{"id":1507,"date":"2018-07-13T11:25:16","date_gmt":"2018-07-13T03:25:16","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1507"},"modified":"2018-07-13T11:26:59","modified_gmt":"2018-07-13T03:26:59","slug":"%e3%80%90linux%e5%87%bd%e6%95%b0%e3%80%91signal-%e5%87%bd%e6%95%b0%e8%af%a6%e7%bb%86%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1507","title":{"rendered":"\u3010Linux\u51fd\u6570\u3011Signal ()\u51fd\u6570\u8be6\u7ec6\u4ecb\u7ecd"},"content":{"rendered":"<div class=\"article-title-box\">\n<h1 class=\"title-article\">\u3010Linux\u51fd\u6570\u3011Signal ()\u51fd\u6570\u8be6\u7ec6\u4ecb\u7ecd<\/h1>\n<\/div>\n<div class=\"article-info-box\">\n<div class=\"article-bar-top d-flex\">\n<p><span class=\"time\">2016\u5e7406\u670821\u65e5 19:49:56<\/span><\/p>\n<div class=\"float-right\"><span class=\"read-count\">\u9605\u8bfb\u6570\uff1a22940<\/span><\/div>\n<\/div>\n<\/div>\n<article>\n<div id=\"article_content\" class=\"article_content clearfix csdn-tracking-statistics\" data-pid=\"blog\" data-mod=\"popu_307\" data-dsm=\"post\">\n<div class=\"markdown_views\">\n<h1 id=\"1-\u529f\u80fd\"><a name=\"t0\"><\/a>1. \u529f\u80fd<\/h1>\n<p>\u8bbe\u7f6e\u67d0\u4e00\u4fe1\u53f7\u7684\u5bf9\u5e94\u52a8\u4f5c<\/p>\n<h1 id=\"2-\u58f0\u660e\"><a name=\"t1\"><\/a>2. \u58f0\u660e<\/h1>\n<pre class=\"prettyprint\"><code class=\"hljs vala has-numbering\"><span class=\"hljs-preprocessor\">#include &lt;signal.h&gt;<\/span>\r\ntypedef <span class=\"hljs-keyword\">void<\/span> (*sighandler_t)(<span class=\"hljs-keyword\">int<\/span>);\r\nsighandler_t <span class=\"hljs-keyword\">signal<\/span>(<span class=\"hljs-keyword\">int<\/span> signum, sighandler_t handler);<\/code><\/pre>\n<h1 id=\"3-\u53c2\u6570\u8bf4\u660e\"><a name=\"t2\"><\/a>3. \u53c2\u6570\u8bf4\u660e<\/h1>\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570signum\uff1a\u6307\u660e\u4e86\u6240\u8981\u5904\u7406\u7684\u4fe1\u53f7\u7c7b\u578b\uff0c\u5b83\u53ef\u4ee5\u53d6\u9664\u4e86SIGKILL\u548cSIGSTOP\u5916\u7684\u4efb\u4f55\u4e00\u79cd\u4fe1\u53f7\u3002<br \/>\n\u7b2c\u4e8c\u4e2a\u53c2\u6570handler\uff1a\u63cf\u8ff0\u4e86\u4e0e\u4fe1\u53f7\u5173\u8054\u7684\u52a8\u4f5c\uff0c\u5b83\u53ef\u4ee5\u53d6\u4ee5\u4e0b\u4e09\u79cd\u503c\uff1a<\/p>\n<blockquote><p>\uff081\uff09SIG_IGN<\/p><\/blockquote>\n<p>\u8fd9\u4e2a\u7b26\u53f7\u8868\u793a\u5ffd\u7565\u8be5\u4fe1\u53f7\u3002<br \/>\n\u4f8b\u5982\uff1a<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs vala has-numbering\"><span class=\"hljs-preprocessor\">#include &lt;stdio.h&gt;<\/span>\r\n<span class=\"hljs-preprocessor\">#include &lt;signal.h&gt;<\/span>\r\n<span class=\"hljs-keyword\">int<\/span> main(<span class=\"hljs-keyword\">int<\/span> argc, <span class=\"hljs-keyword\">char<\/span> *argv[]) {\r\n    <span class=\"hljs-keyword\">signal<\/span>(SIGINT, SIG_IGN);\r\n    <span class=\"hljs-keyword\">while<\/span>(<span class=\"hljs-number\">1<\/span>);\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}<\/code><\/pre>\n<p>SIGINT\u4fe1\u53f7\u4ee3\u8868\u7531InterruptKey\u4ea7\u751f\uff0c\u901a\u5e38\u662fCTRL +C \u6216\u8005\u662fDELETE \u3002\u6267\u884c\u4e0a\u8ff0\u4ee3\u7801\u65f6\uff0c\u6309\u4e0bCTRL + C\u7a0b\u5e8f\u6ca1\u6709\u53cd\u5e94\u3002\u8fd9\u5c31\u5bf9\u4e86\uff0c\u5982\u679c\u6211\u4eec\u60f3\u7ed3\u675f\u8be5\u7a0b\u5e8f\u53ef\u4ee5\u6309\u4e0bCTRL +\\\u6765\u7ed3\u675f\uff0c\u5f53\u6211\u4eec\u6309\u4e0bCTRL +\\\u7ec4\u5408\u952e\u65f6\uff0c\u4ea7\u751f\u4e86SIGQUIT\u4fe1\u53f7\uff0c\u6b64\u4fe1\u53f7\u5e76\u6ca1\u6709\u88ab\u5ffd\u7565\u3002<\/p>\n<blockquote><p>\uff082\uff09SIG_DFL<\/p><\/blockquote>\n<p>\u8fd9\u4e2a\u7b26\u53f7\u8868\u793a\u6062\u590d\u5bf9\u4fe1\u53f7\u7684\u7cfb\u7edf\u9ed8\u8ba4\u5904\u7406\u3002\u4e0d\u5199\u6b64\u5904\u7406\u51fd\u6570\u9ed8\u8ba4\u4e5f\u662f\u6267\u884c\u7cfb\u7edf\u9ed8\u8ba4\u64cd\u4f5c\u3002<br \/>\n\u4f8b\u5982<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs vala has-numbering\"><span class=\"hljs-preprocessor\">#include &lt;stdio.h&gt;<\/span>\r\n<span class=\"hljs-preprocessor\">#include &lt;signal.h&gt;<\/span>\r\n<span class=\"hljs-keyword\">int<\/span> main(<span class=\"hljs-keyword\">int<\/span> argc, <span class=\"hljs-keyword\">char<\/span> *argv[]) {\r\n    <span class=\"hljs-keyword\">signal<\/span>(SIGINT, SIG_DFL);\r\n    <span class=\"hljs-keyword\">while<\/span>(<span class=\"hljs-number\">1<\/span>);\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}<\/code><\/pre>\n<p>\u8fd9\u65f6\u5c31\u53ef\u4ee5\u6309\u4e0bCTRL +C \u6765\u7ec8\u6b62\u8be5\u8fdb\u7a0b\u4e86\u3002\u628asignal(SIGINT, SIG_DFL);\u8fd9\u53e5\u53bb\u6389\uff0c\u6548\u679c\u662f\u4e00\u6837\u7684<\/p>\n<blockquote><p>\uff083\uff09sighandler_t\u7c7b\u578b\u7684\u51fd\u6570\u6307\u9488<\/p>\n<p>\u4e0a\u9762\u63d0\u5230\u4e86sighandler_t\u7c7b\u578b\u58f0\u660e\uff1a<\/p><\/blockquote>\n<pre class=\"prettyprint\"><code class=\"hljs vala has-numbering\">typedef <span class=\"hljs-keyword\">void<\/span> (*sighandler_t)(<span class=\"hljs-keyword\">int<\/span>);\r\nsighandler_t <span class=\"hljs-keyword\">signal<\/span>(<span class=\"hljs-keyword\">int<\/span> signum, sighandler_t