{"id":5269,"date":"2021-05-26T10:24:07","date_gmt":"2021-05-26T02:24:07","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=5269"},"modified":"2021-05-26T10:24:07","modified_gmt":"2021-05-26T02:24:07","slug":"linux%e5%86%85%e6%a0%b8%e6%97%a0%e9%94%81%e7%bc%93%e5%86%b2%e9%98%9f%e5%88%97kfifo%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/5269","title":{"rendered":"linux\u5185\u6838\u65e0\u9501\u7f13\u51b2\u961f\u5217kfifo\u539f\u7406"},"content":{"rendered":"<p class=\"postTitle\"><a href=\"https:\/\/www.cnblogs.com\/wangshaowei\/p\/11559522.html\">\u539f\u6587\u5730\u5740<\/a><\/p>\n<div class=\"clear\"><\/div>\n<div class=\"postBody\">\n<div id=\"cnblogs_post_body\" class=\"blogpost-body blogpost-body-html\">\n<p>Linux kernel\u91cc\u9762\u4ece\u6765\u5c31\u4e0d\u7f3a\u5c11\u7b80\u6d01\uff0c\u4f18\u96c5\u548c\u9ad8\u6548\u7684\u4ee3\u7801<\/p>\n<p>\u6bd4\u5982\uff0c\u901a\u8fc7\u9650\u5b9a\u5199\u5165\u7684\u6570\u636e\u4e0d\u80fd\u6ea2\u51fa\u548c\u5185\u5b58\u5c4f\u969c\u5b9e\u73b0\u5728\u5355\u7ebf\u7a0b\u5199\u5355\u7ebf\u7a0b\u8bfb\u7684\u60c5\u51b5\u4e0b\u4e0d\u4f7f\u7528\u9501\u3002\u56e0\u4e3a\u9501\u662f\u4f7f\u7528\u5728\u5171\u4eab\u8d44\u6e90\u53ef\u80fd\u5b58\u5728\u51b2\u7a81\u7684\u60c5\u51b5\u4e0b\u3002\u8fd8\u7528\u8bbe\u7f6ebuffer\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u4e3a2\u7684\u5e42\u6b21\u65b9\uff0c\u4ee5\u7b80\u5316\u6c42\u6a21\u8fd0\u7b97\uff0c\u8fd9\u6837\u6c42\u6a21\u8fd0\u7b97\u5c31\u6f14\u53d8\u4e3a\u00a0(fifo-&gt;in &amp; (fifo-&gt;size &#8211; 1))\u3002\u901a\u8fc7\u4f7f\u7528unsigned int\u4e3akfifo\u7684\u4e0b\u6807\uff0c\u53ef\u4ee5\u4e0d\u7528\u8003\u8651\u6bcf\u6b21\u4e0b\u6807\u8d85\u8fc7size\u65f6\u5bf9\u4e0b\u8868\u8fdb\u884c\u53d6\u6a21\u8fd0\u7b97\u8d4b\u503c\uff0c\u8fd9\u91cc\u4f7f\u7528\u5230\u4e86\u65e0\u7b26\u53f7\u6574\u6570\u7684\u6ea2\u51fa\u56de\u96f6\u7684\u7279\u6027\u3002\u7531\u4e8e\u6307\u793a\u8bfb\u5199\u6307\u9488\u7684\u4e0b\u6807\u4e00\u76f4\u5728\u589e\u52a0\uff0c\u6ca1\u6709\u8fdb\u884c\u53d6\u6a21\u8fd0\u7b97\uff0c\u77e5\u9053\u5176\u6ea2\u51fa\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5199\u6ee1\u548c\u8bfb\u5b8c\u5c31\u662f\u4e0d\u4e00\u6837\u7684\u6807\u5fd7\uff0c\u5199\u6ee1\u662f\u4e24\u8005\u6307\u9488\u4e4b\u5dee\u4e3afifo-&gt;size\uff0c\u8bfb\u5b8c\u7684\u6807\u5fd7\u662f\u4e24\u8005\u6307\u9488\u76f8\u7b49\u3002\u540e\u9762\u6709\u4e00\u7bc7\u535a\u5ba2\u8fd8\u4ecb\u7ecd\u4e86VxWorks\u4e0b\u7684\u73af\u5f62\u7f13\u51b2\u533a\u7684\u5b9e\u73b0\u673a\u5236<a