\u9898\u4e0d\u518d\u591a\u51fa\u4e00\u5757\u4e0a\u8fb9\u8ddd *\/<br \/>\n        #content_views.markdown_views &gt; .toc + h1,<br \/>\n        #content_views.markdown_views &gt; .toc + h2,<br \/>\n        #content_views.markdown_views &gt; .toc + h3,<br \/>\n        #content_views.markdown_views &gt; .toc + h4,<br \/>\n        #content_views.markdown_views &gt; .toc + p:empty + h1,<br \/>\n        #content_views.markdown_views &gt; .toc + p:empty + h2,<br \/>\n        #content_views.markdown_views &gt; .toc + p:empty + h3,<br \/>\n        #content_views.markdown_views &gt; .toc + p:empty + h4 {<br \/>\n          margin-top: 0 !important;<br \/>\n        }<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020102503-6ad7417f8bb01.png\" alt=\"b1125752b256964a51c20f35dfb10c0e.png\" \/><\/p>\n<p>\u5728 Linux \u8fdb\u7a0b\u63a7\u5236\u7cfb\u7edf\u4e2d&#xff0c;\u6211\u4eec\u82b1\u4e86\u5927\u91cf\u7bc7\u5e45\u8bb2 \u8fdb\u7a0b\u7684\u72ec\u7acb\u6027&#xff1a;\u6bcf\u4e2a\u8fdb\u7a0b\u62e5\u6709\u72ec\u7acb\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\u3001\u72ec\u7acb\u7684\u9875\u8868\u3001\u72ec\u7acb\u7684\u5185\u6838\u6570\u636e\u7ed3\u6784\u3002\u72ec\u7acb\u6027\u662f\u64cd\u4f5c\u7cfb\u7edf\u7684 \u201c\u62a4\u57ce\u6cb3\u201d \u2014\u2014 \u5b83\u4fdd\u8bc1\u4e00\u4e2a\u8fdb\u7a0b\u5d29\u6e83\u4e0d\u4f1a\u6ce2\u53ca\u522b\u4eba&#xff0c;\u4e00\u4e2a\u8fdb\u7a0b\u7684\u6570\u636e\u4e0d\u4f1a\u88ab\u968f\u610f\u7aa5\u63a2\u3002\u4f46\u786c\u5e01\u7684\u53e6\u4e00\u9762\u5f88\u5feb\u5c31\u4f1a\u663e\u73b0&#xff1a;\u5f53\u4e24\u4e2a\u8fdb\u7a0b\u771f\u7684\u9700\u8981\u534f\u4f5c\u65f6&#xff0c;\u72ec\u7acb\u6027\u53cd\u800c\u6210\u4e86\u6700\u5927\u7684\u969c\u788d\u3002\u5c0f\u5230 Shell \u91cc\u4e00\u53e5 ls | grep txt&#xff0c;\u5927\u5230 Nginx \u4e3b\u8fdb\u7a0b\u5411\u5de5\u4f5c\u8fdb\u7a0b\u6d3e\u53d1\u8fde\u63a5&#xff0c;\u80cc\u540e\u90fd\u8981\u89e3\u51b3\u540c\u4e00\u4e2a\u95ee\u9898 \u2014\u2014 \u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff08;IPC&#xff0c;Inter-Process Communication&#xff09;\u3002\u672c\u7bc7\u6587\u7ae0\u662f\u6574\u4e2a\u8fdb\u7a0b\u901a\u4fe1\u7cfb\u5217\u7684\u5f00\u7bc7&#xff0c;\u4e0d\u6025\u7740\u4e0a\u63a5\u53e3\u3001\u5199\u4ee3\u7801&#xff0c;\u800c\u662f\u5148\u628a\u4e09\u4e2a\u6839\u672c\u95ee\u9898\u8bb2\u900f&#xff1a;\u4e3a\u4ec0\u4e48\u8fdb\u7a0b\u4e0d\u80fd\u76f4\u63a5\u901a\u4fe1&#xff1f;\u901a\u4fe1\u7684\u672c\u8d28\u662f\u4ec0\u4e48&#xff1f;Linux \u63d0\u4f9b\u4e86\u54ea\u4e9b\u901a\u4fe1\u65b9\u6848&#xff1f; \u628a\u8fd9\u6761\u4e3b\u7ebf\u7acb\u4f4f&#xff0c;\u540e\u9762\u7ba1\u9053\u3001\u5171\u4eab\u5185\u5b58\u3001\u6d88\u606f\u961f\u5217\u3001\u4fe1\u53f7\u91cf\u7684\u6240\u6709\u7ec6\u8282\u90fd\u4f1a\u53d8\u5f97\u987a\u7406\u6210\u7ae0\u3002<\/p>\n<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u4e00\u3001\u5148\u641e\u61c2&#xff1a;\u4e3a\u4ec0\u4e48\u8fdb\u7a0b\u4e4b\u95f4\u4e0d\u80fd\u76f4\u63a5 &#034;\u8bf4\u8bdd&#034;&#xff1f;<\/li>\n<li>\n<ul>\n<li>1.1 \u4e00\u4e2a\u770b\u4f3c\u7b80\u5355\u7684\u9700\u6c42<\/li>\n<li>1.2 \u73b0\u8c61\u80cc\u540e&#xff1a;\u865a\u62df\u5730\u5740\u7a7a\u95f4\u4e0e\u5199\u65f6\u62f7\u8d1d<\/li>\n<li>1.3 \u72ec\u7acb\u6027\u662f\u7f3a\u70b9\u5417&#xff1f;\u2014\u2014 \u662f\u8bbe\u8ba1&#xff0c;\u4e0d\u662f\u7f3a\u9677<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u56db\u5927\u76ee\u7684<\/li>\n<li>\n<ul>\n<li>2.1 \u6570\u636e\u4f20\u8f93<\/li>\n<li>2.2 \u8d44\u6e90\u5171\u4eab<\/li>\n<li>2.3 \u901a\u77e5\u4e8b\u4ef6<\/li>\n<li>2.4 \u8fdb\u7a0b\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001IPC \u7684\u672c\u8d28&#xff1a;\u8ba9\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4efd &#034;\u516c\u5171\u8d44\u6e90&#034;<\/li>\n<li>\n<ul>\n<li>3.1 \u63a8\u5bfc&#xff1a;\u901a\u4fe1\u7684\u524d\u63d0\u662f &#034;\u770b\u89c1&#034;<\/li>\n<li>3.2 \u8c01\u63d0\u4f9b\u901a\u4fe1\u80fd\u529b&#xff1f;\u2014\u2014 \u53ea\u80fd\u662f\u64cd\u4f5c\u7cfb\u7edf<\/li>\n<li>3.3 \u4f7f\u7528\u65b9\u5f0f&#xff1a;\u7cfb\u7edf\u8c03\u7528\u662f\u552f\u4e00\u7684\u5b98\u65b9\u901a\u9053<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u70ed\u8eab&#xff1a;\u5176\u5b9e\u4f60\u6bcf\u5929\u90fd\u5728\u7528 IPC<\/li>\n<li>\u4e94\u3001Linux IPC \u7684\u53d1\u5c55\u53f2\u4e0e\u5168\u666f\u5206\u7c7b<\/li>\n<li>\n<ul>\n<li>5.1 \u4e00\u6761\u6f14\u8fdb\u65f6\u95f4\u7ebf<\/li>\n<li>5.2 \u5168\u666f\u5206\u7c7b\u56fe<\/li>\n<li>5.3 \u672c\u7cfb\u5217\u600e\u4e48\u8bb2&#xff1f;<\/li>\n<\/ul>\n<\/li>\n<li>\u516d\u3001\u51e0\u4e2a\u5bb9\u6613\u6df7\u6dc6\u7684\u95ee\u9898<\/li>\n<li>\n<ul>\n<li>6.1 \u4e24\u4e2a\u8fdb\u7a0b\u8bfb\u5199\u540c\u4e00\u4e2a\u78c1\u76d8\u6587\u4ef6&#xff0c;\u7b97 IPC \u5417&#xff1f;<\/li>\n<li>6.2 IPC \u548c\u7f51\u7edc\u901a\u4fe1\u662f\u4e00\u56de\u4e8b\u5417&#xff1f;<\/li>\n<li>6.3 \u7ebf\u7a0b\u4e4b\u95f4\u9700\u8981 IPC \u5417&#xff1f;<\/li>\n<\/ul>\n<\/li>\n<li>\u4e03\u3001\u603b\u7ed3\u4e0e\u4e0b\u4e00\u7bc7\u9884\u544a<\/li>\n<li>\n<ul>\n<li>7.1 \u672c\u7bc7\u6838\u5fc3\u7ed3\u8bba<\/li>\n<li>7.2 \u4e0b\u4e00\u7bc7\u9884\u544a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u4e00\u3001\u5148\u641e\u61c2&#xff1a;\u4e3a\u4ec0\u4e48\u8fdb\u7a0b\u4e4b\u95f4\u4e0d\u80fd\u76f4\u63a5 \u201c\u8bf4\u8bdd\u201d&#xff1f;<\/h3>\n<h4>1.1 \u4e00\u4e2a\u770b\u4f3c\u7b80\u5355\u7684\u9700\u6c42<\/h4>\n<p>\u5148\u770b\u4e00\u4e2a\u518d\u81ea\u7136\u4e0d\u8fc7\u7684\u9700\u6c42&#xff1a;\u7236\u8fdb\u7a0b\u521b\u5efa\u4e86\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u53bb\u4e0b\u8f7d\u6587\u4ef6&#xff0c;\u7236\u8fdb\u7a0b\u60f3\u77e5\u9053 \u201c\u4e0b\u8f7d\u7684\u8fdb\u5ea6\u600e\u4e48\u6837\u4e86\u201d\u3002<\/p>\n<p>\u6309\u7167\u5199\u666e\u901a\u7a0b\u5e8f\u7684\u76f4\u89c9&#xff0c;\u4f60\u53ef\u80fd\u4f1a\u60f3&#xff1a;\u5b9a\u4e49\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf int g_val &#061; 0;&#xff0c;\u5b50\u8fdb\u7a0b\u66f4\u65b0\u5b83&#xff0c;\u7236\u8fdb\u7a0b\u8bfb\u5b83&#xff0c;\u4e0d\u5c31\u5b8c\u4e86\u5417&#xff1f;\u6211\u4eec\u6765\u8bd5\u4e00\u4e0b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ independence.c \u2014\u2014 \u7236\u5b50\u8fdb\u7a0b\u5404\u6539\u5404\u7684\u53d8\u91cf<\/span><br \/>\n<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><br \/>\n<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><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/wait.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> g_val <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u5168\u5c40\u53d8\u91cf&#xff0c;\u7236\u5b50\u8fdb\u7a0b&#034;\u770b\u8d77\u6765&#034;\u5171\u4eab<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">pid_t<\/span> id <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>id <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5b50\u8fdb\u7a0b&#xff1a;\u628a g_val \u6539\u6210 200<\/span><br \/>\n        g_val <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5b50\u8fdb\u7a0b:  \u6211\u628a g_val \u6539\u6210\u4e86 %d&#xff0c;\u5730\u5740\u662f %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> g_val<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>g_val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7236\u8fdb\u7a0b&#xff1a;\u7b49\u5f85\u5b50\u8fdb\u7a0b\u9000\u51fa\u540e&#xff0c;\u8bfb\u4e00\u4e0b g_val<\/span><br \/>\n    <span class=\"token function\">waitpid<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7236\u8fdb\u7a0b:  \u6211\u770b\u5230\u7684 g_val \u8fd8\u662f %d&#xff0c;\u5730\u5740\u662f %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> g_val<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>g_val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7f16\u8bd1\u8fd0\u884c&#xff08;gcc independence.c -o independence &amp;&amp; .\/independence&#xff09;&#xff0c;\u7ed3\u679c\u7c7b\u4f3c&#xff1a;<\/p>\n<p>\u5b50\u8fdb\u7a0b:  \u6211\u628a g_val \u6539\u6210\u4e86 200&#xff0c;\u5730\u5740\u662f 0x5591a8c01014<br \/>\n\u7236\u8fdb\u7a0b:  \u6211\u770b\u5230\u7684 g_val \u8fd8\u662f 100&#xff0c;\u5730\u5740\u662f 0x5591a8c01014<\/p>\n<p>\u4e00\u4e2a\u975e\u5e38\u6709\u610f\u601d\u7684\u73b0\u8c61&#xff1a;\u4e24\u8fb9\u7684\u5730\u5740\u4e00\u6a21\u4e00\u6837&#xff0c;\u503c\u5374\u4e0d\u4e00\u6837\u3002\u5b50\u8fdb\u7a0b\u660e\u660e\u628a\u53d8\u91cf\u6539\u6210\u4e86 200&#xff0c;\u7236\u8fdb\u7a0b\u8bfb\u5230\u7684\u4f9d\u7136\u662f 100\u3002<\/p>\n<h4>1.2 \u73b0\u8c61\u80cc\u540e&#xff1a;\u865a\u62df\u5730\u5740\u7a7a\u95f4\u4e0e\u5199\u65f6\u62f7\u8d1d<\/h4>\n<p>\u8fd9\u4e2a\u73b0\u8c61\u5728[\u300a\u8fdb\u7a0b\u6df1\u5ea6\u89e3\u6790&#xff08;\u4e94&#xff09;&#xff1a;\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4\u300b](Linux \u8fdb\u7a0b\u6df1\u5ea6\u89e3\u6790&#xff08;\u4e94&#xff09;&#xff1a;\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4 \u2014\u2014 \u8fdb\u7a0b\u7684\u72ec\u7acb\u5185\u5b58\u738b\u56fd-CSDN\u535a\u5ba2)\u548c[\u300a\u8fdb\u7a0b\u63a7\u5236\u7cfb\u5217&#xff08;\u4e00&#xff09;&#xff1a;fork \u4e0e\u5199\u65f6\u62f7\u8d1d\u300b](\u3010Linux\u6307\u5357\u3011\u8fdb\u7a0b\u63a7\u5236\u7cfb\u5217&#xff08;\u4e00&#xff09;\u8fdb\u7a0b\u521b\u5efa \u2014\u2014fork \u51fd\u6570\u4e0e\u5199\u65f6\u62f7\u8d1d&#xff08;COW&#xff09;\u6df1\u5ea6\u89e3\u6790_linux \u8fdb\u7a0b\u521b\u5efa cow-CSDN\u535a\u5ba2)\u91cc\u5df2\u7ecf\u6df1\u5165\u5206\u6790\u8fc7&#xff0c;\u8fd9\u91cc\u53ea\u505a\u7b80\u8981\u56de\u987e&#xff0c;\u56e0\u4e3a\u5b83\u6b63\u662f IPC \u5b58\u5728\u7684\u6839\u6e90&#xff1a;<\/p>\n<li>\u8fdb\u7a0b\u770b\u5230\u7684 \u201c\u5730\u5740\u201d \u662f\u865a\u62df\u5730\u5740\u3002\u7236\u5b50\u8fdb\u7a0b\u6253\u5370\u7684 0x5591&#8230; \u90fd\u53ea\u662f\u5404\u81ea\u865a\u62df\u5730\u5740\u7a7a\u95f4\u91cc\u7684\u5730\u5740&#xff0c;\u9700\u8981\u7ecf\u8fc7\u5404\u81ea\u8fdb\u7a0b\u7684\u9875\u8868\u7ffb\u8bd1\u624d\u80fd\u843d\u5230\u7269\u7406\u5185\u5b58\u3002<\/li>\n<li>fork \u4e4b\u540e\u89e6\u53d1\u5199\u65f6\u62f7\u8d1d&#xff08;COW&#xff09;\u3002fork \u521b\u5efa\u5b50\u8fdb\u7a0b\u65f6&#xff0c;\u7236\u5b50\u5148\u5171\u4eab\u540c\u4e00\u6279\u7269\u7406\u9875&#xff08;\u53ea\u8bfb&#xff09;&#xff1b;\u4e00\u65e6\u4efb\u4f55\u4e00\u65b9\u5c1d\u8bd5\u5199\u5165&#xff08;\u6bd4\u5982\u5b50\u8fdb\u7a0b\u6267\u884c g_val &#061; 200&#xff09;&#xff0c;\u5185\u6838\u5c31\u4f1a\u7acb\u523b\u4e3a\u5199\u5165\u65b9\u590d\u5236\u4e00\u4efd\u65b0\u7684\u7269\u7406\u9875&#xff0c;\u518d\u6539\u5199\u5b83\u7684\u9875\u8868\u6620\u5c04\u3002<\/li>\n<li>\u4e8e\u662f\u4ece\u5199\u5165\u90a3\u4e00\u523b\u8d77&#xff0c;\u7236\u5b50\u8fdb\u7a0b\u7684\u540c\u540d\u53d8\u91cf\u5df2\u7ecf\u6307\u5411\u4e24\u5757\u4e0d\u540c\u7684\u7269\u7406\u5185\u5b58\u2014\u2014\u865a\u62df\u5730\u5740\u76f8\u540c&#xff0c;\u53ea\u662f\u5404\u81ea\u9875\u8868\u7ffb\u8bd1\u7684\u7ec8\u70b9\u4e0d\u540c\u3002<\/li>\n<p>\u7528\u4e00\u5f20\u56fe\u770b\u6e05\u695a\u8fd9\u4e2a \u201c\u5206\u5bb6\u201d \u8fc7\u7a0b&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020102505-6ad7418115431.png\" alt=\"image.png\" \/><\/p>\n<p>\u8fd9\u5c31\u662f\u8fdb\u7a0b\u72ec\u7acb\u6027\u7684\u843d\u5730\u8868\u73b0&#xff1a;\u64cd\u4f5c\u7cfb\u7edf\u523b\u610f\u8ba9\u6bcf\u4e2a\u8fdb\u7a0b\u6d3b\u5728\u81ea\u5df1\u7684 \u201c\u5185\u5b58\u738b\u56fd\u201d \u91cc&#xff0c;\u56fd\u738b\u6362\u4e86\u591a\u5c11\u91d1\u5e01&#xff0c;\u90bb\u56fd\u662f\u770b\u4e0d\u89c1\u7684\u3002<\/p>\n<h4>1.3 \u72ec\u7acb\u6027\u662f\u7f3a\u70b9\u5417&#xff1f;\u2014\u2014 \u662f\u8bbe\u8ba1&#xff0c;\u4e0d\u662f\u7f3a\u9677<\/h4>\n<p>\u4f60\u53ef\u80fd\u4f1a\u60f3&#xff1a;\u65e2\u7136\u8fd9\u4e48\u9ebb\u70e6&#xff0c;\u4e3a\u4ec0\u4e48\u4e0d\u5e72\u8106\u8ba9\u6240\u6709\u8fdb\u7a0b\u5171\u4eab\u5185\u5b58&#xff0c;\u901a\u4fe1\u4e0d\u5c31\u7b80\u5355\u4e86&#xff1f;<\/p>\n<p>\u6070\u6070\u76f8\u53cd&#xff0c;\u9694\u79bb\u662f\u64cd\u4f5c\u7cfb\u7edf\u7a33\u5b9a\u6027\u7684\u57fa\u77f3&#xff1a;<\/p>\n<ul>\n<li>\u4e00\u4e2a\u8fdb\u7a0b\u91ce\u6307\u9488\u8d8a\u754c\u3001\u5185\u5b58\u5199\u5d29&#xff0c;\u53ea\u6c61\u67d3\u81ea\u5df1\u7684\u5730\u5740\u7a7a\u95f4&#xff0c;\u5176\u4ed6\u8fdb\u7a0b\u548c\u5185\u6838\u6beb\u53d1\u65e0\u4f24&#xff1b;<\/li>\n<li>\u6076\u610f\u7a0b\u5e8f\u65e0\u6cd5\u76f4\u63a5\u8bfb\u53d6\u522b\u7684\u8fdb\u7a0b\u7684\u5bc6\u7801\u3001\u5bc6\u94a5\u7b49\u654f\u611f\u6570\u636e&#xff1b;<\/li>\n<li>\u51fa\u95ee\u9898\u7684\u8fdb\u7a0b\u53ef\u4ee5\u88ab\u5355\u72ec\u7ec8\u6b62\u3001\u5355\u72ec\u56de\u6536&#xff0c;\u4e0d\u5f71\u54cd\u6574\u4e2a\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<p>\u6240\u4ee5\u6b63\u786e\u7684\u7406\u89e3\u662f&#xff1a;\u8fdb\u7a0b\u9694\u79bb\u662f \u201c\u9ed8\u8ba4\u72b6\u6001\u201d&#xff0c;\u901a\u4fe1\u662f \u201c\u9700\u8981\u989d\u5916\u7533\u8bf7\u7684\u7279\u6743\u670d\u52a1\u201d\u3002\u5f53\u8fdb\u7a0b\u786e\u5b9e\u9700\u8981\u534f\u4f5c\u65f6&#xff0c;\u4e0d\u80fd\u9760 \u201c\u62c6\u5899\u201d&#xff0c;\u800c\u8981\u8d70\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684 \u201c\u5b98\u65b9\u901a\u9053\u201d\u2014\u2014 \u8fd9\u5c31\u662f IPC\u3002<\/p>\n<h3>\u4e8c\u3001\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u56db\u5927\u76ee\u7684<\/h3>\n<p>\u5728\u52a8\u624b\u5b66\u4efb\u4f55\u4e00\u79cd IPC \u4e4b\u524d&#xff0c;\u5148\u660e\u786e \u201c\u6211\u4eec\u8981\u7528 IPC \u5e72\u4ec0\u4e48\u201d\u3002\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u76ee\u7684\u5f52\u7eb3\u4e3a\u56db\u7c7b&#xff0c;\u6bcf\u4e00\u7c7b\u90fd\u5bf9\u5e94\u7740\u771f\u5b9e\u7cfb\u7edf\u4e2d\u968f\u5904\u53ef\u89c1\u7684\u573a\u666f&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020102506-6ad741826d275.png\" alt=\"image.png\" \/><\/p>\n<h4>2.1 \u6570\u636e\u4f20\u8f93<\/h4>\n<p>\u4e00\u4e2a\u8fdb\u7a0b\u9700\u8981\u628a\u5b83\u7684\u6570\u636e\u53d1\u9001\u7ed9\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u3002<\/p>\n<ul>\n<li>Shell \u91cc ls | grep txt&#xff1a;ls \u8fdb\u7a0b\u628a\u81ea\u5df1\u7684\u8f93\u51fa \u201c\u4f20\u201d \u7ed9 grep \u8fdb\u7a0b&#xff1b;<\/li>\n<li>\u65e5\u5fd7\u8fdb\u7a0b\u628a\u65e5\u5fd7\u5185\u5bb9\u4ea4\u7ed9\u843d\u76d8\u8fdb\u7a0b\u7edf\u4e00\u5199\u5165&#xff1b;<\/li>\n<li>\u722c\u866b\u4e3b\u8fdb\u7a0b\u628a\u89e3\u6790\u597d\u7684 URL \u4ea4\u7ed9\u4e0b\u8f7d\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u662f\u6700\u76f4\u89c2\u7684\u4e00\u7c7b&#xff1a;\u6570\u636e\u672c\u8eab\u8981\u4ece\u8fdb\u7a0b A \u6d41\u52a8\u5230\u8fdb\u7a0b B\u3002<\/p>\n<h4>2.2 \u8d44\u6e90\u5171\u4eab<\/h4>\n<p>\u591a\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u8bbf\u95ee\u3001\u4f7f\u7528\u540c\u4e00\u4efd\u8d44\u6e90\u3002<\/p>\n<ul>\n<li>\u591a\u4e2a\u4e1a\u52a1\u8fdb\u7a0b\u5171\u4eab\u4e00\u4efd\u53ea\u8bfb\u914d\u7f6e\u8868&#xff1b;<\/li>\n<li>\u591a\u4e2a\u8fdb\u7a0b\u5171\u540c\u7ef4\u62a4\u4e00\u5f20 \u201c\u5728\u7ebf\u7528\u6237\u8868\u201d&#xff0c;\u8c01\u90fd\u53ef\u4ee5\u8bfb\u5199\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<p>\u6ce8\u610f\u5b83\u548c\u6570\u636e\u4f20\u8f93\u7684\u533a\u522b&#xff1a;\u6570\u636e\u4f20\u8f93\u662f \u201c\u6211\u53d1\u7ed9\u4f60&#xff0c;\u6211\u81ea\u5df1\u5c31\u4e0d\u7559\u4e86\u201d&#xff1b;\u8d44\u6e90\u5171\u4eab\u662f \u201c\u8fd9\u4efd\u8d44\u6e90\u6446\u5728\u516c\u5171\u533a\u57df&#xff0c;\u5927\u5bb6\u90fd\u53ef\u4ee5\u53cd\u590d\u8bbf\u95ee\u201d\u3002\u5bf9\u5e94\u5230\u5b9e\u73b0\u4e0a&#xff0c;\u5171\u4eab\u5185\u5b58\u662f\u8fd9\u4e00\u7c7b\u7684\u4ee3\u8868\u3002<\/p>\n<h4>2.3 \u901a\u77e5\u4e8b\u4ef6<\/h4>\n<p>\u4e00\u4e2a\u8fdb\u7a0b\u9700\u8981\u5411\u53e6\u4e00\u4e2a&#xff08;\u6216\u4e00\u7ec4&#xff09;\u8fdb\u7a0b\u53d1\u9001\u6d88\u606f&#xff0c;\u901a\u77e5\u5b83&#xff08;\u5b83\u4eec&#xff09;\u53d1\u751f\u4e86\u67d0\u79cd\u4e8b\u4ef6\u3002<\/p>\n<ul>\n<li>\u5b50\u8fdb\u7a0b\u9000\u51fa\u65f6&#xff0c;\u5185\u6838\u901a\u77e5\u7236\u8fdb\u7a0b \u201c\u4f60\u7684\u5b69\u5b50\u7ed3\u675f\u4e86\u201d&#xff08;\u8fd9\u6b63\u662f\u8fdb\u7a0b\u63a7\u5236\u7cfb\u5217\u91cc waitpid \u5b58\u5728\u7684\u524d\u63d0&#xff09;&#xff1b;<\/li>\n<li>\u4e00\u4e2a\u8fdb\u7a0b\u5d29\u6e83\u65f6&#xff0c;\u5185\u6838\u901a\u77e5\u5b83\u7684\u7236\u8fdb\u7a0b&#xff1b;<\/li>\n<li>\u7528\u6237\u6309\u4e0b Ctrl&#043;C&#xff0c;\u524d\u53f0\u8fdb\u7a0b\u6536\u5230 \u201c\u7ec8\u6b62\u201d \u901a\u77e5\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e00\u7c7b\u7684\u7279\u70b9\u662f\u4e0d\u5173\u5fc3\u4f20\u591a\u5c11\u6570\u636e&#xff0c;\u53ea\u5173\u5fc3 \u201c\u4e8b\u4ef6\u53d1\u751f\u4e86\u201d \u8fd9\u4e00\u4e2a\u4fe1\u53f7\u3002\u4fe1\u53f7&#xff08;Signal&#xff09;\u662f\u8fd9\u7c7b\u901a\u4fe1\u7684\u4ee3\u8868\u3002<\/p>\n<h4>2.4 \u8fdb\u7a0b\u63a7\u5236<\/h4>\n<p>\u6709\u4e9b\u8fdb\u7a0b\u5e0c\u671b\u5b8c\u5168\u63a7\u5236\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u7684\u6267\u884c\u3002\u6700\u5178\u578b\u7684\u5c31\u662f\u8c03\u8bd5\u5668&#xff08;\u5982 GDB&#xff09;&#xff1a;<\/p>\n<ul>\n<li>Debug \u8fdb\u7a0b\u8981\u80fd\u62e6\u622a\u76ee\u6807\u8fdb\u7a0b\u7684\u6240\u6709\u9677\u5165\u548c\u5f02\u5e38&#xff1b;<\/li>\n<li>\u8981\u80fd\u968f\u65f6\u77e5\u9053\u76ee\u6807\u8fdb\u7a0b\u7684\u72b6\u6001\u53d8\u5316&#xff08;\u8fd0\u884c\u3001\u6682\u505c\u3001\u9000\u51fa&#xff09;&#xff1b;<\/li>\n<li>\u751a\u81f3\u80fd\u6539\u5199\u76ee\u6807\u8fdb\u7a0b\u7684\u6267\u884c\u6d41\u7a0b&#xff08;\u65ad\u70b9\u5c31\u662f\u6539\u5199\u76ee\u6807\u8fdb\u7a0b\u7684\u6307\u4ee4\u5b9e\u73b0\u7684&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u8fdb\u7a0b\u63a7\u5236\u5f80\u5f80\u662f\u524d\u4e09\u79cd\u80fd\u529b\u7684\u7efc\u5408\u8fd0\u7528&#xff1a;\u65e2\u8981\u4f20\u8f93\u63a7\u5236\u547d\u4ee4&#xff08;\u6570\u636e\u4f20\u8f93&#xff09;&#xff0c;\u53c8\u8981\u611f\u77e5\u72b6\u6001\u53d8\u5316&#xff08;\u901a\u77e5\u4e8b\u4ef6&#xff09;\u3002<\/p>\n<p>\u5c0f\u7ed3&#xff1a;\u56db\u79cd\u76ee\u7684\u6309 \u201c\u4f20\u7684\u4e1c\u897f\u201d \u6392\u4e2a\u5e8f \u2014\u2014 \u6570\u636e\u4f20\u8f93\u4f20 \u201c\u5185\u5bb9\u201d&#xff0c;\u901a\u77e5\u4e8b\u4ef6\u4f20 \u201c\u4fe1\u53f7\u201d&#xff0c;\u8d44\u6e90\u5171\u4eab\u4f20 \u201c\u8bbf\u95ee\u6743\u201d&#xff0c;\u8fdb\u7a0b\u63a7\u5236\u4f20 \u201c\u63a7\u5236\u6743\u201d\u3002\u540e\u9762\u4f60\u4f1a\u770b\u5230&#xff0c;\u4e0d\u540c\u7684 IPC \u65b9\u5f0f\u5929\u7136\u64c5\u957f\u5176\u4e2d\u4e00\u4e24\u7c7b\u3002<\/p>\n<h3>\u4e09\u3001IPC \u7684\u672c\u8d28&#xff1a;\u8ba9\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4efd \u201c\u516c\u5171\u8d44\u6e90\u201d<\/h3>\n<h4>3.1 \u63a8\u5bfc&#xff1a;\u901a\u4fe1\u7684\u524d\u63d0\u662f \u201c\u770b\u89c1\u201d<\/h4>\n<p>\u6709\u4e86\u7b2c\u4e00\u8282\u7684\u7ed3\u8bba \u2014\u2014 \u8fdb\u7a0b\u4e4b\u95f4\u5929\u7136\u9694\u79bb \u2014\u2014 \u6211\u4eec\u53ef\u4ee5\u505a\u4e00\u6761\u4e25\u8c28\u7684\u63a8\u5bfc&#xff1a;<\/p>\n<li>\u8fdb\u7a0b A \u7684\u6570\u636e\u5728 A \u7684\u5730\u5740\u7a7a\u95f4\u91cc&#xff0c;\u8fdb\u7a0b B \u60f3\u62ff\u5230\u5b83&#xff0c;\u5fc5\u987b\u6709\u4e00\u5757 A \u548c B \u90fd\u80fd\u8bbf\u95ee\u5230\u7684\u533a\u57df&#xff1b;<\/li>\n<li>\u800c\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u76f8\u4e92\u9694\u79bb&#xff0c;\u4efb\u4f55\u4e00\u65b9\u90fd\u65e0\u6cd5\u5355\u65b9\u9762 \u201c\u95ef\u5165\u201d \u5bf9\u65b9\u9886\u5730&#xff1b;<\/li>\n<li>\u6240\u4ee5\u8fd9\u5757 \u201c\u516c\u5171\u533a\u57df\u201d \u53ea\u80fd\u7531\u7ad9\u5728\u6240\u6709\u8fdb\u7a0b\u4e4b\u4e0a\u7684\u7ba1\u7406\u8005\u6765\u5f00\u8f9f\u548c\u7ef4\u62a4 \u2014\u2014 \u5b83\u5c31\u662f\u64cd\u4f5c\u7cfb\u7edf&#xff08;OS&#xff09;\u3002<\/li>\n<p>\u4e8e\u662f\u5f97\u5230 IPC \u7684\u6838\u5fc3\u7ed3\u8bba&#xff0c;\u4e5f\u662f\u8d2f\u7a7f\u6574\u4e2a\u7cfb\u5217\u7684\u4e00\u53e5\u8bdd&#xff1a;<\/p>\n<p>\u8fdb\u7a0b\u901a\u4fe1\u7684\u672c\u8d28&#xff1a;\u8ba9\u4e92\u76f8\u901a\u4fe1\u7684\u591a\u4e2a\u8fdb\u7a0b&#xff0c;\u770b\u5230\u540c\u4e00\u4efd\u7531\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684\u516c\u5171\u8d44\u6e90\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020102507-6ad74183ca87f.png\" alt=\"image.png\" \/><\/p>\n<p>\u8bb0\u4f4f\u56fe\u4e2d\u8fd9\u4e2a\u4e09\u5c42\u7ed3\u6784&#xff0c;\u540e\u9762\u6bcf\u4e00\u79cd