{"id":302,"date":"2020-10-21T21:55:12","date_gmt":"2020-10-21T13:55:12","guid":{"rendered":"http:\/\/moyisuiying.com\/?p=302"},"modified":"2020-12-10T14:24:25","modified_gmt":"2020-12-10T06:24:25","slug":"%e5%86%85%e6%a0%b8%e5%ae%9a%e6%97%b6%e5%99%a8-%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f%e8%af%be%e7%a8%8b%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/moyisuiying.com\/index.php\/os\/302.html","title":{"rendered":"\u5185\u6838\u5b9a\u65f6\u5668\u2014\u2014\u64cd\u4f5c\u7cfb\u7edf\u8bfe\u7a0b\u8bbe\u8ba1"},"content":{"rendered":"\n<h1>1.\u8bbe\u8ba1\u9898\u76ee\u4e0e\u8981\u6c42<\/h1>\n\n\n\n<h2>1.1\u8bbe\u8ba1\u9898\u76ee\uff1a\u5185\u6838\u5b9a\u65f6\u5668<\/h2>\n\n\n\n<h2>1.2\u8bbe\u8ba1\u8981\u6c42\uff1a<\/h2>\n\n\n\n<p>\u901a\u8fc7\u7814\u7a76\u5185\u6838\u7684\u65f6\u95f4\u7ba1\u7406\u7b97\u6cd5\uff0c\u5b66\u4e60\u5185\u6838\u6e90\u4ee3\u7801\uff1b\u7136\u540e\u5e94\u7528\u8fd9\u4e9b\u77e5\u8bc6\u5e76\u4e14\u4f7f\u7528\u201c\u4fe1\u53f7\u201d\u5efa\u7acb\u4e00\u79cd\u7528\u6237\u7a7a\u95f4\u673a\u5236\u6765\u6d4b\u91cf\u4e00\u4e2a\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u7684\u6267\u884c\u65f6\u95f4\u3002<\/p>\n\n\n\n<h1>2.\u603b\u7684\u8bbe\u8ba1\u601d\u60f3\u53ca\u7cfb\u7edf\u5e73\u53f0\u3001\u8bed\u8a00\u3001\u5de5\u5177<\/h1>\n\n\n\n<h2>2.1 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\u5185\u6838\u5b9a\u65f6\u5668<\/h3>\n\n\n\n<p>\u5185\u6838\u5b9a\u65f6\u5668\u662f\u5185\u6838\u7528\u6765\u63a7\u5236\u5728\u672a\u6765\u67d0\u4e2a\u65f6\u95f4\u70b9\uff08\u57fa\u4e8ejiffies\uff09\u8c03\u5ea6\u6267\u884c\u67d0\u4e2a\u51fd\u6570\u7684\u4e00\u79cd\u673a\u5236\uff0c\u5176\u5b9e\u73b0\u4f4d\u4e8e \u548c kernel\/timer.c \u6587\u4ef6\u4e2d\u3002\u88ab\u8c03\u5ea6\u7684\u51fd\u6570\u80af\u5b9a\u662f\u5f02\u6b65\u6267\u884c\u7684\uff0c\u5b83\u7c7b\u4f3c\u4e8e\u4e00\u79cd\u201c\u8f6f\u4ef6\u4e2d\u65ad\u201d\uff0c\u800c\u4e14\u662f\u5904\u4e8e\u975e\u8fdb\u7a0b\u7684\u4e0a\u4e0b\u6587\u4e2d\uff0c\u6240\u4ee5\u8c03\u5ea6\u51fd\u6570\u5fc5\u987b\u9075\u5b88\u4ee5\u4e0b\u89c4\u5219\uff1a1) \u6ca1\u6709 current \u6307\u9488\u3001\u4e0d\u5141\u8bb8\u8bbf\u95ee\u7528\u6237\u7a7a\u95f4\u3002\u56e0\u4e3a\u6ca1\u6709\u8fdb\u7a0b\u4e0a\u4e0b\u6587\uff0c\u76f8\u5173\u4ee3\u7801\u548c\u88ab\u4e2d\u65ad\u7684\u8fdb\u7a0b\u6ca1\u6709\u4efb\u4f55\u8054\u7cfb\u30022) 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ThreadDemo.cpp\u7136\u540e\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;iostream>\n#include &lt;cstdlib>\n#include &lt;pthread.h>\nusing namespace std;\n#define NUM_THREADS     5\nvoid *PrintHello(void *threadid)\n{  \n   \/\/ \u5bf9\u4f20\u5165\u7684\u53c2\u6570\u8fdb\u884c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff0c\u7531\u65e0\u7c7b\u578b\u6307\u9488\u53d8\u4e3a\u6574\u5f62\u6570\u6307\u9488\uff0c\u7136\u540e\u518d\u8bfb\u53d6\n   int tid = *((int*)threadid);\n   cout &lt;&lt; \"Hello Runoob! \u7ebf\u7a0b ID, \" &lt;&lt; tid &lt;&lt; endl;\n   pthread_exit(NULL);\n}\n\nint main ()\n{\n   pthread_t threads&#91;NUM_THREADS];\n   int indexes&#91;NUM_THREADS];\/\/ \u7528\u6570\u7ec4\u6765\u4fdd\u5b58i\u7684\u503c\n   int rc;\n   int i;\n   for( i=0; i &lt; NUM_THREADS; i++ ){      \n      cout &lt;&lt; \"main() : \u521b\u5efa\u7ebf\u7a0b, \" &lt;&lt; i &lt;&lt; endl;\n      indexes&#91;i] = i; \/\/\u5148\u4fdd\u5b58i\u7684\u503c\n      \/\/ \u4f20\u5165\u7684\u65f6\u5019\u5fc5\u987b\u5f3a\u5236\u8f6c\u6362\u4e3avoid* \u7c7b\u578b\uff0c\u5373\u65e0\u7c7b\u578b\u6307\u9488        \n      rc = pthread_create(&amp;threads&#91;i], NULL, \n                          PrintHello, (void *)&amp;(indexes&#91;i]));\n      if (rc){\n         cout &lt;&lt; \"Error:\u65e0\u6cd5\u521b\u5efa\u7ebf\u7a0b,\" &lt;&lt; rc &lt;&lt; endl;\n         exit(-1);\n      }\n   }\n   pthread_exit(NULL);\n}<\/code><\/pre>\n\n\n\n<p>\u4fdd\u5b58\u540e\u9000\u51fa\u3002\u7136\u540e\u7f16\u8bd1\u8fd0\u884c\uff1a<br><img  src=\"https:\/\/img-blog.csdnimg.cn\/20201021195029281.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br><img  class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021195029282.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021195029281.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021195029282.