href=\"http:\/\/blog.csdn.net\/yang_chen_shi_wo\/article\/details\/46530015\" rel=\"nofollow\" data-token=\"4613169529a4b87d6a9d394db11b9139\">\u70b9\u51fb\u6253\u5f00\u94fe\u63a5<\/a>\uff0c\u4ece\u800c\u53ef\u4ee5\u770b\u51falinux\u4e0b\u7684fifo\u7684\u7075\u5de7\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n<p><code>kfifo<\/code>\u4e3b\u8981\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\u4fdd\u8bc1\u7f13\u51b2\u7a7a\u95f4\u7684\u5927\u5c0f\u4e3a2\u7684\u6b21\u5e42\uff0c\u4e0d\u662f\u7684\u5411\u4e0a\u53d6\u6574\u4e3a2\u7684\u6b21\u5e42\u3002<\/li>\n<li>\u4f7f\u7528\u65e0\u7b26\u53f7\u6574\u6570\u4fdd\u5b58\u8f93\u5165(in)\u548c\u8f93\u51fa(out)\u7684\u4f4d\u7f6e\uff0c\u5728\u8f93\u5165\u8f93\u51fa\u65f6\u4e0d\u5bf9in\u548cout\u7684\u503c\u8fdb\u884c\u6a21\u8fd0\u7b97\uff0c\u800c\u8ba9\u5176\u81ea\u7136\u6ea2\u51fa\uff0c\u5e76\u80fd\u591f\u4fdd\u8bc1<code>in-out<\/code>\u7684\u7ed3\u679c\u4e3a\u7f13\u51b2\u533a\u4e2d\u5df2\u5b58\u653e\u7684\u6570\u636e\u957f\u5ea6\uff0c\u8fd9\u4e5f\u662f\u6700\u80fd\u4f53\u73b0<code>kfifo<\/code>\u5b9e\u73b0\u6280\u5de7\u7684\u5730\u65b9\uff1b<\/li>\n<li>\u4f7f\u7528\u5185\u5b58\u5c4f\u969c(Memory Barrier)\u6280\u672f\uff0c\u5b9e\u73b0\u5355\u6d88\u8d39\u8005\u548c\u5355\u751f\u4ea7\u8005\u5bf9<code>kfifo<\/code>\u7684\u65e0\u9501\u5e76\u53d1\u8bbf\u95ee\uff0c\u591a\u4e2a\u6d88\u8d39\u8005\u3001\u751f\u4ea7\u8005\u7684\u5e76\u53d1\u8bbf\u95ee\u8fd8\u662f\u9700\u8981\u52a0\u9501\u7684\u3002<\/li>\n<\/ul>\n<p>\u672c\u6587\u4e3b\u8981\u4ee5\u4e0b\u4e09\u4e2a\u90e8\u5206\uff1a<\/p>\n<ul>\n<li>\u5173\u4e8e2\u7684\u6b21\u5e42\u95ee\u9898\uff0c\u5224\u65ad\u662f\u4e0d\u662f2\u7684\u6b21\u5e42\u4ee5\u53ca\u5411\u4e0a\u53d6\u6574\u4e3a2\u7684\u6b21\u5e42<\/li>\n<li>Linux\u5185\u6838\u4e2d<code>kfifo<\/code>\u7684\u5b9e\u73b0\u53ca\u7b80\u8981\u5206\u6790<\/li>\n<li>\u6839\u636e<code>kfifo<\/code>\u5b9e\u73b0\u7684\u5faa\u73af\u7f13\u51b2\u533a\uff0c\u5e76\u8fdb\u884c\u4e00\u4e9b\u6d4b\u8bd5<\/li>\n<\/ul>\n<p>\u5173\u4e8e\u5185\u5b58\u5c4f\u969c\u7684\u672c\u6587\u4e0d\u4f5c\u8fc7\u591a\u5206\u6790\uff0c\u53ef\u4ee5\u53c2\u8003Wiki<a href=\"https:\/\/en.wikipedia.org\/wiki\/Memory_barrier\">Memory Barrier<\/a>\u3002\u53e6\u5916\uff0c\u672c\u6587\u6240\u6d89\u53ca\u7684\u6574\u6570\u90fd\u9ed8\u8ba4\u4e3a\u65e0\u7b26\u53f7\u6574\u6570\uff0c\u4e0d\u518d\u505a\u4e00\u4e00\u8bf4\u660e\u3002<\/p>\n<h3 id=\"autoid-0-0-0\">1. 