handler);<\/code><\/pre>\n<p>\u6b64\u51fd\u6570\u5fc5\u987b\u5728signal()\u88ab\u8c03\u7528\u524d\u7533\u660e\uff0chandler\u4e2d\u4e3a\u8fd9\u4e2a\u51fd\u6570\u7684\u540d\u5b57\u3002\u5f53\u63a5\u6536\u5230\u4e00\u4e2a\u7c7b\u578b\u4e3asig\u7684\u4fe1\u53f7\u65f6\uff0c\u5c31\u6267\u884chandler \u6240\u6307\u5b9a\u7684\u51fd\u6570\u3002\uff08int\uff09signum\u662f\u4f20\u9012\u7ed9\u5b83\u7684\u552f\u4e00\u53c2\u6570\u3002\u6267\u884c\u4e86signal()\u8c03\u7528\u540e\uff0c\u8fdb\u7a0b\u53ea\u8981\u63a5\u6536\u5230\u7c7b\u578b\u4e3asig\u7684\u4fe1\u53f7\uff0c\u4e0d\u7ba1\u5176\u6b63\u5728\u6267\u884c\u7a0b\u5e8f\u7684\u54ea\u4e00\u90e8\u5206\uff0c\u5c31\u7acb\u5373\u6267\u884cfunc()\u51fd\u6570\u3002\u5f53func()\u51fd\u6570\u6267\u884c\u7ed3\u675f\u540e\uff0c\u63a7\u5236\u6743\u8fd4\u56de\u8fdb\u7a0b\u88ab\u4e2d\u65ad\u7684\u90a3\u4e00\u70b9\u7ee7\u7eed\u6267\u884c\u3002<br \/>\n\u4f8b\u5982<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs cpp has-numbering\"><span class=\"hljs-preprocessor\">#include &lt;stdio.h&gt;<\/span>\r\n<span class=\"hljs-preprocessor\">#include &lt;signal.h&gt;<\/span>\r\n<span class=\"hljs-keyword\">typedef<\/span> <span class=\"hljs-keyword\">void<\/span> (*signal_handler)(<span class=\"hljs-keyword\">int<\/span>);\r\n\r\n<span class=\"hljs-keyword\">void<\/span> signal_handler_fun(<span class=\"hljs-keyword\">int<\/span> signum) {\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"catch signal %d\\n\"<\/span>, signum);\r\n}\r\n\r\n<span class=\"hljs-keyword\">int<\/span> main(<span class=\"hljs-keyword\">int<\/span> argc, <span class=\"hljs-keyword\">char<\/span> *argv[]) {\r\n    signal(SIGINT, signal_hander_fun);\r\n    <span class=\"hljs-keyword\">while<\/span>(<span class=\"hljs-number\">1<\/span>);\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}<\/code><\/pre>\n<p>\u6267\u884c\u65f6\uff0c\u5f53\u6211\u4eec\u6309\u4e0bCTRL +C\u952e\u65f6\uff0c\u4f1a\u6267\u884c\u6211\u4eec\u5b9a\u4e49\u7684\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u3002<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs vala has-numbering\"><span class=\"hljs-keyword\">catch<\/span> <span class=\"hljs-keyword\">signal<\/span> <span class=\"hljs-number\">2<\/span>\r\n<span class=\"hljs-keyword\">catch<\/span> <span class=\"hljs-keyword\">signal<\/span> <span class=\"hljs-number\">2<\/span>\r\n<span class=\"hljs-keyword\">catch<\/span> <span class=\"hljs-keyword\">signal<\/span> <span class=\"hljs-number\">2<\/span>\r\n<span class=\"hljs-keyword\">catch<\/span> <span class=\"hljs-keyword\">signal<\/span> <span class=\"hljs-number\">2<\/span>\r\n=\u9000\u51fa<\/code><\/pre>\n<p>\u6bcf\u5f53\u6211\u4eec\u6309\u4e0bCTRL +C\u952e\u65f6\u4f1a\u6253\u5370\u8be5\u4fe1\u53f7\u7684number.