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p><\/noscript>\n\n\n\n<p>\u901a\u8fc7\u89c2\u5bdf\u53ef\u4ee5\u53d1\u73b0\uff0c\u6bcf\u6b21\u91cd\u65b0\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u7ebf\u7a0b\u5148\u540e\u8f93\u51fa\u7684\u7ed3\u679c\u90fd\u4e0d\u4e00\u6837\uff0c\u8fd9\u8bf4\u660e\u7ebf\u7a0b\u95f4\u5b58\u5728\u62a2\u593aCPU\u8d44\u6e90\u7684\u60c5\u51b5<\/p>\n\n\n\n<h3>2.1.4\u52a8\u6001\u5185\u6838\u5b9a\u65f6\u5668\u673a\u5236\u7684\u539f\u7406<\/h3>\n\n\n\n<p>Linux\u662f\u600e\u6837\u4e3a\u5176\u5185\u6838\u5b9a\u65f6\u5668\u673a\u5236\u63d0\u4f9b\u52a8\u6001\u6269\u5c55\u80fd\u529b\u7684\u5462\uff1f\u5176\u5173\u952e\u5c31\u5728\u4e8e\u201c\u5b9a\u65f6\u5668\u5411\u91cf\u201d\u7684\u6982\u5ff5\u3002\u6240\u8c13\u201c\u5b9a\u65f6\u5668\u5411\u91cf\u201d\u5c31\u662f\u6307\u8fd9\u6837\u4e00\u6761\u53cc\u5411\u5faa\u73af\u5b9a\u65f6\u5668\u961f\u5217\uff08\u5bf9\u5217\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2atimer_list\u7ed3\u6784\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>struct timer_list { \nstruct list_head list; \nunsigned long expires; \nunsigned long data; \nvoid (*function)(unsigned long); \n};<\/code><\/pre>\n\n\n\n<p>\u5bf9\u5217\u4e2d\u7684\u6240\u6709\u5b9a\u65f6\u5668\u90fd\u5728\u540c\u4e00\u4e2a\u65f6\u523b\u5230\u671f\uff0c\u4e5f\u5373\u5bf9\u5217\u4e2d\u7684\u6bcf\u4e00\u4e2atimer_list\u7ed3\u6784\u90fd\u5177\u6709\u76f8\u540c\u7684expires\u503c\u3002\u663e\u7136\uff0c\u53ef\u4ee5\u7528\u4e00\u4e2atimer_list\u7ed3\u6784\u7c7b\u578b\u7684\u6307\u9488\u6765\u8868\u793a\u4e00\u4e2a\u5b9a\u65f6\u5668\u5411\u91cf\u3002\u663e\u7136\uff0c\u5b9a\u65f6\u5668expires\u6210\u5458\u7684\u503c\u4e0ejiffies\u53d8\u91cf\u7684\u5dee\u503c\u51b3\u5b9a\u4e86\u4e00\u4e2a\u5b9a\u65f6\u5668\u5c06\u5728\u591a\u957f\u65f6\u95f4\u540e\u5230\u671f\u3002\u572832\u4f4d\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u4e2a\u65f6\u95f4\u5dee\u503c\u7684\u6700\u5927\u503c\u5e94\u8be5\u662f0xffffffff\u3002\u56e0\u6b64\u5982\u679c\u662f\u57fa\u4e8e\u201c\u5b9a\u65f6\u5668\u5411\u91cf\u201d\u57fa\u672c\u5b9a\u4e49\uff0c\u5185\u6838\u5c06\u81f3\u5c11\u8981\u7ef4\u62a40xffffffff\u4e2atimer_list\u7ed3\u6784\u7c7b\u578b\u7684\u6307\u9488\uff0c\u8fd9\u663e\u7136\u662f\u4e0d\u73b0\u5b9e\u7684\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u4ece\u5185\u6838\u672c\u8eab\u8fd9\u4e2a\u89d2\u5ea6\u770b\uff0c\u5b83\u6240\u5173\u5fc3\u7684\u5b9a\u65f6\u5668\u663e\u7136\u4e0d\u662f\u90a3\u4e9b\u5df2\u7ecf\u8fc7\u671f\u800c\u88ab\u6267\u884c\u8fc7\u7684\u5b9a\u65f6\u5668\uff08\u8fd9\u4e9b\u5b9a\u65f6\u5668\u5b8c\u5168\u53ef\u4ee5\u88ab\u4e22\u5f03\uff09\uff0c\u4e5f\u4e0d\u662f\u90a3\u4e9b\u8981\u7ecf\u8fc7\u5f88\u957f\u65f6\u95f4\u624d\u4f1a\u5230\u671f\u7684\u5b9a\u65f6\u5668\uff0c\u800c\u662f\u90a3\u4e9b\u5f53\u524d\u5df2\u7ecf\u5230\u671f\u6216\u8005\u9a6c\u4e0a\u5c31\u8981\u5230\u671f\u7684\u5b9a\u65f6\u5668\uff08\u6ce8\u610f\uff01\u65f6\u95f4\u95f4\u9694\u662f\u4ee5\u6ef4\u7b54\u6b21\u6570\u4e3a\u8ba1\u6570\u5355\u4f4d\u7684\uff09\u3002\u57fa\u4e8e\u4e0a\u8ff0\u8003\u8651\uff0c\u5e76\u5047\u5b9a\u4e00\u4e2a\u5b9a\u65f6\u5668\u8981\u7ecf\u8fc7interval\u4e2a\u65f6\u949f\u6ef4\u7b54\u540e\u624d\u5230\u671f\uff08interval\uff1dexpires\uff0djiffies\uff09\uff0c\u5219Linux\u91c7\u7528\u4e86\u4e0b\u5217\u601d\u60f3\u6765\u5b9e\u73b0\u5176\u52a8\u6001\u5185\u6838\u5b9a\u65f6\u5668\u673a\u5236\uff1a\u5bf9\u4e8e\u90a3\u4e9b0\u2264interval\u2264255\u7684\u5b9a\u65f6\u5668\uff0cLinux\u4e25\u683c\u6309\u7167\u5b9a\u65f6\u5668\u5411\u91cf\u7684\u57fa\u672c\u8bed\u4e49\u6765\u7ec4\u7ec7\u8fd9\u4e9b\u5b9a\u65f6\u5668\uff0c\u4e5f\u5373Linux\u5185\u6838\u6700\u5173\u5fc3\u90a3\u4e9b\u5728\u63a5\u4e0b\u6765\u7684255\u4e2a\u65f6\u949f\u8282\u62cd\u5185\u5c31\u8981\u5230\u671f\u7684\u5b9a\u65f6\u5668\uff0c\u56e0\u6b64\u5c06\u5b83\u4eec\u6309\u7167\u5404\u81ea\u4e0d\u540c\u7684expires\u503c\u7ec4\u7ec7\u6210256\u4e2a\u5b9a\u65f6\u5668\u5411\u91cf\u3002\u800c\u5bf9\u4e8e\u90a3\u4e9b256\u2264interval\u22640xffffffff\u7684\u5b9a\u65f6\u5668\uff0c\u7531\u4e8e\u4ed6\u4eec\u79bb\u5230\u671f\u8fd8\u6709\u4e00\u6bb5\u65f6\u95f4\uff0c\u56e0\u6b64\u5185\u6838\u5e76\u4e0d\u5173\u5fc3\u4ed6\u4eec\uff0c\u800c\u662f\u5c06\u5b83\u4eec\u4ee5\u4e00\u79cd\u6269\u5c55\u7684\u5b9a\u65f6\u5668\u5411\u91cf\u8bed\u4e49\uff08\u6216\u79f0\u4e3a\u201c\u677e\u6563\u7684\u5b9a\u65f6\u5668\u5411\u91cf\u8bed\u4e49\u201d\uff09\u8fdb\u884c\u7ec4\u7ec7\u3002<\/p>\n\n\n\n<h3>2.1.5 \u5185\u6838\u52a8\u6001\u5b9a\u65f6\u5668\u673a\u5236\u7684\u5b9e\u73b0<\/h3>\n\n\n\n<p>\u5728\u5185\u6838\u52a8\u6001\u5b9a\u65f6\u5668\u673a\u5236\u7684\u5b9e\u73b0\u4e2d\uff0c\u6709\u4e09\u4e2a\u64cd\u4f5c\u662f\u975e\u5e38\u91cd\u8981\u7684\uff1a<br>\uff081\uff09\u5c06\u4e00\u4e2a\u5b9a\u65f6\u5668\u63d2\u5165\u5230\u5b83\u5e94\u8be5\u6240\u5904\u7684\u5b9a\u65f6\u5668\u5411\u91cf\u4e2d\u3002<br>\uff082\uff09\u5b9a\u65f6\u5668\u7684\u8fc1\u79fb\uff0c\u4e5f\u5373\u5c06\u4e00\u4e2a\u5b9a\u65f6\u5668\u4ece\u5b83\u539f\u6765\u6240\u5904\u7684\u5b9a\u65f6\u5668\u5411\u91cf\u8fc1\u79fb\u5230\u53e6\u4e00\u4e2a\u5b9a\u65f6\u5668\u5411\u91cf\u4e2d\u3002<br>\uff083\uff09\u626b\u63cf\u5e76\u6267\u884c\u5f53\u524d\u5df2\u7ecf\u5230\u671f\u7684\u5b9a\u65f6\u5668\u3002<br>\u6b65\u9aa4\uff1a<br>2.1.5.1\u52a8\u6001\u5b9a\u65f6\u5668\u673a\u5236\u7684\u521d\u59cb\u5316\u3002<br>2.1.5.2 \u52a8\u6001\u5b9a\u65f6\u5668\u7684\u65f6\u949f\u6ef4\u7b54\u57fa\u51c6timer_jiffies\u3002<br>2.1.5.3\u5bf9\u5185\u6838\u52a8\u6001\u5b9a\u65f6\u5668\u94fe\u8868\u7684\u4fdd\u62a4\u3002<br>2.1.5.4\u5c06\u4e00\u4e2a\u5b9a\u65f6\u5668\u63d2\u5165\u5230\u94fe\u8868\u4e2d\u3002<br>2.1.5.5\u4fee\u6539\u4e00\u4e2a\u5b9a\u65f6\u5668\u7684expires\u503c\u3002<br>2.1.5.6 \u5220\u9664\u4e00 \u5b9a\u65f6\u5668\u8fc1\u79fb\u64cd\u4f5c\u4e2a\u5b9a\u65f6\u5668\u3002<br>2.1.5.7 \u5b9a\u65f6\u5668\u8fc1\u79fb\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3>2.1.6 Linux \u4fe1\u53f7signal\u5904\u7406\u673a\u5236<\/h3>\n\n\n\n<p>\u8f6f\u4e2d\u65ad\u4fe1\u53f7\uff08signal\uff0c\u53c8\u7b80\u79f0\u4e3a\u4fe1\u53f7\uff09\u7528\u6765\u901a\u77e5\u8fdb\u7a0b\u53d1\u751f\u4e86\u5f02\u6b65\u4e8b\u4ef6\u3002\u5728\u8f6f\u4ef6\u5c42\u6b21\u4e0a\u662f\u5bf9\u4e2d\u65ad\u673a\u5236\u7684\u4e00\u79cd\u6a21\u62df\uff0c\u5728\u539f\u7406\u4e0a\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u6536\u5230\u4e00\u4e2a\u4fe1\u53f7\u4e0e\u5904\u7406\u5668\u6536\u5230\u4e00\u4e2a\u4e2d\u65ad\u8bf7\u6c42\u53ef\u4ee5\u8bf4\u662f\u4e00\u6837\u7684\u3002\u4fe1\u53f7\u662f\u8fdb\u7a0b\u95f4\u901a\u4fe1\u673a\u5236\u4e2d\u552f\u4e00\u7684\u5f02\u6b65\u901a\u4fe1\u673a\u5236\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u4e0d\u5fc5\u901a\u8fc7\u4efb\u4f55\u64cd\u4f5c\u6765\u7b49\u5f85\u4fe1\u53f7\u7684\u5230\u8fbe\uff0c\u4e8b\u5b9e\u4e0a\uff0c\u8fdb\u7a0b\u4e5f\u4e0d\u77e5\u9053\u4fe1\u53f7\u5230\u5e95\u4ec0\u4e48\u65f6\u5019\u5230\u8fbe\u3002\u8fdb\u7a0b\u4e4b\u95f4\u53ef\u4ee5\u4e92\u76f8\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528kill\u53d1\u9001\u8f6f\u4e2d\u65ad\u4fe1\u53f7\u3002\u5185\u6838\u4e5f\u53ef\u4ee5\u56e0\u4e3a\u5185\u90e8\u4e8b\u4ef6\u800c\u7ed9\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7\uff0c\u901a\u77e5\u8fdb\u7a0b\u53d1\u751f\u4e86\u67d0\u4e2a\u4e8b\u4ef6\u3002\u4fe1\u53f7\u673a\u5236\u9664\u4e86\u57fa\u672c\u901a\u77e5\u529f\u80fd\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f20\u9012\u9644\u52a0\u4fe1\u606f\u3002<br>\u6536\u5230\u4fe1\u53f7\u7684\u8fdb\u7a0b\u5bf9\u5404\u79cd\u4fe1\u53f7\u6709\u4e0d\u540c\u7684\u5904\u7406\u65b9\u6cd5\u3002\u5904\u7406\u65b9\u6cd5\u53ef\u4ee5\u5206\u4e3a\u4e09\u7c7b\uff1a<br>\u7b2c\u4e00\u79cd\u662f\u7c7b\u4f3c\u4e2d\u65ad\u7684\u5904\u7406\u7a0b\u5e8f\uff0c\u5bf9\u4e8e\u9700\u8981\u5904\u7406\u7684\u4fe1\u53f7\uff0c\u8fdb\u7a0b\u53ef\u4ee5\u6307\u5b9a\u5904\u7406\u51fd\u6570\uff0c\u7531\u8be5\u51fd\u6570\u6765\u5904\u7406\u3002<br>\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u662f\uff0c\u5ffd\u7565\u67d0\u4e2a\u4fe1\u53f7\uff0c\u5bf9\u8be5\u4fe1\u53f7\u4e0d\u505a\u4efb\u4f55\u5904\u7406\uff0c\u5c31\u8c61\u672a\u53d1\u751f\u8fc7\u4e00\u6837\u3002<br>\u7b2c\u4e09\u79cd\u65b9\u6cd5\u662f\uff0c\u5bf9\u8be5\u4fe1\u53f7\u7684\u5904\u7406\u4fdd\u7559\u7cfb\u7edf\u7684\u9ed8\u8ba4\u503c\uff0c\u8fd9\u79cd\u7f3a\u7701\u64cd\u4f5c\uff0c\u5bf9\u5927\u90e8\u5206\u7684\u4fe1\u53f7\u7684\u7f3a\u7701\u64cd\u4f5c\u662f\u4f7f\u5f97\u8fdb\u7a0b\u7ec8\u6b62\u3002\u8fdb\u7a0b\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528signal\u6765\u6307\u5b9a\u8fdb\u7a0b\u5bf9\u67d0\u4e2a\u4fe1\u53f7\u7684\u5904\u7406\u884c\u4e3a\u3002<br><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021195310959.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u5904\u7406\u52a8\u4f5c\u4e00\u9879\u4e2d\u7684\u5b57\u6bcd\u542b\u4e49\u5982\u4e0b\u3002<br>A \u7f3a\u7701\u7684\u52a8\u4f5c\u662f\u7ec8\u6b62\u8fdb\u7a0b\u3002<br>B \u7f3a\u7701\u7684\u52a8\u4f5c\u662f\u5ffd\u7565\u6b64\u4fe1\u53f7\uff0c\u5c06\u8be5\u4fe1\u53f7\u4e22\u5f03\uff0c\u4e0d\u505a\u5904\u7406\u3002<br>C \u7f3a\u7701\u7684\u52a8\u4f5c\u662f\u7ec8\u6b62\u8fdb\u7a0b\u5e76\u8fdb\u884c\u5185\u6838\u6620\u50cf\u8f6c\u50a8\uff08dump core\uff09\uff0c\u5185\u6838\u6620\u50cf\u8f6c\u50a8\u662f\u6307\u5c06\u8fdb\u7a0b\u6570\u636e\u5728\u5185\u5b58\u7684\u6620\u50cf\u548c\u8fdb\u7a0b\u5728\u5185\u6838\u7ed3\u6784\u4e2d\u7684\u90e8\u5206\u5185\u5bb9\u4ee5\u4e00\u5b9a\u683c\u5f0f\u8f6c\u50a8\u5230\u6587\u4ef6\u7cfb\u7edf\uff0c\u5e76\u4e14\u8fdb\u7a0b\u9000\u51fa\u6267\u884c\uff0c\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u4e3a\u7a0b\u5e8f\u5458\u63d0\u4f9b\u4e86\u65b9\u4fbf\uff0c\u4f7f\u5f97\u4ed6\u4eec\u53ef\u4ee5\u5f97\u5230\u8fdb\u7a0b\u5f53\u65f6\u6267\u884c\u65f6\u7684\u6570\u636e\u503c\uff0c\u5141\u8bb8\u4ed6\u4eec\u786e\u5b9a\u8f6c\u50a8\u7684\u539f\u56e0\uff0c\u5e76\u4e14\u53ef\u4ee5\u8c03\u8bd5\u4ed6\u4eec\u7684\u7a0b\u5e8f\u3002<br>D \u7f3a\u7701\u7684\u52a8\u4f5c\u662f\u505c\u6b62\u8fdb\u7a0b\uff0c\u8fdb\u5165\u505c\u6b62\u72b6\u51b5\u4ee5\u540e\u8fd8\u80fd\u91cd\u65b0\u8fdb\u884c\u4e0b\u53bb\uff0c\u4e00\u822c\u662f\u5728\u8c03\u8bd5\u7684\u8fc7\u7a0b\u4e2d\uff08\u4f8b\u5982ptrace\u7cfb\u7edf\u8c03\u7528\uff09\u3002<br>E \u4fe1\u53f7\u4e0d\u80fd\u88ab\u6355\u83b7\u3002<br>F \u4fe1\u53f7\u4e0d\u80fd\u88ab\u5ffd\u7565\u3002<\/p >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021195310959.