2\u7684\u6b21\u5e42<\/h3>\n<ul>\n<li><strong>\u5224\u65ad\u4e00\u4e2a\u6570\u662f\u4e0d\u662f2\u7684\u6b21\u5e42<\/strong><br \/>\n<code>kfifo<\/code>\u8981\u4fdd\u8bc1\u5176\u7f13\u5b58\u7a7a\u95f4\u7684\u5927\u5c0f\u4e3a2\u7684\u6b21\u5e42\uff0c\u5982\u679c\u4e0d\u662f\u5219\u5411\u4e0a\u53d6\u6574\u4e3a2\u7684\u6b21\u5e42\u3002\u5176\u5bf9\u4e8e2\u7684\u6b21\u5e42\u7684\u5224\u65ad\u65b9\u5f0f\u4e5f\u662f\u5f88\u5de7\u5999\u7684\u3002\u5982\u679c\u4e00\u4e2a\u6574\u6570n\u662f2\u7684\u6b21\u5e42\uff0c\u5219\u4e8c\u8fdb\u5236\u6a21\u5f0f\u5fc5\u7136\u662f<code>1000...<\/code>\uff0c\u800cn-1\u7684\u4e8c\u8fdb\u5236\u6a21\u5f0f\u5219\u662f<code>0111...<\/code>\uff0c\u4e5f\u5c31\u662f\u8bf4n\u548cn-1\u7684\u6bcf\u4e2a\u4e8c\u8fdb\u5236\u4f4d\u90fd\u4e0d\u76f8\u540c\uff0c\u4f8b\u5982\uff1a8(1000)\u548c7(0111)\uff1bn\u4e0d\u662f2\u7684\u6b21\u5e42\uff0c\u5219n\u548cn-1\u7684\u4e8c\u8fdb\u5236\u5fc5\u7136\u6709\u76f8\u540c\u7684\u4f4d\u90fd\u4e3a1\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\uff1a7(0111)\u548c6(0110)\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u6839\u636e\u00a0<code>n &amp; (n-1)<\/code>\u7684\u7ed3\u679c\u6765\u5224\u65ad\u6574\u6570n\u662f\u4e0d\u662f2\u7684\u6b21\u5e42\uff0c\u5b9e\u73b0\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n<pre class=\"codeblock\"><code class=\"hljs cpp\"><span class=\"hljs-comment\">\/*\r\n    \u5224\u65adn\u662f\u5426\u662f2\u7684\u5e42\r\n    \u82e5n\u4e3a2\u7684\u6b21\u5e42,   \u5219 n &amp; (n-1) == 0\uff0c\u4e5f\u5c31\u662fn\u548cn-1\u7684\u5404\u4e2a\u4f4d\u90fd\u4e0d\u76f8\u540c\u3002\u4f8b\u5982 8(1000)\u548c7(0111\uff09\r\n    \u82e5n\u4e0d\u662f2\u7684\u6b21\u5e42, \u5219 n &amp; (n-1) != 0,\u4e5f\u5c31\u662fn\u548cn-1\u7684\u5404\u4e2a\u4f4d\u80af\u5b9a\u6709\u76f8\u540c\u7684\uff0c\u4f8b\u59827(0111)\u548c6(0110)\r\n*\/\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">static inline bool <span class=\"hljs-title\">is_power_of_2<span class=\"hljs-params\">(uint32_t n)\r\n{\r\n    return (n != <span class=\"hljs-number\">0 &amp;&amp; ((n &amp; (n - 1)) == 0));\r\n}<\/span><\/span><\/span><\/span><\/span><\/span><\/code><\/pre>\n<ul>\n<li>\u5c06\u6570\u5b57\u5411\u4e0a\u53d6\u6574\u4e3a2\u7684\u6b21\u5e42<br \/>\n\u5982\u679c\u8bbe\u5b9a\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u4e0d\u662f2\u7684\u6b21\u5e42\uff0c\u5219\u5411\u4e0a\u53d6\u6574\u4e3a2\u7684\u6b21\u5e42\uff0c\u4f8b\u5982\uff1a\u8bbe\u5b9a\u4e3a5\uff0c\u5219\u5411\u4e0a\u53d6\u4e3a8\u3002\u4e0a\u9762\u63d0\u5230\u6574\u6570n\u662f2\u7684\u6b21\u5e42\uff0c\u5219\u5176\u4e8c\u8fdb\u5236\u6a21\u5f0f\u4e3a<code>100...