\u53ef\u4ee5\u770b\u51fa\u8be5\u4fe1\u53f7\u7684num\u4e3a2\u3002\u8981\u60f3\u9000\u51fa\u53ef\u4ee5\u6309\u4e0bCTRL +\\ \u6253\u5370\u7ed3\u679c\u4e3a\u6700\u540e\u4e00\u884c\u3002<\/p>\n<h1 id=\"4-\u51fd\u6570\u8bf4\u660e\"><a name=\"t3\"><\/a>4. \u51fd\u6570\u8bf4\u660e<\/h1>\n<p>signal()\u4f1a\u4f9d\u53c2\u6570signum \u6307\u5b9a\u7684\u4fe1\u53f7\u7f16\u53f7\u6765\u8bbe\u7f6e\u8be5\u4fe1\u53f7\u7684\u5904\u7406\u51fd\u6570\u3002\u5f53\u6307\u5b9a\u7684\u4fe1\u53f7\u5230\u8fbe\u65f6\u5c31\u4f1a\u8df3\u8f6c\u5230\u53c2\u6570handler\u6307\u5b9a\u7684\u51fd\u6570\u6267\u884c\u3002<\/p>\n<p>\u5f53\u4e00\u4e2a\u4fe1\u53f7\u7684\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u6267\u884c\u65f6\uff0c\u5982\u679c\u8fdb\u7a0b\u53c8\u63a5\u6536\u5230\u4e86\u8be5\u4fe1\u53f7\uff0c\u8be5\u4fe1\u53f7\u4f1a\u81ea\u52a8\u88ab\u50a8\u5b58\u800c\u4e0d\u4f1a\u4e2d\u65ad\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u7684\u6267\u884c\uff0c\u76f4\u5230\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u518d\u91cd\u65b0\u8c03\u7528\u76f8\u5e94\u7684\u5904\u7406\u51fd\u6570\u3002\u4f46\u662f\u5982\u679c\u5728\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u6267\u884c\u65f6\u8fdb\u7a0b\u6536\u5230\u4e86\u5176\u5b83\u7c7b\u578b\u7684\u4fe1\u53f7\uff0c\u8be5\u51fd\u6570\u7684\u6267\u884c\u5c31\u4f1a\u88ab\u4e2d\u65ad\u3002<\/p>\n<h1 id=\"5-\u8fd4\u56de\u503c\"><a name=\"t4\"><\/a>5. \u8fd4\u56de\u503c<\/h1>\n<p>\u8fd4\u56de\u5148\u524d\u7684\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u6307\u9488\uff0c\u5982\u679c\u6709\u9519\u8bef\u5219\u8fd4\u56deSIG_ERR(-1)\u3002<\/p>\n<h1 id=\"6-\u4e00\u4e9b\u5e38\u7528\u7684signal\"><a name=\"t5\"><\/a>6. \u4e00\u4e9b\u5e38\u7528\u7684Signal \uff1a<\/h1>\n<table>\n<thead>\n<tr>\n<th>Signal<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SIGABRT<\/td>\n<td>\u7531\u8c03\u7528abort\u51fd\u6570\u4ea7\u751f\uff0c\u8fdb\u7a0b\u975e\u6b63\u5e38\u9000\u51fa<\/td>\n<\/tr>\n<tr>\n<td>SIGALRM<\/td>\n<td>\u7528alarm\u51fd\u6570\u8bbe\u7f6e\u7684timer\u8d85\u65f6\u6216setitimer\u51fd\u6570\u8bbe\u7f6e\u7684interval timer\u8d85\u65f6<\/td>\n<\/tr>\n<tr>\n<td>SIGBUS<\/td>\n<td>\u67d0\u79cd\u7279\u5b9a\u7684\u786c\u4ef6\u5f02\u5e38\uff0c\u901a\u5e38\u7531\u5185\u5b58\u8bbf\u95ee\u5f15\u8d77<\/td>\n<\/tr>\n<tr>\n<td>SIGCANCEL<\/td>\n<td>\u7531Solaris Thread