IPC \u90fd\u80fd\u5957\u8fdb\u6765&#xff0c;\u53ea\u662f \u201c\u516c\u5171\u8d44\u6e90\u201d \u7684\u5f62\u6001\u4e0d\u540c&#xff1a;<\/p>\n<table>\n<tr>IPC \u65b9\u5f0f\u516c\u5171\u8d44\u6e90\u662f\u4ec0\u4e48<\/tr>\n<tbody>\n<tr>\n<td>\u533f\u540d\u7ba1\u9053 \/ \u547d\u540d\u7ba1\u9053<\/td>\n<td>\u5185\u6838\u7ef4\u62a4\u7684\u4e00\u5757\u5185\u5b58\u7f13\u51b2\u533a&#xff08;\u501f\u52a9\u6587\u4ef6\u6846\u67b6\u7ec4\u7ec7&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5171\u4eab\u5185\u5b58<\/td>\n<td>\u4e00\u5757\u88ab\u540c\u65f6\u6620\u5c04\u8fdb\u591a\u4e2a\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u7684\u7269\u7406\u5185\u5b58<\/td>\n<\/tr>\n<tr>\n<td>\u6d88\u606f\u961f\u5217<\/td>\n<td>\u5185\u6838\u7ef4\u62a4\u7684\u4e00\u4e2a\u5e26\u7c7b\u578b\u7684\u6d88\u606f\u94fe\u8868<\/td>\n<\/tr>\n<tr>\n<td>\u4fe1\u53f7\u91cf<\/td>\n<td>\u5185\u6838\u4e2d\u7684\u4e00\u4e2a\u8d44\u6e90\u8ba1\u6570\u5668&#xff08;&#043; \u7b49\u5f85\u961f\u5217&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>3.2 \u8c01\u63d0\u4f9b\u901a\u4fe1\u80fd\u529b&#xff1f;\u2014\u2014 \u53ea\u80fd\u662f\u64cd\u4f5c\u7cfb\u7edf<\/h4>\n<p>\u6709\u6ca1\u6709\u53ef\u80fd\u4e0d\u7531 OS \u63d0\u4f9b&#xff0c;\u8ba9\u7528\u6237\u8fdb\u7a0b\u81ea\u5df1\u641e\u5b9a&#xff1f;\u7b54\u6848\u662f\u4e0d\u80fd&#xff0c;\u539f\u56e0\u6709\u4e8c&#xff1a;<\/p>\n<li>\u8fdb\u7a0b\u9694\u79bb\u662f\u5185\u6838\u7ef4\u62a4\u7684\u3002\u60f3\u8ba9\u4e24\u4e2a\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4efd\u7269\u7406\u5185\u5b58&#xff0c;\u53ea\u6709\u5185\u6838\u6709\u80fd\u529b\u64cd\u4f5c\u9875\u8868\u3001\u5f00\u8f9f\u7269\u7406\u9875 \u2014\u2014 \u8fd9\u5c5e\u4e8e\u5185\u6838\u7684\u7279\u6743\u6307\u4ee4\u8303\u7574&#xff0c;\u7528\u6237\u6001\u7a0b\u5e8f\u6ca1\u6709\u8fd9\u4e2a\u6743\u9650\u3002<\/li>\n<li>\u901a\u4fe1\u9700\u8981\u4ef2\u88c1\u3002\u4e24\u4e2a\u8fdb\u7a0b\u540c\u65f6\u5199\u4e00\u5757\u7f13\u51b2\u533a&#xff0c;\u8c01\u5148\u8c01\u540e&#xff1f;\u7f13\u51b2\u533a\u6ee1\u4e86\u600e\u4e48\u529e&#xff1f;\u8fd9\u4e9b\u5e76\u53d1\u95ee\u9898\u5fc5\u987b\u6709\u4e00\u4e2a\u4e2d\u7acb\u88c1\u5224&#xff0c;\u8fd9\u4e2a\u88c1\u5224\u540c\u6837\u53ea\u80fd\u662f OS\u3002<\/li>\n<h4>3.3 \u4f7f\u7528\u65b9\u5f0f&#xff1a;\u7cfb\u7edf\u8c03\u7528\u662f\u552f\u4e00\u7684\u5b98\u65b9\u901a\u9053<\/h4>\n<p>OS \u5411\u5916\u66b4\u9732\u7cfb\u7edf\u8c03\u7528\u4f5c\u4e3a\u7edf\u4e00\u7684\u901a\u4fe1\u63a5\u53e3&#xff1a;pipe()\u3001shmget()\u3001msgget()\u3001semop()\u2026\u2026 \u7a0b\u5e8f\u5458\u8c03\u7528\u8fd9\u4e9b\u63a5\u53e3&#xff0c;\u5411\u5185\u6838 \u201c\u7533\u8bf7\u201d \u516c\u5171\u8d44\u6e90\u3001\u5f80\u91cc\u8bfb\u5199\u6570\u636e\u3001\u6700\u540e\u91ca\u653e\u8d44\u6e90\u3002<\/p>\n<p>\u6240\u4ee5\u5b66\u4e60\u4efb\u4f55\u4e00\u79cd IPC&#xff0c;\u90fd\u53ef\u4ee5\u9075\u5faa\u540c\u4e00\u4e2a\u4e09\u6bb5\u5f0f\u6846\u67b6&#xff0c;\u8fd9\u4e2a\u6846\u67b6\u4e5f\u662f\u672c\u7cfb\u5217\u6bcf\u7bc7\u6587\u7ae0\u7684\u884c\u6587\u4e3b\u7ebf&#xff1a;<\/p>\n<p>\u2460 \u770b\u5230\u540c\u4e00\u4efd\u8d44\u6e90 \u2014\u2014 \u8fd9\u4efd\u8d44\u6e90\u662f\u4ec0\u4e48&#xff1f;\u600e\u4e48\u8ba9\u591a\u4e2a\u8fdb\u7a0b\u90fd &#034;\u770b\u89c1&#034; \u5b83&#xff1f;<br \/>\n\u2461 \u63d0\u4f9b\u8005\u4e0e\u7ba1\u7406\u8005 \u2014\u2014 OS \u5982\u4f55\u521b\u5efa\u3001\u7ec4\u7ec7\u3001\u7ef4\u62a4\u8fd9\u4efd\u8d44\u6e90&#xff1f;<br \/>\n\u2462 \u4f7f\u7528\u65b9\u5f0f \u2014\u2014 \u66b4\u9732\u4e86\u54ea\u4e9b\u7cfb\u7edf\u8c03\u7528&#xff1f;\u600e\u4e48\u7528\u4ee3\u7801\u5b8c\u6210\u4e00\u6b21\u5b8c\u6574\u7684\u901a\u4fe1&#xff1f;<\/p>\n<p>\u77e5\u8bc6\u62d3\u5c55&#xff08;\u9762\u8bd5\u89c6\u89d2&#xff09;&#xff1a;\u5982\u679c\u9762\u8bd5\u5b98\u95ee \u201c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u672c\u8d28\u662f\u4ec0\u4e48\u201d&#xff0c;\u6700\u597d\u7684\u56de\u7b54\u4e0d\u662f\u80cc \u201c\u6709\u7ba1\u9053\u3001\u5171\u4eab\u5185\u5b58\u3001\u6d88\u606f\u961f\u5217\u2026\u2026\u201d&#xff0c;\u800c\u662f\u5148\u7ed9\u51fa\u8fd9\u6761\u4e3b\u7ebf&#xff1a;\u8fdb\u7a0b\u5177\u6709\u72ec\u7acb\u6027&#xff0c;\u901a\u4fe1\u7684\u524d\u63d0\u662f\u8ba9\u4e0d\u540c\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4efd\u516c\u5171\u8d44\u6e90&#xff0c;\u8fd9\u4efd\u8d44\u6e90\u7531 OS \u63d0\u4f9b&#xff0c;\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u4f7f\u7528\u3002\u7136\u540e\u518d\u5c55\u5f00\u5177\u4f53\u65b9\u5f0f&#xff0c;\u5c42\u6b21\u7acb\u523b\u5c31\u51fa\u6765\u4e86\u3002<\/p>\n<h3>\u56db\u3001\u70ed\u8eab&#xff1a;\u5176\u5b9e\u4f60\u6bcf\u5929\u90fd\u5728\u7528 IPC<\/h3>\n<p>\u5728\u6b63\u5f0f\u63a5\u89e6\u7cfb\u7edf\u8c03\u7528\u4e4b\u524d&#xff0c;\u5148\u5728\u547d\u4ee4\u884c\u91cc \u201c\u73a9\u201d \u4e00\u6b21\u901a\u4fe1&#xff0c;\u611f\u53d7\u4e00\u4e0b IPC \u79bb\u6211\u4eec\u6709\u591a\u8fd1\u3002<\/p>\n<p>$ <span