<\/code>\uff0c\u6545\u5982\u679c\u6b63\u6570k\u4e0d\u662fn\u7684\u6b21\u5e42\uff0c\u53ea\u9700\u627e\u5230\u5176\u6700\u9ad8\u7684\u6709\u6548\u4f4d1\u6240\u5728\u7684\u4f4d\u7f6e\uff08\u4ece1\u5f00\u59cb\u8ba1\u6570\uff09pos\uff0c\u7136\u540e<code>1 &lt;&lt; pos<\/code>\u5373\u53ef\u5c06k\u5411\u4e0a\u53d6\u6574\u4e3a2\u7684\u6b21\u5e42\u3002\u5b9e\u73b0\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n<pre class=\"codeblock\"><code class=\"hljs cpp\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">static inline uint32_t <span class=\"hljs-title\">roundup_power_of_2<span class=\"hljs-params\">(uint32_t a)\r\n{\r\n    if (a == <span class=\"hljs-number\">0)\r\n        return 0;\r\n\r\n    uint32_t position = 0;\r\n    for (int i = a; i != 0; i &gt;&gt;= 1)\r\n        position++;\r\n\r\n    return static_cast&lt;uint32_t&gt;(1 &lt;&lt; position);\r\n}\r\n\r\nfifo-&gt;in &amp; (fifo-&gt;size - 1) \u518d\u6bd4\u5982\u8fd9\u79cd\u5199\u6cd5\u53d6\u6a21\uff0c\u83b7\u53d6\u5df2\u7528\u7684\u5927\u5c0f\u3002\u8fd9\u6837\u7528\u903b\u8f91\u4e0e\u7684\u65b9\u5f0f\u76f8\u8f83\u4e8e\u52a0\u51cf\u6cd5\u66f4\u6709\u6548\u7387\r\n\u4e8c:\r\nLinux\u5185\u6838\u4e2d<code>kfifo<\/code>\u5b9e\u73b0\u6280\u5de7\uff0c\u4e3b\u8981\u96c6\u4e2d\u5728\u653e\u5165\u6570\u636e\u7684<code>put<\/code>\u65b9\u6cd5\u548c\u53d6\u6570\u636e\u7684<code>get<\/code>\u65b9\u6cd5\u3002\u4ee3\u7801\u5982\u4e0b\uff1a\r\n<\/span><\/span><\/span><\/span><\/span><\/code><\/pre>\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=\"\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<pre> 1 unsigned int __kfifo_put(struct kfifo *fifo, unsigned char *buffer, unsigned int len)   \r\n 2 {   \r\n 3     unsigned int l;   \r\n 4   \r\n 5     len = min(len, fifo-&gt;size - fifo-&gt;in + fifo-&gt;out);   \r\n 6   \r\n 7     \/*  \r\n 8      * Ensure that we sample the fifo-&gt;out index -before- we  \r\n 9      * start putting bytes into the kfifo.  \r\n10      *\/   \r\n11   \r\n12     smp_mb();   \r\n13   \r\n14     \/* first put the data starting from fifo-&gt;in to buffer end *\/   \r\n15     l = min(len, fifo-&gt;size - (fifo-&gt;in &amp; (fifo-&gt;size - 1)));   \r\n16     memcpy(fifo-&gt;buffer + (fifo-&gt;in &amp; (fifo-&gt;size - 1)), buffer, l);   \r\n17   \r\n18     \/* then put the rest (if any) at the beginning of the buffer *\/   \r\n19     memcpy(fifo-&gt;buffer, buffer + l, len - l);   \r\n20   \r\n21     \/*  \r\n22      * Ensure that we add the bytes to the kfifo -before-  \r\n23      * we update the fifo-&gt;in index.  \r\n24      *\/   \r\n25   \r\n26     smp_wmb();   \r\n27   \r\n28     fifo-&gt;in += len;   \r\n29   \r\n30     return len;   \r\n31 }  \r\n32   \r\n33 unsigned int __kfifo_get(struct kfifo *fifo,unsigned char *buffer, unsigned int len)   \r\n34 {   \r\n35     unsigned int l;   \r\n36   \r\n37     len = min(len, fifo-&gt;in - fifo-&gt;out);   \r\n38   \r\n39     \/*  \r\n40      * Ensure that we sample the fifo-&gt;in index -before- we  \r\n41      * start removing bytes from the kfifo.  \r\n42      *\/   \r\n43   \r\n44     smp_rmb();   \r\n45   \r\n46     \/* first get the data from fifo-&gt;out until the end of the buffer *\/   \r\n47     l = min(len, fifo-&gt;size - (fifo-&gt;out &amp; (fifo-&gt;size - 1)));   \r\n48     memcpy(buffer, fifo-&gt;buffer + (fifo-&gt;out &amp; (fifo-&gt;size - 1)), l);   \r\n49   \r\n50     \/* then get the rest (if any) from the beginning of the buffer *\/   \r\n51     memcpy(buffer + l, fifo-&gt;buffer, len - l);   \r\n52   \r\n53     \/*  \r\n54      * Ensure that we remove the bytes from the kfifo -before-  \r\n55      * we update the fifo-&gt;out index.  \r\n56      *\/   \r\n57   \r\n58     smp_mb();   \r\n59   \r\n60     fifo-&gt;out += len;   \r\n61   \r\n62     return len;   \r\n63 }<\/pre>\n<div class=\"cnblogs_code_toolbar\"><span class=\"cnblogs_code_copy\"><a title=\"\u590d\u5236\u4ee3\u7801\"><img decoding=\"async\" src=\"\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<\/div>\n<p><code>put<\/code>\u8fd4\u56de\u5b9e\u9645\u4fdd\u5b58\u5230\u7f13\u51b2\u533a\u4e2d\u7684\u6570\u636e\u957f\u5ea6\uff0c<code>get<\/code>\u8fd4\u56de\u7684\u662f\u5b9e\u9645\u53d6\u5230\u7684\u6570\u636e\u957f\u5ea6\u3002\u5728\u4e0a\u9762\u4ee3\u7801\u4e2d\uff0c\u9700\u8981\u6ce8\u610f\u5230\u5728\u5199\u5165\u3001\u53d6\u51fa\u65f6\u5019\u7684\u4e24\u6b21<code>min<\/code>\u8fd0\u7b97\u3002\u5173\u4e8e<code>kfifo<\/code>\u7684\u5206\u6790\uff0c\u5df2\u6709\u5f88\u591a\u8d44\u6599\u4e86\uff0c\u4e5f\u53ef\u53c2\u8003<a href=\"http:\/\/blog.csdn.net\/chen19870707\/article\/details\/39899743\">\u7709\u76ee\u4f20\u60c5\u4e4b\u5320\u5fc3\u72ec\u8fd0\u7684kfifo<\/a>\u00a0\u3002<\/p>\n<p>Linux\u5185\u6838\u5b9e\u73b0\u7684kfifo\u7684\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u5185\u5b58\u5c4f\u969c Memory