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u5904\u7406\u52a8\u4f5c\u4e00\u9879\u4e2d\u7684\u5b57\u6bcd\u542b\u4e49\u5982\u4e0b\u3002<br>A \u7f3a\u7701\u7684\u52a8\u4f5c\u662f\u7ec8\u6b62\u8fdb\u7a0b\u3002<br>B \u7f3a\u7701\u7684\u52a8\u4f5c\u662f\u5ffd\u7565\u6b64\u4fe1\u53f7\uff0c\u5c06\u8be5\u4fe1\u53f7\u4e22\u5f03\uff0c\u4e0d\u505a\u5904\u7406\u3002<br>C \u7f3a\u7701\u7684\u52a8\u4f5c\u662f\u7ec8\u6b62\u8fdb\u7a0b\u5e76\u8fdb\u884c\u5185\u6838\u6620\u50cf\u8f6c\u50a8\uff08dump core\uff09\uff0c\u5185\u6838\u6620\u50cf\u8f6c\u50a8\u662f\u6307\u5c06\u8fdb\u7a0b\u6570\u636e\u5728\u5185\u5b58\u7684\u6620\u50cf\u548c\u8fdb\u7a0b\u5728\u5185\u6838\u7ed3\u6784\u4e2d\u7684\u90e8\u5206\u5185\u5bb9\u4ee5\u4e00\u5b9a\u683c\u5f0f\u8f6c\u50a8\u5230\u6587\u4ef6\u7cfb\u7edf\uff0c\u5e76\u4e14\u8fdb\u7a0b\u9000\u51fa\u6267\u884c\uff0c\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u4e3a\u7a0b\u5e8f\u5458\u63d0\u4f9b\u4e86\u65b9\u4fbf\uff0c\u4f7f\u5f97\u4ed6\u4eec\u53ef\u4ee5\u5f97\u5230\u8fdb\u7a0b\u5f53\u65f6\u6267\u884c\u65f6\u7684\u6570\u636e\u503c\uff0c\u5141\u8bb8\u4ed6\u4eec\u786e\u5b9a\u8f6c\u50a8\u7684\u539f\u56e0\uff0c\u5e76\u4e14\u53ef\u4ee5\u8c03\u8bd5\u4ed6\u4eec\u7684\u7a0b\u5e8f\u3002<br>D \u7f3a\u7701\u7684\u52a8\u4f5c\u662f\u505c\u6b62\u8fdb\u7a0b\uff0c\u8fdb\u5165\u505c\u6b62\u72b6\u51b5\u4ee5\u540e\u8fd8\u80fd\u91cd\u65b0\u8fdb\u884c\u4e0b\u53bb\uff0c\u4e00\u822c\u662f\u5728\u8c03\u8bd5\u7684\u8fc7\u7a0b\u4e2d\uff08\u4f8b\u5982ptrace\u7cfb\u7edf\u8c03\u7528\uff09\u3002<br>E \u4fe1\u53f7\u4e0d\u80fd\u88ab\u6355\u83b7\u3002<br>F \u4fe1\u53f7\u4e0d\u80fd\u88ab\u5ffd\u7565\u3002<\/p><\/noscript>\n\n\n\n<p><strong>\u4fe1\u53f7\u7684\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n<p>\u521b\u5efaSignalDemo.cpp\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528vim SignalDemo.cpp\u8fdb\u5165\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;iostream>\n#include &lt;csignal>\n#include &lt;unistd.h>\nusing namespace std;\nvoid signalHandler( int signum )\n{\n    cout &lt;&lt; \"Interrupt signal (\" &lt;&lt; signum &lt;&lt; \") received.\\n\";\n   \/\/ \u6e05\u7406\u5e76\u5173\u95ed\n    \/\/ \u7ec8\u6b62\u7a0b\u5e8f  \n   exit(signum);  \n}\n\nint main ()\n{\n    \/\/ \u6ce8\u518c\u4fe1\u53f7 SIGINT \u548c\u4fe1\u53f7\u5904\u7406\u7a0b\u5e8f\n    signal(SIGINT, signalHandler);  \n    while(1){\n       cout &lt;&lt; \"Going to sleep....\" &lt;&lt; endl;\n       sleep(1);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u4fdd\u5b58\u540e\u9000\u51fa\uff0c\u7136\u540e\u8fdb\u884c\u7f16\u8bd1\uff1a<br><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021195509457.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u7a0b\u5e8f\u8fd0\u884c\u65f6\u4e00\u76f4\u5faa\u73af\u8f93\u51fa \u201cgoing to sleep \u2026.\u201d\uff0c\u5f53\u6309\u4e0bCtrl + C \u6309\u952e\u65f6\u63a5\u6536\u5230\u952e\u4e2d\u65ad\u4fe1\u53f7SIGINT 2\uff0c\u4ece\u800c\u8be5\u7a0b\u5e8f\u7ed3\u675f\u8fd0\u884c\u3002<\/p >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021195509457.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u7a0b\u5e8f\u8fd0\u884c\u65f6\u4e00\u76f4\u5faa\u73af\u8f93\u51fa \u201cgoing to sleep \u2026.\u201d\uff0c\u5f53\u6309\u4e0bCtrl + C \u6309\u952e\u65f6\u63a5\u6536\u5230\u952e\u4e2d\u65ad\u4fe1\u53f7SIGINT 2\uff0c\u4ece\u800c\u8be5\u7a0b\u5e8f\u7ed3\u675f\u8fd0\u884c\u3002<\/p><\/noscript>\n\n\n\n<h3>2.1.7\u6d4b\u91cf\u4e00\u4e2a\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u7684\u6267\u884c\u65f6\u95f4\u7684\u8bbe\u8ba1\u539f\u7406<\/h3>\n\n\n\n<p>\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u90fd\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u6240\u4f53\u4f1a\u7684\u7a0b\u5e8f\u8fd0\u884c\u7684\u57fa\u672c\u5355\u5143\uff0c\u7cfb\u7edf\u5229\u7528\u8be5\u57fa\u672c\u5355\u5143\u5b9e\u73b0\u7cfb\u7edf\u5bf9\u5e94\u7528\u7684\u5e76\u53d1\u6027\u3002\u4e00\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u7ebf\u7a0b\uff0c\u5404\u4e2a\u7ebf\u7a0b\u4e4b\u95f4\u5171\u4eab\u7a0b\u5e8f\u7684\u5185\u5b58\u7a7a\u95f4(\u4e5f\u5c31\u662f\u6240\u5728\u8fdb\u7a0b\u7684\u5185\u5b58\u7a7a\u95f4)\u3002linux\u662f\u4e00\u4e2a\u5177\u6709\u4fdd\u62a4\u6a21\u5f0f\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\u5b83\u4e00\u76f4\u5de5\u4f5c\u5728i386 