class=\"token function\">who<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">wc<\/span> <span class=\"token parameter variable\">-l<\/span><br \/>\n<span class=\"token number\">3<\/span><\/p>\n<p>\u8fd9\u6761\u547d\u4ee4\u7edf\u8ba1\u5f53\u524d\u767b\u5f55\u4e86\u51e0\u4e2a\u7528\u6237\u3002who \u8fdb\u7a0b\u628a\u7528\u6237\u5217\u8868 \u5199 \u8fdb\u4e86\u4e00\u6761\u7ba1\u9053&#xff0c;wc -l \u8fdb\u7a0b\u4ece\u7ba1\u9053\u91cc \u8bfb \u51fa\u6765\u6570\u884c\u6570 \u2014\u2014 \u4e24\u4e2a\u72ec\u7acb\u8fdb\u7a0b&#xff0c;\u4e00\u6b21\u5b8c\u6574\u7684\u6570\u636e\u4f20\u8f93&#xff0c;\u8fd9\u5c31\u662f\u6700\u53e4\u8001\u7684 IPC&#xff1a;\u7ba1\u9053\u3002| \u7684\u672c\u8d28\u662f\u628a who \u7684\u6807\u51c6\u8f93\u51fa\u63a5\u5230 wc \u7684\u6807\u51c6\u8f93\u5165&#xff0c;\u4e2d\u95f4\u90a3\u6761 \u201c\u7ba1\u5b50\u201d \u5c31\u662f OS \u5728\u5185\u6838\u91cc\u5f00\u7684\u4e00\u6bb5\u7f13\u51b2\u533a\u3002<\/p>\n<p>\u518d\u6bd4\u5982&#xff1a;<\/p>\n<p>$ <span class=\"token function\">ps<\/span> aux <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> sshd <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">-v<\/span> <span class=\"token function\">grep<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">wc<\/span> <span class=\"token parameter variable\">-l<\/span><\/p>\n<p>\u56db\u4e2a\u8fdb\u7a0b\u4e32\u8054\u6210\u4e00\u6761 \u201c\u6d41\u6c34\u7ebf\u201d&#xff0c;\u6570\u636e\u50cf\u6c34\u4e00\u6837\u4ece\u5de6\u5f80\u53f3\u6d41\u8fc7\u4e09\u7ea7\u7ba1\u9053 \u2014\u2014 Shell \u91cc\u7684\u591a\u7ea7\u7ba1\u9053&#xff0c;\u672c\u8d28\u4e0a\u5c31\u662f\u591a\u4e2a IPC \u901a\u9053\u7684\u63a5\u529b\u3002<\/p>\n<p>\u65e5\u5e38\u5f00\u53d1\u4e2d\u4f60\u65e9\u5df2\u88ab IPC \u5305\u56f4&#xff1a;\u6d4f\u89c8\u5668\u4e3b\u8fdb\u7a0b\u4e0e\u6e32\u67d3\u8fdb\u7a0b\u4e4b\u95f4\u7684\u6d88\u606f\u4f20\u9012\u3001Redis \u4e3b\u8fdb\u7a0b\u628a\u6570\u636e\u5199\u5165 AOF \u843d\u76d8\u8fdb\u7a0b\u3001Docker \u5bb9\u5668\u8fdb\u7a0b\u4e0e\u5bbf\u4e3b\u673a\u4e4b\u95f4\u7684\u63a7\u5236\u901a\u9053\u2026\u2026 \u5168\u90e8\u5efa\u7acb\u5728\u4eca\u5929\u8981\u5b66\u7684\u8fd9\u4e9b\u673a\u5236\u4e4b\u4e0a\u3002<\/p>\n<h3>\u4e94\u3001Linux IPC \u7684\u53d1\u5c55\u53f2\u4e0e\u5168\u666f\u5206\u7c7b<\/h3>\n<h4>5.1 \u4e00\u6761\u6f14\u8fdb\u65f6\u95f4\u7ebf<\/h4>\n<p>Linux \u7684 IPC \u4f53\u7cfb\u4e0d\u662f\u4e00\u5929\u8bbe\u8ba1\u51fa\u6765\u7684&#xff0c;\u800c\u662f\u51e0\u5341\u5e74 Unix \u5386\u53f2 \u201c\u5c42\u79ef\u201d \u7684\u7ed3\u679c\u3002\u4e86\u89e3\u8fd9\u6761\u65f6\u95f4\u7ebf&#xff0c;\u80fd\u5e2e\u4f60\u7406\u89e3\u4e3a\u4ec0\u4e48\u4eca\u5929\u4f1a\u6709 \u201c\u597d\u51e0\u5957\u957f\u5f97\u4e0d\u4e00\u6837\u7684\u63a5\u53e3\u201d \u5e76\u5b58&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020102509-6ad7418534808.png\" alt=\"image.png\" \/><\/p>\n<p>\u5206\u9636\u6bb5\u5c55\u5f00&#xff1a;<\/p>\n<li>\u65e9\u671f Unix&#xff1a;\u6700\u5148\u8bde\u751f\u7684\u662f\u7ba1\u9053&#xff08;\u533f\u540d\u7ba1\u9053 pipe&#xff09;&#xff0c;\u7b80\u5355\u9ad8\u6548&#xff0c;\u4f46\u53ea\u80fd\u7528\u4e8e\u6709\u4eb2\u7f18\u5173\u7cfb\u7684\u8fdb\u7a0b\u4e4b\u95f4\u5355\u5411\u901a\u4fe1&#xff1b;\u968f\u540e\u51fa\u73b0\u547d\u540d\u7ba1\u9053 FIFO&#xff0c;\u7528 \u201c\u4e00\u4e2a\u6709\u540d\u5b57\u7684\u7279\u6b8a\u6587\u4ef6\u201d \u7a81\u7834\u4e86\u4eb2\u7f18\u5173\u7cfb\u7684\u9650\u5236\u3002<\/li>\n<li>System V \u65f6\u4ee3&#xff08;AT&amp;T&#xff09;&#xff1a;\u63a8\u51fa\u4e86 System V IPC \u4e09\u4ef6\u5957 \u2014\u2014 \u6d88\u606f\u961f\u5217\u3001\u5171\u4eab\u5185\u5b58\u3001\u4fe1\u53f7\u91cf&#xff0c;\u5e7f\u6cdb\u7528\u4e8e\u65e9\u671f\u670d\u52a1\u5668\u3002\u5b83\u4eec\u7684\u5171\u540c\u7279\u70b9&#xff1a;\u529f\u80fd\u5f3a\u5927&#xff0c;\u4f46\u751f\u547d\u5468\u671f\u968f\u5185\u6838&#xff08;\u8fdb\u7a0b\u9000\u4e86\u8d44\u6e90\u8fd8\u5728&#xff09;\u3001\u7f3a\u4e4f\u5b8c\u5584\u7684\u901a\u77e5\u673a\u5236\u3002<\/li>\n<li>BSD \u5206\u652f&#xff1a;\u63a8\u51fa\u4e86 Socket&#xff0c;\u6700\u521d\u4e3a\u7f51\u7edc\u8de8\u4e3b\u673a\u901a\u4fe1\u800c\u751f&#xff0c;\u540e\u6765\u62d3\u5c55\u51fa\u672c\u5730\u57df\u5957\u63a5\u5b57&#xff08;Unix \u57df Socket&#xff09;&#xff0c;\u65e2\u80fd\u505a\u672c\u673a IPC&#xff0c;\u53c8\u517c\u5bb9\u7f51\u7edc\u5957\u63a5\u5b57\u7684\u7f16\u7a0b\u8303\u5f0f \u2014\u2014 \u4e00\u5957 API \u4ece\u5355\u673a\u5199\u5230\u5206\u5e03\u5f0f\u3002<\/li>\n<li>POSIX \u6807\u51c6\u5316&#xff1a;POSIX \u5bf9\u6d88\u606f\u961f\u5217\u3001\u5171\u4eab\u5185\u5b58\u3001\u4fe1\u53f7\u91cf\u505a\u4e86\u6807\u51c6\u5316\u91cd\u8bbe\u8ba1&#xff08;\u63a5\u53e3\u66f4\u53cb\u597d&#xff09;&#xff0c;\u5e76\u8865\u5145\u4e86\u4e92\u65a5\u91cf\u3001\u6761\u4ef6\u53d8\u91cf\u3001\u8bfb\u5199\u9501\u7b49\u7ebf\u7a0b\u540c\u6b65\u8bbe\u65bd&#xff1b;\u4fe1\u53f7&#xff08;Signal&#xff09;\u4f5c\u4e3a\u7b80\u6613\u7684\u5f02\u6b65\u901a\u77e5\u673a\u5236\u4e5f\u4e00\u76f4\u6cbf\u7528\u81f3\u4eca\u3002<\/li>\n<li>\u73b0\u4ee3 