Barrier<\/li>\n<li>\u521d\u59cb\u5316\u7f13\u51b2\u533a\u7a7a\u95f4\u65f6\u8981\u4fdd\u8bc1\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u4e3a2\u7684\u6b21\u5e42<\/li>\n<li>\u4f7f\u7528\u65e0\u7b26\u53f7\u6574\u6570\u4fdd\u5b58in\u548cout\uff08\u8f93\u5165\u8f93\u51fa\u7684\u6307\u9488\uff09\uff0c\u5e76\u4e14\u5728\u653e\u5165\u53d6\u51fa\u6570\u636e\u7684\u65f6\u5019\u4e0d\u505a\u6a21\u8fd0\u7b97\uff0c\u8ba9\u5176\u81ea\u7136\u6ea2\u51fa\u3002<\/li>\n<\/ul>\n<p>\u4f18\u70b9\uff1a<\/p>\n<ol>\n<li>\u5b9e\u73b0\u5355\u6d88\u8d39\u8005\u548c\u5355\u751f\u4ea7\u8005\u7684\u65e0\u9501\u5e76\u53d1\u8bbf\u95ee\u3002\u591a\u6d88\u8d39\u8005\u548c\u591a\u751f\u4ea7\u8005\u7684\u65f6\u5019\u8fd8\u662f\u9700\u8981\u52a0\u9501\u7684\u3002<\/li>\n<li>\u4f7f\u7528\u4e0e\u8fd0\u7b97<code>in &amp; (size-1)<\/code>\u4ee3\u66ff\u6a21\u8fd0\u7b97<\/li>\n<li><strong>\u5728\u66f4\u65b0in\u6216\u8005out\u7684\u503c\u65f6\u4e0d\u505a\u6a21\u8fd0\u7b97\uff0c\u800c\u662f\u8ba9\u5176\u81ea\u52a8\u6ea2\u51fa<\/strong>\u3002\u8fd9\u5e94\u8be5\u662fkfifo\u5b9e\u73b0\u6700\u725b\u53c9\u7684\u5730\u65b9\u4e86\uff0c\u5229\u7528\u6ea2\u51fa\u540e\u7684\u503c\u53c2\u4e0e\u8fd0\u7b97\uff0c\u5e76\u4e14\u80fd\u591f\u4fdd\u8bc1\u7ed3\u679c\u7684\u6b63\u786e\u3002\u6ea2\u51fa\u8fd0\u7b97\u4fdd\u8bc1\u4e86\u4ee5\u4e0b\u51e0\u70b9\uff1a\n<ul>\n<li>in &#8211; out\u4e3a\u7f13\u51b2\u533a\u4e2d\u7684\u6570\u636e\u957f\u5ea6<\/li>\n<li>size &#8211; in + out \u4e3a\u7f13\u51b2\u533a\u4e2d\u7a7a\u95f2\u7a7a\u95f4<\/li>\n<li>in == out\u65f6\u7f13\u51b2\u533a\u4e3a\u7a7a<\/li>\n<li>size == (in &#8211; out)\u65f6\u7f13\u51b2\u533a\u6ee1\u4e86<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<pre class=\"codeblock\"><code class=\"hljs cpp\"><\/code>\r\n\u8bb2\u89e3\u6700\u8be6\u7ec6\u7684\u4e00\u7bc7https:\/\/blog.csdn.net\/linyt\/article\/details\/53355355\r\n\u53e6\u5916\u4e00\u4e2ahttps:\/\/www.cnblogs.com\/wangguchangqing\/p\/6070286.html<\/pre>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740 Linux kernel\u91cc\u9762\u4ece<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[118],"class_list":["post-5269","post","type-post","status-publish","format-standard","hentry","tag-02-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=5269"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5269\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=5269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=5269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=5269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}