cpu\u7684\u4fdd\u62a4\u6a21\u5f0f\u4e4b\u4e0b\u3002\u5185\u5b58\u88ab\u5206\u4e3a\u4e24\u4e2a\u5355\u5143: \u5185\u6838\u533a\u57df\u548c\u7528\u6237\u533a\u57df\u3002\u4e00\u822c\u5730\uff0c\u5728\u4f7f\u7528\u865a\u62df\u5185\u5b58\u6280\u672f\u7684\u591a\u4efb\u52a1\u7cfb\u7edf\u4e0a\uff0c\u5185\u6838\u548c\u5e94\u7528\u6709\u4e0d\u540c\u7684\u5730\u5740\u7a7a\u95f4\uff0c\u56e0\u6b64\uff0c\u5728\u5185\u6838\u548c\u5e94\u7528\u4e4b\u95f4\u4ee5\u53ca\u5728\u5e94\u7528\u4e0e\u5e94\u7528\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u9700\u8981\u4e13\u95e8\u7684\u673a\u5236\u6765\u5b9e\u73b0\u3002<br>\u5185\u6838\u5b9a\u65f6\u5668\u662f\u7ba1\u7406\u5185\u6838\u65f6\u95f4\u7684\u57fa\u7840\uff0c\u7528\u6765\u8ba1\u7b97\u6d41\u901d\u7684\u65f6\u95f4\uff0c\u5b83\u4ee5\u67d0\u79cd\u9891\u7387\uff08\u8282\u62cd\u7387\uff09\u81ea\u884c\u89e6\u53d1\u65f6\u949f\u4e2d\u65ad\u3002\u5185\u6838\u5b9a\u65f6\u5668\u5728\u65f6\u949f\u4e2d\u65ad\u53d1\u751f\u540e\uff0c\u4f5c\u4e3a\u8f6f\u4e2d\u65ad\u5728\u4e0b\u534a\u90e8\u7684\u4e0a\u4e0b\u6587\u949f\u6267\u884c\u7684\u3002\u6240\u6709\u7684\u5b9a\u65f6\u5668\u7ed3\u6784\u90fd\u4ee5\u94fe\u8868\u7684\u5f62\u5f0f\u5b58\u50a8\u3002\u65f6\u949f\u4e2d\u65ad\u53d1\u751f\u540e\uff0c\u5185\u6838\u6309\u94fe\u8868\u987a\u5e8f\u4f9d\u6b21\u6267\u884c\u3002<br>\u4e00\u822c\u6765\u8bf4\uff0c\u5b9a\u65f6\u5668\u5728\u8d85\u65f6\u540e\u4f1a\u7acb\u5373\u6267\u884c\uff0c\u4f46\u662f\u4e5f\u6709\u53ef\u80fd\u88ab\u63a8\u8fdf\u5230\u4e0b\u4e00\u4e2a\u65f6\u949f\u8282\u62cd\u624d\u80fd\u8fd0\u884c\uff0c\u6240\u4ee5\u4e0d\u80fd\u7528\u5b9a\u65f6\u5668\u6765\u5b9e\u73b0\u786c\u5b9e\u65f6\u7684\u64cd\u4f5c\u3002\u53c8\u56e0\u4e3a\u5185\u6838\u5b9a\u65f6\u5668\u53d1\u751f\u5728\u8f6f\u4e2d\u65ad\u4e2d\uff0c\u56e0\u6b64\uff0c\u5b9a\u65f6\u5668\u6267\u884c\u51fd\u6570\u4e0d\u80fd\u591f\u7761\u7720\uff0c\u4e5f\u4e0d\u80fd\u591f\u6301\u6709\u4fe1\u53f7\u91cf\u3002\u5982\u679c\u5bf9\u786c\u4ef6\u7684\u8bbf\u95ee\u9700\u8981\u4f7f\u7528\u4fe1\u53f7\u91cf\u540c\u6b65\uff0c\u6216\u8005\u53ef\u80fd\u7761\u7720\uff08\u6bd4\u5982\u9700\u8981\u8c03\u7528kmalloc\u5185\u5b58\u5206\u914d\uff0c\u4f46\u662f\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\u4e0d\u80fd\u4f7f\u7528GFP_ATOMIC\u6807\u5fd7\uff09\uff0c\u5c31\u4e0d\u80fd\u76f4\u63a5\u901a\u8fc7\u5b9a\u65f6\u5668\u6765\u5b9e\u73b0\u4e86\u3002\u4e00\u4e2a\u53d8\u901a\u7684\u505a\u6cd5\u662f\u5728\u5185\u6838\u5b9a\u65f6\u5668\u6267\u884c\u51fd\u6570\u91cc\u8c03\u7528\u5de5\u4f5c\u961f\u5217\uff0c\u5728\u5de5\u4f5c\u961f\u5217\u5904\u7406\u51fd\u6570\u4e2d\u5b9e\u73b0\u5bf9\u786c\u4ef6\u7684\u8bbf\u95ee\u3002<br>\u672c\u6b21\u7684\u5b9e\u9a8c\u4f7f\u7528\u4e09\u4e2a\u7ebf\u7a0b\uff0c\u4e00\u4e2a\u4e3b\u7ebf\u7a0bmain,\u53e6\u5916\u4e24\u4e2a\u5b50\u7ebf\u7a0b\u3002\u6211\u4eec\u5c31\u662f\u5728\u4e3b\u7ebf\u7a0bmain\u4e2d\u6d4b\u91cf\u4e24\u4e2a\u5b50\u7ebf\u7a0b\u540c\u65f6\u8fd0\u884c\u6240\u9700\u8981\u7684\u65f6\u95f4\u3002\u4e3a\u4e86\u65b9\u4fbf\u6d4b\u8bd5\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u5012\u8ba1\u65f65s\uff0c\u4ee5\u6b64\u6765\u66f4\u52a0\u76f4\u89c2\u770b\u5230\u6d4b\u91cf\u7684\u65f6\u95f4\u3002<\/p>\n\n\n\n<h2>2.2 \u7cfb\u7edf\u5e73\u53f0\uff1a<\/h2>\n\n\n\n<p>\u963f\u91cc\u4e91\u670d\u52a1\u5668\u7684\u4e00\u53f0Linux\u4e3b\u673a\u4e14\u6709\u8d85\u7ea7\u7528\u6237\u6743\u9650<\/p>\n\n\n\n<h2>2.3 \u7f16\u7a0b\u5de5\u5177\uff1a<\/h2>\n\n\n\n<p>VIM\u7f16\u8f91\u5668<\/p>\n\n\n\n<h1>3.\u6570\u636e\u7ed3\u6784\u4e0e\u6a21\u5757\u8bf4\u660e\uff08\u529f\u80fd\u4e0e\u6d41\u7a0b\u56fe\uff09<\/h1>\n\n\n\n<h2>3.1\u672c\u7a0b\u5e8f\u7684\u57fa\u672c\u6570\u636e\u7ed3\u6784\uff1a<\/h2>\n\n\n\n<h3>3.1.1 timeval\u7ed3\u6784\u4f53\uff0c\u4f4d\u4e8eC++\u7684 time.h\u6587\u4ef6\u4e2d<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>struct timeval{\nlong int tv_sec; \/\/ \u79d2\u6570\nlong int tv_usec; \/\/ \u5fae\u79d2\u6570\n}<\/code><\/pre>\n\n\n\n<p>\u5b83\u83b7\u5f97\u7684\u65f6\u95f4\u7cbe\u786e\u5230\u5fae\u79d2\uff081e-6 s)\u91cf\u7ea7\u3002\u5728\u4e00\u6bb5\u4ee3\u7801\u524d\u540e\u5206\u522b\u4f7f\u7528gettimeofday\u53ef\u4ee5\u8ba1\u7b97\u4ee3\u7801\u6267\u884c\u65f6\u95f4\uff1a<br>struct timeval tv_begin, tv_end;<br>gettimeofday(&amp;tv_begin, NULL);<br>gettimeofday(&amp; tv_end\uff0c NULL);<br>\u7136\u540e\u6211\u4eec\u901a\u8fc7\u524d\u540e\u65f6\u95f4\u8fdb\u884c\u76f8\u51cf\u5c31\u53ef\u4ee5\u83b7\u53d6\u8fd9\u6bb5\u65f6\u95f4\u4e86\u3002<\/p>\n\n\n\n<h3>3.1.2 \u521b\u5efa\u7ebf\u7a0b\u7684\u51fd\u6570 pthread_create()\uff0c\u4f4d\u4e8e\u5934\u6587\u4ef6pthread.h\u4e2d<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_create(pthread_t *restrict tidp,\n                   