Linux&#xff1a;\u4ee5\u4e0a\u5168\u90e8\u517c\u5bb9\u5e76\u84c4\u3002\u65e5\u5e38\u5927\u91cf\u4f7f\u7528\u7684\u662f\u7ba1\u9053\u3001Unix \u57df Socket \u548c\u5171\u4eab\u5185\u5b58\u3002<\/li>\n<p>\u4e00\u53e5\u8bdd\u603b\u7ed3\u6f14\u8fdb\u8def\u7ebf&#xff1a;\u533f\u540d\u7ba1\u9053 \u2192 \u547d\u540d\u7ba1\u9053 \u2192 System V IPC \u2192 Socket \u2192 POSIX IPC\u3002<\/p>\n<h4>5.2 \u5168\u666f\u5206\u7c7b\u56fe<\/h4>\n<p>\u628a\u4e0a\u9762\u7684\u53d1\u5c55\u53f2\u843d\u6210\u4e00\u5f20\u5206\u7c7b\u56fe&#xff0c;\u8fd9\u5c31\u662f Linux IPC \u7684 \u201c\u5168\u5bb6\u798f\u201d&#xff0c;\u4e5f\u662f\u672c\u7cfb\u5217\u7684\u884c\u519b\u5730\u56fe&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020102510-6ad74186a07fc.png\" alt=\"image.png\" \/><\/p>\n<h4>5.3 \u672c\u7cfb\u5217\u600e\u4e48\u8bb2&#xff1f;<\/h4>\n<p>\u5bf9\u7740\u5730\u56fe\u89c4\u5212\u8def\u7ebf \u2014\u2014 \u672c\u7cfb\u5217 9 \u7bc7\u6587\u7ae0\u7684\u5b89\u6392&#xff1a;<\/p>\n<table>\n<tr>\u7bc7\u76ee\u4e3b\u9898\u8986\u76d6\u7684\u5206\u7c7b<\/tr>\n<tbody>\n<tr>\n<td>\u672c\u7bc7<\/td>\n<td>IPC \u5fc5\u8981\u6027\u4e0e\u5168\u666f\u5206\u7c7b<\/td>\n<td>\u5168\u5c40\u8ba4\u77e5<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e8c\u7bc7<\/td>\n<td>\u533f\u540d\u7ba1\u9053&#xff1a;pipe \u7684\u672c\u8d28\u3001fork \u7ee7\u627f\u4e0e\u56db\u79cd\u8bfb\u5199\u89c4\u5219<\/td>\n<td>Unix \u539f\u751f<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e09\u7bc7<\/td>\n<td>\u533f\u540d\u7ba1\u9053\u5b9e\u6218&#xff1a;\u591a\u8fdb\u7a0b\u4efb\u52a1\u5206\u53d1\u8fdb\u7a0b\u6c60&#xff08;&#043; \u547d\u4ee4\u884c\u7ba1\u9053\u539f\u7406&#xff09;<\/td>\n<td>Unix \u539f\u751f<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u56db\u7bc7<\/td>\n<td>\u547d\u540d\u7ba1\u9053 FIFO&#xff1a;\u8ba9\u4efb\u610f\u8fdb\u7a0b\u4e4b\u95f4\u5efa\u7acb\u7ba1\u9053<\/td>\n<td>Unix \u539f\u751f<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e94\u7bc7<\/td>\n<td>System V \u5171\u4eab\u5185\u5b58&#xff1a;\u6700\u5feb\u7684 IPC \u4e0e\u5b83\u7684\u540c\u6b65\u96be\u9898<\/td>\n<td>System V<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u516d\u7bc7<\/td>\n<td>System V \u6d88\u606f\u961f\u5217&#xff1a;\u81ea\u5e26\u8fb9\u754c\u7684 \u201c\u5757\u7ea7\u201d \u901a\u4fe1<\/td>\n<td>System V<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e03\u7bc7<\/td>\n<td>System V \u4fe1\u53f7\u91cf&#xff1a;\u5171\u4eab\u5185\u5b58\u7684 \u201c\u4ea4\u901a\u4fe1\u53f7\u706f\u201d<\/td>\n<td>System V<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u516b\u7bc7<\/td>\n<td>\u5185\u6838\u89c6\u89d2&#xff1a;System V IPC \u5982\u4f55\u88ab\u7edf\u4e00\u7ba1\u7406<\/td>\n<td>System V<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e5d\u7bc7<\/td>\n<td>\u6a2a\u5411\u5bf9\u6bd4\u4e0e\u9009\u578b&#xff1a;\u7ba1\u9053\u3001\u5171\u4eab\u5185\u5b58\u3001\u6d88\u606f\u961f\u5217\u3001\u4fe1\u53f7\u91cf\u600e\u4e48\u9009&#xff1f;<\/td>\n<td>\u5168\u5c40\u6536\u675f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5176\u4e2d\u7ba1\u9053\u5bb6\u65cf\u662f \u201c\u6700\u5e38\u7528\u201d&#xff0c;System V \u4e09\u5144\u5f1f\u662f \u201c\u539f\u7406\u6838\u5fc3 &#043; \u9762\u8bd5\u9ad8\u9891\u201d&#xff0c;\u5185\u6838\u89c6\u89d2\u7bc7\u4f1a\u987a\u4fbf\u770b\u5230\u4e00\u4efd\u7cbe\u5f69\u7684 \u201cC \u8bed\u8a00\u5982\u4f55\u5b9e\u73b0\u6cdb\u578b&#xff08;\u591a\u6001&#xff09;\u201d \u7684\u5185\u6838\u4ee3\u7801\u3002<\/p>\n<h3>\u516d\u3001\u51e0\u4e2a\u5bb9\u6613\u6df7\u6dc6\u7684\u95ee\u9898<\/h3>\n<p>\u5728\u8fdb\u5165\u7b2c\u4e8c\u7bc7\u4e4b\u524d&#xff0c;\u5148\u6f84\u6e05\u51e0\u4e2a\u521d\u5b66\u8005\u6700\u5bb9\u6613\u8d70\u504f\u7684\u95ee\u9898&#xff1a;<\/p>\n<h4>6.1 \u4e24\u4e2a\u8fdb\u7a0b\u8bfb\u5199\u540c\u4e00\u4e2a\u78c1\u76d8\u6587\u4ef6&#xff0c;\u7b97 IPC \u5417&#xff1f;<\/h4>\n<p>\u76f4\u89c9\u4e0a \u201c\u80fd\u770b\u5230\u540c\u4e00\u4efd\u6587\u4ef6\u5185\u5bb9\u201d \u597d\u50cf\u5c31\u7b97\u901a\u4fe1\u4e86\u3002\u4e25\u683c\u6765\u8bf4&#xff1a;\u666e\u901a\u6587\u4ef6\u4e0d\u662f\u4e3a\u901a\u4fe1\u8bbe\u8ba1\u7684\u3002<\/p>\n<p>\u4e24\u4e2a\u8fdb\u7a0b\u540c\u65f6\u6253\u5f00 \/tmp\/log.txt&#xff0c;OS \u786e\u5b9e\u53ea\u4f1a\u52a0\u8f7d\u4e00\u4efd inode \u548c\u6587\u4ef6\u5185\u5bb9\u5230\u5185\u5b58&#xff08;\u8fd9\u4e00\u70b9\u7b2c\u4e8c\u7bc7\u4f1a\u4ece\u5185\u6838\u89d2\u5ea6\u8be6\u7ec6\u5206\u6790&#xff09;&#xff0c;\u7406\u8bba\u4e0a\u786e\u5b9e \u201c\u770b\u5230\u4e86\u540c\u4e00\u4efd\u8d44\u6e90\u201d\u3002\u4f46\u7528\u5b83\u901a\u4fe1\u6709\u4e09\u4e2a\u81f4\u547d\u95ee\u9898&#xff1a;<\/p>\n<ul>\n<li>\u901f\u5ea6\u6162&#xff1a;\u8bfb\u5199\u8981\u7ecf\u8fc7\u5b8c\u6574\u6587\u4ef6\u7cfb\u7edf\u8def\u5f84&#xff0c;\u8fd8\u6d89\u53ca\u5237\u76d8\u7b49 IO \u5f00\u9500&#xff1b;<\/li>\n<li>\u65f6\u5e8f\u5931\u63a7&#xff1a;\u8c01\u5148\u5199\u8c01\u5148\u8bfb\u5b8c\u5168\u6ca1\u6cd5\u63a7\u5236&#xff0c;\u6ca1\u6709\u540c\u6b65\u673a\u5236&#xff1b;<\/li>\n<li>\u8bed\u4e49\u7f3a\u5931&#xff1a;OS \u4e0d\u4f1a\u4e3a \u201c\u6587\u4ef6\u91cc\u51fa\u73b0\u65b0\u6570\u636e\u201d \u63d0\u4f9b\u4efb\u4f55\u901a\u77e5\u3002<\/li>\n<\/ul>\n<p>\u6240\u4ee5\u8fdb\u7a0b\u901a\u4fe1\u4e0d\u7528\u666e\u901a\u6587\u4ef6&#xff0c;\u800c\u662f\u7528 OS \u4e13\u95e8\u8bbe\u8ba1\u7684\u901a\u4fe1\u673a\u5236\u3002\u4e0d\u8fc7\u8fd9\u4e2a\u601d\u8def\u672c\u8eab\u975e\u5e38\u6709\u4ef7\u503c \u2014\u2014 \u7b2c\u4e8c\u7bc7\u4f60\u4f1a\u770b\u5230&#xff0c;\u547d\u540d\u7ba1\u9053 FIFO \u6070\u6070\u5c31\u662f \u201c\u7ed9\u7ba1\u9053\u8d77\u4e00\u4e2a\u6587\u4ef6\u8def\u5f84\u540d\u201d \u7684\u8bbe\u8ba1&#xff0c;\u5b83\u501f\u4e86\u6587\u4ef6\u7684 \u201c\u58f3\u201d&#xff0c;\u5185\u6838\u91cc\u8d70\u7684\u4f9d\u7136\u662f\u4e13\u5c5e\u7684\u5185\u5b58\u901a\u9053\u3002<\/p>\n<h4>6.2 IPC \u548c\u7f51\u7edc\u901a\u4fe1\u662f\u4e00\u56de\u4e8b\u5417&#xff1f;<\/h4>\n<p>\u4e0d\u662f\u4e00\u56de\u4e8b&#xff0c;\u4f46\u662f\u4e00\u5957\u601d\u60f3\u3002\u672c\u7cfb\u5217\u8bb2\u7684 IPC \u6307\u7684\u662f\u540c\u4e00\u53f0\u4e3b\u673a\u4e0a\u7684\u8fdb\u7a0b\u901a\u4fe1&#xff08;\u7ba1\u9053\u3001System V IPC \u7b49&#xff09;&#xff1b;\u8de8\u4e3b\u673a\u7684\u8fdb\u7a0b\u901a\u4fe1\u9760 Socket&#xff08;\u7f51\u7edc\u7f16\u7a0b&#xff09;\u3002\u53ef\u4ee5\u628a Socket \u7406\u89e3\u4e3a IPC \u7684 \u201c\u5e7f\u57df\u7248\u201d&#xff1a;\u628a \u201c\u8ba9\u4e24\u4e2a\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4efd\u8d44\u6e90\u201d \u7684\u8303\u56f4\u4ece \u201c\u4e00\u5757\u5185\u5b58\u201d \u6269\u5c55\u5230\u4e86 \u201c\u4e00\u6761\u7f51\u7edc\u8fde\u63a5\u201d\u3002\u4e24\u8005\u7684\u7f16\u7a0b\u8303\u5f0f\u9ad8\u5ea6\u76f8\u4f3c&#xff0c;\u5b66\u5b8c\u672c\u7cfb\u5217\u518d\u8fdb\u5165\u7f51\u7edc\u7cfb\u5217\u4f1a\u975e\u5e38\u4e1d\u6ed1\u3002<\/p>\n<h4>6.3 \u7ebf\u7a0b\u4e4b\u95f4\u9700\u8981 IPC \u5417&#xff1f;<\/h4>\n<p>\u4e25\u683c\u6765\u8bf4\u4e0d\u9700\u8981 \u201c\u8fdb\u7a0b\u95f4\u201d \u901a\u4fe1 \u2014\u2014 \u56e0\u4e3a\u540c\u4e00\u8fdb\u7a0b\u5185\u7684\u591a\u4e2a\u7ebf\u7a0b\u672c\u6765\u5c31\u5171\u4eab\u5730\u5740\u7a7a\u95f4&#xff0c;\u5168\u5c40\u53d8\u91cf\u3001\u5806\u5185\u5b58\u5929\u7136\u5c31\u662f \u201c\u540c\u4e00\u4efd\u8d44\u6e90\u201d&#xff0c;\u4e0d\u9700\u8981 OS \u5e2e\u5fd9\u5f00\u8f9f\u516c\u5171\u533a\u57df\u3002\u4f46\u7ebf\u7a0b\u4e4b\u95f4\u4f9d\u7136\u5b58\u5728\u540c\u6b65\u4e0e\u4e92\u65a5\u95ee\u9898&#xff08;\u4e24\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6539\u4e00\u4e2a\u53d8\u91cf&#xff0c;\u7167\u6837\u6253\u67b6&#xff09;&#xff0c;\u8fd9\u5bf9\u5e94 POSIX \u7684\u4e92\u65a5\u91cf\u3001\u6761\u4ef6\u53d8\u91cf\u3001\u4fe1\u53f7\u91cf\u7b49\u540c\u6b65\u8bbe\u65bd\u3002\u6240\u4ee5\u53ef\u4ee5\u8fd9\u6837\u5212\u5206\u8ba4\u77e5&#xff1a;<\/p>\n<p>\u8fdb\u7a0b\u4e4b\u95f4&#xff1a;\u5148\u89e3\u51b3 &#034;\u770b\u89c1&#034;&#xff08;IPC \u7684\u516c\u5171\u8d44\u6e90&#xff09;&#xff0c;\u518d\u89e3\u51b3 &#034;\u79e9\u5e8f&#034;&#xff08;\u540c\u6b65\u4e92\u65a5&#xff09;<br \/>\n\u7ebf\u7a0b\u4e4b\u95f4&#xff1a;\u5929\u7136\u80fd &#034;\u770b\u89c1&#034;&#xff0c;\u53ea\u9700\u8981\u89e3\u51b3 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Socket \u2192 POSIX IPC\u201d\u3002<\/li>\n<h4>7.2 \u4e0b\u4e00\u7bc7\u9884\u544a<\/h4>\n<p>\u4e0b\u4e00\u7bc7\u8fdb\u5165\u7ba1\u9053\u5bb6\u65cf&#xff1a;\u300a\u8fdb\u7a0b\u901a\u4fe1\u7cfb\u5217&#xff08;\u4e8c&#xff09;&#xff1a;\u533f\u540d\u7ba1\u9053 \u2014\u2014 pipe \u7684\u672c\u8d28\u3001fork \u7ee7\u627f\u4e0e\u56db\u79cd\u8bfb\u5199\u89c4\u5219\u300b\u3002<\/p>\n<p>\u6211\u4eec\u5c06\u4f1a\u770b\u5230&#xff1a;<\/p>\n<ul>\n<li>\u533f\u540d\u7ba1\u9053 \u201c\u62ab\u7740\u6587\u4ef6\u5916\u76ae\u7684\u5185\u5b58\u201d \u5230\u5e95\u957f\u4ec0\u4e48\u6837&#xff08;struct file &#043; inode &#043; \u7f13\u51b2\u533a&#xff09;&#xff1b;<\/li>\n<li>\u4e3a\u4ec0\u4e48 pipe() \u5fc5\u987b\u5728 fork() \u4e4b\u524d\u8c03\u7528&#xff0c;fd \u53c8\u662f\u5982\u4f55\u88ab\u5b50\u8fdb\u7a0b \u201c\u7ee7\u627f\u201d \u7684&#xff1b;<\/li>\n<li>\u7ba1\u9053\u56db\u79cd\u8bfb\u5199\u884c\u4e3a\u9010\u4e2a\u5b9e\u9a8c\u9a8c\u8bc1&#xff1a;\u963b\u585e\u8bfb\u3001\u963b\u585e\u5199\u3001EOF\u3001SIGPIPE\u3002<\/li>\n<\/ul>\n<p>\u7ba1\u9053\u662f Unix \u6700\u53e4\u8001\u7684\u901a\u4fe1\u65b9\u5f0f&#xff0c;\u4e5f\u662f\u7406\u89e3\u540e\u9762\u6240\u6709 IPC \u7684\u6700\u4f73\u8d77\u70b9 \u2014\u2014 \u6211\u4eec\u7b2c\u4e8c\u7bc7\u89c1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\/* MD \/ \u5bcc\u6587\u672c\u4e2d\u7684 .toc\uff08\u542b\u535a\u5ba2\u56ed\u642c\u5bb6\u7b49\u5d4c\u5957\u7ed3\u6784\uff09\uff1b.toc-box \u5728\u4fa7\u680f\uff0c\u4e0d\u53d7\u5f71\u54cd *\/#content_views .toc,\/* \u7f16\u8f91\u5668\u5e38\u5728\u76ee\u5f55\u524d\u540e\u63d2\u5165\u7a7a p\uff08:empty \u4ecd\u5360 20px\uff09\uff0c\u4e00\u5e76\u53bb\u6389\u907f\u514d\u9876\u7a7a\u9699 *\/#content_views.markdown_views &gt; p:empty:has(+ .toc),#content_views.markdown_views &gt; .toc + p:empty,\/* 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