const pthread_attr_t *restrict attr,\n                   void *(*start_rtn)(void), \n                   void *restrict arg\n);<\/code><\/pre>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u6307\u5411\u7ebf\u7a0b\u6807\u8bc6\u7b26\u7684\u6307\u9488\u3002<br>\u7b2c\u4e8c\u4e2a\u53c2\u6570\u7528\u6765\u8bbe\u7f6e\u7ebf\u7a0b\u5c5e\u6027\u3002<br>\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u7ebf\u7a0b\u8fd0\u884c\u51fd\u6570\u7684\u8d77\u59cb\u5730\u5740\u3002<br>\u6700\u540e\u4e00\u4e2a\u53c2\u6570\u662f\u8fd0\u884c\u51fd\u6570\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n<h3>3.1.3 \u521b\u5efa\u7ebf\u7a0b\u7684\u51fd\u6570 pthread_join(pthread_t thread, void **value_ptr)\uff0c\u4f4d\u4e8e\u5934\u6587\u4ef6pthread.h\u4e2d<\/h3>\n\n\n\n<p>3.1.3.1\u53c2\u6570\u89e3\u91ca\uff1a<br>thread\uff1a\u7b49\u5f85\u9000\u51fa\u7ebf\u7a0b\u7684\u7ebf\u7a0b\u53f7\u3002<br>value_ptr\uff1a\u9000\u51fa\u7ebf\u7a0b\u7684\u8fd4\u56de\u503c<br>3.1.3.2\u4f5c\u7528<br>\u5728Linux\u4e2d\uff0c\u65b0\u5efa\u7684\u7ebf\u7a0b\u5e76\u4e0d\u662f\u5728\u539f\u5148\u7684\u8fdb\u7a0b\u4e2d\uff0c\u800c\u662f\u7cfb\u7edf\u901a\u8fc7\u4e00\u4e2a\u7cfb\u7edf\u8c03\u7528clone()\u3002\u8be5\u7cfb\u7edf\u8c03\u7528clone() copy\u4e86\u4e00\u4e2a\u548c\u539f\u5148\u8fdb\u7a0b\u5b8c\u5168\u4e00\u6837\u7684\u8fdb\u7a0b\uff0c\u5e76\u5728\u8fd9\u4e2a\u8fdb\u7a0b\u4e2d\u6267\u884c\u7ebf\u7a0b\u51fd\u6570\u3002\u4e0d\u8fc7\u8fd9\u4e2acopy\u8fc7\u7a0b\u548cfork\u4e0d\u4e00\u6837\u3002 copy\u540e\u7684\u8fdb\u7a0b\u548c\u539f\u5148\u7684\u8fdb\u7a0b\u5171\u4eab\u4e86\u6240\u6709\u7684\u53d8\u91cf\uff0c\u8fd0\u884c\u73af\u5883\u3002\u8fd9\u6837\uff0c\u539f\u5148\u8fdb\u7a0b\u4e2d\u7684\u53d8\u91cf\u53d8\u52a8\u5728copy\u540e\u7684\u8fdb\u7a0b\u4e2d\u4fbf\u80fd\u4f53\u73b0\u51fa\u6765\u3002<br>\u90a3\u4e48pthread_join\u51fd\u6570\u6709\u4ec0\u4e48\u7528\u5462\uff1fpthread_join\u4f7f\u4e00\u4e2a\u7ebf\u7a0b\u7b49\u5f85\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u7ed3\u675f\u3002\u4ee3\u7801\u4e2d\u5982\u679c\u6ca1\u6709pthread_join\u4e3b\u7ebf\u7a0b\u4f1a\u5f88\u5feb\u7ed3\u675f\u4ece\u800c\u4f7f\u6574\u4e2a\u8fdb\u7a0b\u7ed3\u675f\uff0c\u4ece\u800c\u4f7f\u521b\u5efa\u7684\u7ebf\u7a0b\u6ca1\u6709\u673a\u4f1a\u5f00\u59cb\u6267\u884c\u5c31\u7ed3\u675f\u4e86\u3002\u52a0\u5165pthread_join\u540e\uff0c\u4e3b\u7ebf\u7a0b\u4f1a\u4e00\u76f4\u7b49\u5f85\u76f4\u5230\u7b49\u5f85\u7684\u7ebf\u7a0b\u7ed3\u675f\u81ea\u5df1\u624d\u7ed3\u675f\uff0c\u4f7f\u521b\u5efa\u7684\u7ebf\u7a0b\u6709\u673a\u4f1a\u6267\u884c\u3002\u6240\u6709\u7ebf\u7a0b\u90fd\u6709\u4e00\u4e2a\u7ebf\u7a0b\u53f7\uff0c\u4e5f\u5c31\u662fThread ID\u3002\u5176\u7c7b\u578b\u4e3apthread_t\u3002\u901a\u8fc7\u8c03\u7528pthread_self()\u51fd\u6570\u53ef\u4ee5\u83b7\u5f97\u81ea\u8eab\u7684\u7ebf\u7a0b\u53f7\u3002<br>\u5982\u679c\u4f60\u7684\u4e3b\u7ebf\u7a0b\uff0c\u4e5f\u5c31\u662fmain\u51fd\u6570\u6267\u884c\u7684\u90a3\u4e2a\u7ebf\u7a0b\uff0c\u5728\u4f60\u5176\u4ed6\u7ebf\u7a0b\u9000\u51fa\u4e4b\u524d\u5c31\u5df2\u7ecf\u9000\u51fa\uff0c\u90a3\u4e48\u5e26\u6765\u7684bug\u5219\u4e0d\u53ef\u4f30\u91cf\u3002\u901a\u8fc7pthread_join\u51fd\u6570\u4f1a\u8ba9\u4e3b\u7ebf\u7a0b\u963b\u585e\uff0c\u76f4\u5230\u6240\u6709\u7ebf\u7a0b\u90fd\u5df2\u7ecf\u9000\u51fa\u3002<\/p>\n\n\n\n<h3>3.1.4void* task(void *args)<\/h3>\n\n\n\n<p>\u5b50\u7ebf\u7a0b\u8981\u6267\u884c\u7684\u4efb\u52a1\u51fd\u6570<\/p>\n\n\n\n<h3>3.1.5 int pthread()<\/h3>\n\n\n\n<p>\u521b\u5efa\u5b50\u7ebf\u7a0b\u5e76\u8ba9\u4e3b\u7ebf\u7a0b\u8fdb\u5165\u963b\u585e\u72b6\u6001<\/p>\n\n\n\n<h2>3.2\u672c\u7a0b\u5e8f\u7b97\u6cd5\uff1a<\/h2>\n\n\n\n<p>3.2.1\u9996\u5148\u7a0b\u5e8f\u4ece\u4e3b\u7ebf\u7a0bmain\u5f00\u59cb\u6267\u884c\u51fd\u6570\uff0c\u8bb0\u5f55\u5f00\u59cb\u65f6\u95f4tv_start.<br>3.2.2 main\u8c03\u7528pthread()\u51fd\u6570\u5f00\u59cb\u521b\u5efa\u5b50\u7ebf\u7a0b1\u548c\u5b50\u7ebf\u7a0b2<br>3.2.3\u5b50\u7ebf\u7a0b1\u548c\u5b50\u7ebf\u7a0b2\u5f00\u59cb\u6267\u884c\u5404\u81ea\u7684task(void* args)\u51fd\u6570\uff0c\u4e3b\u7ebf\u7a0bmain\u8fdb\u5165\u963b\u585e\u7b49\u5f85\u5b50\u7ebf\u7a0b1\u548c\u5b50\u7ebf\u7a0b2\u6267\u884c\u7ed3\u675f\u3002<br>3.2.4\u5b50\u7ebf\u7a0b1\u548c\u5b50\u7ebf\u7a0b2\u6267\u884c\u4efb\u52a1\u7ed3\u675f\uff0c\u4e3b\u7ebf\u7a0bmain\u6062\u590d\u6267\u884c\uff0c\u8bb0\u5f55\u5b50\u7ebf\u7a0b\u7ed3\u675f\u8fd0\u884c\u65f6\u95f4tv_end\u3002<br>3.2.5\u8ba1\u7b97\u5b50\u7ebf\u7a0b\u8fd0\u884c\u7684\u65f6\u95f4 tv_end - tv_start.<\/p>\n\n\n\n<h2>3.33.3\u7a0b\u5e8f\u6d41\u7a0b\u56fe\uff1a<\/h2>\n\n\n\n<h2>3.4\u672c\u7a0b\u5e8f\u7684\u57fa\u672c\u6570\u636e\u7ed3\u6784\uff1a<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021194604219.png#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021194604219.png#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n\n\n\n<h1>4.\u6e90\u7a0b\u5e8f<\/h1>\n\n\n\n<h2>\u6d4b\u8bd5\u591a\u7ebf\u7a0b\u8fd0\u884c\u7528\u65f6\uff1a<\/h2>\n\n\n\n<p>KernelCountTime.cpp\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;sys\/time.h>\n#include &lt;pthread.h>\n#include&lt;unistd.h>\n#include &lt;iostream>\nusing namespace std;\nvoid* task(void *args){\n   \/\/\u5012\u8ba1\u65f6\u4e94\u79d2\n  int sec = 5 ;\n  \/\/\u83b7\u53d6\u7ebf\u7a0b\u7684\u7f16\u53f7\n  int num =*(int*)args;\n  while(sec > 0){\n          \/\/\u4f11\u7720\u4e00\u79d2\u949f\u518d\u8fd0\u884c\n          sleep(1);\n          sec--;\n          printf(\"\u5b50\u7ebf%d\u7a0b\u5012\u8ba1\u65f6%d\u79d2\\n\",num,sec);\n  }\n\n\n}\n\nint pthread(){\n\/\/\u58f0\u660e\u4e00\u4e2apthread_t \u53d8\u91cf\u7ebf\u7a0b1\npthread_t id1;\n\/\/\u7ebf\u7a0b2\npthread_t id2;\n\/\/\u7ebf\u7a0b\u521b\u5efa\u7684\u7ed3\u679c\u6807\u5fd7\nint result;\nint num1 =1;\nint num2 =2;\n\/\/\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b1\uff0c\u8fd0\u884c\u4efb\u52a1\u51fd\u6570 task()\n result=pthread_create(&amp;id1,NULL,task,(int*)&amp;num1);\nif(result != 0){\nprintf(\"Create pthread error!\\n\");\nexit(1);\n}\n\/\/\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b2\uff0c\u8fd0\u884c\u4efb\u52a1\u51fd\u6570 task()\n result=pthread_create(&amp;id2,NULL,task,(int*)&amp;num2);\n if(result != 0){\n printf(\"Create pthread error!\\n\");\n exit(1);\n }\n\/\/\u6253\u5370\u4e3b\u7ebf\u7a0b\nfor(int i=0;i&lt;3;i++){\n        printf(\"This is the main process.\\n\");\n}\n\/\/\u7ebf\u7a0bid\u4e3aid\u7684\u5b50\u7ebf\u7a0b\u8fdb\u5165\u7b49\u5f85\npthread_join(id1,NULL);\npthread_join(id2,NULL);\nreturn 0;\n}\n\nmain(){\nstruct timeval tpstart,tpend;\n\/*\u7533\u8bf7struct timeval\u7684\u53d8\u91cf\uff0ctv_sec\u8fd4\u56de\u7684\u662f\u79d2\u6570\uff0ctv_usec\u8fd4\u56de\u7684\u662f\u5fae\u79d2\u6570*\/\nfloat timeuse;\n\/\/\u83b7\u53d6\u5f00\u59cb\u65f6\u7684\u65f6\u95f4\ngettimeofday(&amp;tpstart,NULL);\npthread();\n\/\/\u83b7\u53d6\u7ed3\u675f\u7684\u65f6\u95f4\ngettimeofday(&amp;tpend,NULL);\n\/\/\u8ba1\u7b97\u7ebf\u7a0b\u8fd0\u884c\u7684\u603b\u7684\u4f7f\u7528\u7684\u65f6\u95f4\ntimeuse=1000000*(tpend.tv_sec-tpstart.tv_sec)+ tpend.tv_usec-tpstart.tv_usec;\ntimeuse\/=1000000;\nprintf(\"Used Time:%f sec\\n\",timeuse);\nexit(0);\n}<\/code><\/pre>\n\n\n\n<h1>5.\u8fd0\u884c\u7ed3\u679c\u4e0e\u8fd0\u884c\u60c5\u51b5<\/h1>\n\n\n\n<p>\u5982\u679c\u624b\u52a8\u7f16\u8bd1KernelCountTime.cpp\u6587\u4ef6\u65f6\uff0c\u662f\u8fd9\u6837\u5b50\u7f16\u8bd1\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>g++ KernelCountTime.cpp  -o KernelCountTime<\/code><\/pre>\n\n\n\n<p><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021213951548.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u8fd9\u4e2a\u4f1a\u62a5\u9519\uff0c\u8fd9\u662f\u56e0\u4e3a\u5728Linux\u4e2d\u591a\u7ebf\u7a0b\u5305 pthread\u4f9d\u8d56\u5e93\u9700\u8981\u5728\u7f16\u8bd1\u7684\u65f6\u5019\u5728\u53c2\u6570\u5217\u8868\u4e2d\u663e\u5f0f\u4ece\u4f9d\u8d56\u5e93\u4e2d\u5bfc\u5165\u3002\u5177\u4f53\u53ef\u4ee5\u53c2\u8003\u535a\u5ba2\uff1a<a href=\"https:\/\/blog.csdn.net\/qq_20302045\/article\/details\/106637447\" target=\"_blank\"  rel=\"nofollow\" >https:\/\/blog.csdn.net\/qq_20302045\/article\/details\/106637447<\/a><\/p >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021213951548.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br>\u8fd9\u4e2a\u4f1a\u62a5\u9519\uff0c\u8fd9\u662f\u56e0\u4e3a\u5728Linux\u4e2d\u591a\u7ebf\u7a0b\u5305 pthread\u4f9d\u8d56\u5e93\u9700\u8981\u5728\u7f16\u8bd1\u7684\u65f6\u5019\u5728\u53c2\u6570\u5217\u8868\u4e2d\u663e\u5f0f\u4ece\u4f9d\u8d56\u5e93\u4e2d\u5bfc\u5165\u3002\u5177\u4f53\u53ef\u4ee5\u53c2\u8003\u535a\u5ba2\uff1a<a href=\"https:\/\/blog.csdn.net\/qq_20302045\/article\/details\/106637447\" target=\"_blank\"  rel=\"nofollow\" >https:\/\/blog.csdn.net\/qq_20302045\/article\/details\/106637447<\/a><\/p><\/noscript>\n\n\n\n<p><strong>\u6b63\u786e\u7684\u7f16\u8bd1\u547d\u4ee4\u4e3a\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>g++ KernelCountTime.cpp -lpthread -o KernelCountTime<\/code><\/pre>\n\n\n\n<h1>6.\u8c03\u8bd5\u8bb0\u5f55<\/h1>\n\n\n\n<p>\u6ce8\u610f\uff0c\u7f16\u8bd1KernelCountTime.cpp\u7684\u662f\u65f6\u5019\u5fc5\u987b\u52a0\u4e0a\"-lpthread\"\u8fd9\u4e2a\u53c2\u6570\uff0c\u5426\u5219\u4f1a\u53d1\u751f\u7f16\u8bd1\u9519\u8bef\uff01<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>g++ KernelCountTime.cpp -lpthread -o KernelCountTime<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021213708275.png#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021213708275.png#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201021214841583.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201021214841583.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n\n\n\n<h1>7.\u81ea\u6211\u8bc4\u6790\u548c\u603b\u7ed3<\/h1>\n\n\n\n<p>\u5728\u8bfe\u7a0b\u8bbe\u8ba1\u5f00\u59cb\u7684\u65f6\u5019\uff0c\u6211\u5bf9\u8fd9\u4e2a\u5b9e\u9a8c\u51e0\u4e4e\u90fd\u4e0d\u4e86\u89e3\uff0c\u5bf9\u8fd9\u4e2a\u5185\u6838\u7684\u6982\u5ff5\u4e5f\u4e0d\u6e05\u695a\uff0c\u6240\u4ee5\u6211\u9996\u5148\u53bb\u67e5\u9605\u8d44\u6599\uff0c\u628a\u6574\u4e2a\u6982\u5ff5\u641e\u61c2.\u6211\u9996\u5148\u67e5\u770b\u4e86\u5173\u4e8eLinux\u5185\u6838\u7684\u6982\u8ff0\u6587\u732e\uff0c\u7136\u540e\u518d\u53bb\u4e86\u89e3\u5185\u6838\u5b9a\u65f6\u5668\u7684\u539f\u7406\u548c\u8fd0\u884c\u673a\u5236\uff0c\u5e76\u4e14\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u53c2\u8003\u4e86\u5927\u91cf\u7684\u535a\u5ba2\u8d44\u6599\uff0c\u6df1\u5165\u4e86\u89e3\u4e86Linux\u591a\u7ebf\u7a0bpthread\u7684\u57fa\u672c\u7ed3\u6784\u548c\u6e90\u7801\uff0c\u641e\u61c2\u5b83\u4eec\u7684\u8fd0\u884c\u673a\u5236\uff0c\u5e76\u4e14\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u5b66\u4e60C++\u7684Signal\u548c\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u51fd\u6570\uff0c\u66f4\u52a0\u6df1\u5165\u4e86\u89e3\u4e86Linux\u7684\u4fe1\u53f7\u673a\u5236\u548c\u591a\u7ebf\u7a0b\u8fd0\u884c\u673a\u5236\u3002\u5f53\u7136\uff0c\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8e\u5bf9\u7cfb\u7edf\u5185\u6838\u6982\u5ff5\u7684\u4e0d\u719f\u6089\u4ee5\u53ca\u6240\u5b66\u7684\u77e5\u8bc6\u6709\u9650\uff0c\u9047\u5230\u4e86\u5f88\u591a\u7684\u56f0\u96be\u548cbug\uff0c\u7279\u522b\u662f\u5728\u6d4b\u8bd5\u591a\u7ebf\u7a0b\u548c\u90a3\u4e2a\u4fe1\u53f7\u673a\u5236\u65f6\uff0c\u7531\u4e8e\u4e4b\u524d\u6ca1\u6709\u5b66\u8fc7C++\u7684\u8fd9\u4e9b\u7f16\u7a0b\uff0c\u5bfc\u81f4\u5728\u8fdb\u884c\u6d4b\u8bd5\u7684\u65f6\u5019\u82b1\u8d39\u4e86\u5927\u91cf\u7684\u65f6\u95f4\u3002\u5e76\u4e14\u5728\u67e5\u770bc++\u5934\u6587\u4ef6time.h\u7684\u8fc7\u7a0b\u4e2d\uff0c\u66f4\u52a0\u4e86\u89e3\u5230\u4e86\u83b7\u53d6\u7cfb\u7edf\u65f6\u95f4\u51fd\u6570\uff0c\u5e76\u5c06\u4e4b\u7528\u4e8e\u6211\u4eec\u8ba1\u7b97\u591a\u7ebf\u7a0b\u8fd0\u884c\u65f6\u7684\u65f6\u95f4\u8ba1\u6570\u5668\uff0c\u4ece\u800c\u5230\u5230\u6211\u4eec\u672c\u6b21\u5b9e\u8df5\u7684\u76ee\u7684\u3002<br>\u603b\u7684\u6765\u8bf4\uff0cLinux\u7cfb\u7edf\u5185\u6838\u662f\u4e00\u4e2a\u5f88\u9ad8\u6df1\u7684\u4e1c\u897f\uff0c\u4ee5\u6211\u76ee\u524d\u7684\u6c34\u5e73\u53ea\u80fd\u5b66\u5230\u4e00\u70b9\u70b9\u7684\u76ae\u6bdb\uff0c\u5e76\u5c06\u4e4b\u7528\u4e8e\u8bfe\u5185\u5b9e\u8df5\u4e2d\u3002\u5f53\u7136\uff0c\u5b9e\u8df5\u7684\u6700\u4e3b\u8981\u76ee\u7684\u662f\u8981\u5b66\u5230\u65b0\u7684\u77e5\u8bc6\uff0c\u5e76\u4e14\u5c06\u5b66\u5230\u7684\u77e5\u8bc6\u5e94\u7528\u5230\u6211\u4eec\u7684\u5b9e\u8df5\u4e2d\u53bb\uff0c\u8fd9\u6837\u76f8\u8f85\u76f8\u6210\uff0c\u624d\u80fd\u8ba9\u6211\u4eec\u7684\u77e5\u8bc6\u66f4\u52a0\u5145\u5b9e\u3002<\/p>\n\n\n\n<h1>8.\u53c2\u8003\u6587\u732e<\/h1>\n\n\n\n<p>[1]\u300aOperating System Concepts(Sixth Edition)\uff08\u64cd\u4f5c\u7cfb\u7edf\u6982\u5ff5\uff09\u5f71\u5370\u7248\u300b Abraham Silberschatz\u7f16 \u9ad8\u7b49\u6559\u80b2\u51fa\u7248\u793e 2003\u5e74<br>[2]\u300a\u64cd\u4f5c\u7cfb\u7edf\u539f\u7406\u4e0e\u8bbe\u8ba1\u300b<br>[3]\u300a\u64cd\u4f5c\u7cfb\u7edf\u539f\u7406(\u7b2c\u4e09\u7248)\u300b \u5e9e\u4e3d\u840d \u534e\u4e2d\u79d1\u6280\u5927\u5b66\u51fa\u7248\u793e2000\u5e74<br>[4]Linux\u6e90\u7801 https:\/\/github.com\/LJF2402901363\/linux.git<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u8bbe\u8ba1\u9898\u76ee\u4e0e\u8981\u6c42 1.1\u8bbe\u8ba1\u9898\u76ee\uff1a\u5185\u6838\u5b9a\u65f6\u5668 1.2\u8bbe\u8ba1\u8981\u6c42\uff1a \u901a\u8fc7\u7814\u7a76\u5185\u6838\u7684\u65f6\u95f4\u7ba1\u7406\u7b97\u6cd5\uff0c\u5b66\u4e60\u5185\u6838\u6e90\u4ee3\u7801\uff1b\u7136\u540e\u5e94\u7528\u8fd9\u4e9b\u77e5\u8bc6\u5e76\u4e14 &#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[72],"tags":[75,74,73,76,77],"_links":{"self":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/302"}],"collection":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/comments?post=302"}],"version-history":[{"count":3,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/302\/revisions"}],"predecessor-version":[{"id":305,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/302\/revisions\/305"}],"wp:attachment":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/media?parent=302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/categories?post=302"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/tags?post=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}