Library\u5185\u90e8\u4f7f\u7528\uff0c\u901a\u5e38\u4e0d\u4f1a\u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td>SIGCHLD<\/td>\n<td>\u8fdb\u7a0bTerminate\u6216Stop\u7684\u65f6\u5019\uff0cSIGCHLD\u4f1a\u53d1\u9001\u7ed9\u5b83\u7684\u7236\u8fdb\u7a0b\u3002\u7f3a\u7701\u60c5\u51b5\u4e0b\u8be5Signal\u4f1a\u88ab\u5ffd\u7565<\/td>\n<\/tr>\n<tr>\n<td>SIGCONT<\/td>\n<td>\u5f53\u88abstop\u7684\u8fdb\u7a0b\u6062\u590d\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u81ea\u52a8\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGEMT<\/td>\n<td>\u548c\u5b9e\u73b0\u76f8\u5173\u7684\u786c\u4ef6\u5f02\u5e38<\/td>\n<\/tr>\n<tr>\n<td>SIGFPE<\/td>\n<td>\u6570\u5b66\u76f8\u5173\u7684\u5f02\u5e38\uff0c\u5982\u88ab0\u9664\uff0c\u6d6e\u70b9\u6ea2\u51fa\uff0c\u7b49\u7b49<\/td>\n<\/tr>\n<tr>\n<td>SIGFREEZE<\/td>\n<td>Solaris\u4e13\u7528\uff0cHiberate\u6216\u8005Suspended\u65f6\u5019\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGHUP<\/td>\n<td>\u53d1\u9001\u7ed9\u5177\u6709Terminal\u7684Controlling Process\uff0c\u5f53terminal \u88abdisconnect\u65f6\u5019\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGILL<\/td>\n<td>\u975e\u6cd5\u6307\u4ee4\u5f02\u5e38<\/td>\n<\/tr>\n<tr>\n<td>SIGINFO<\/td>\n<td>BSD signal\u3002\u7531Status Key\u4ea7\u751f\uff0c\u901a\u5e38\u662fCTRL+T\u3002\u53d1\u9001\u7ed9\u6240\u6709Foreground Group\u7684\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>SIGINT<\/td>\n<td>\u7531Interrupt Key\u4ea7\u751f\uff0c\u901a\u5e38\u662fCTRL+C\u6216\u8005DELETE\u3002\u53d1\u9001\u7ed9\u6240\u6709ForeGround Group\u7684\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>SIGIO<\/td>\n<td>\u5f02\u6b65IO\u4e8b\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>SIGIOT<\/td>\n<td>\u5b9e\u73b0\u76f8\u5173\u7684\u786c\u4ef6\u5f02\u5e38\uff0c\u4e00\u822c\u5bf9\u5e94SIGABRT<\/td>\n<\/tr>\n<tr>\n<td>SIGKILL<\/td>\n<td>\u65e0\u6cd5\u5904\u7406\u548c\u5ffd\u7565\u3002\u4e2d\u6b62\u67d0\u4e2a\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>SIGLWP<\/td>\n<td>\u7531Solaris Thread Libray\u5185\u90e8\u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td>SIGPIPE<\/td>\n<td>\u5728reader\u4e2d\u6b62\u4e4b\u540e\u5199Pipe\u7684\u65f6\u5019\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGPOLL<\/td>\n<td>\u5f53\u67d0\u4e2a\u4e8b\u4ef6\u53d1\u9001\u7ed9Pollable Device\u7684\u65f6\u5019\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGPROF<\/td>\n<td>Setitimer\u6307\u5b9a\u7684Profiling Interval Timer\u6240\u4ea7\u751f<\/td>\n<\/tr>\n<tr>\n<td>SIGPWR<\/td>\n<td>\u548c\u7cfb\u7edf\u76f8\u5173\u3002\u548cUPS\u76f8\u5173\u3002<\/td>\n<\/tr>\n<tr>\n<td>SIGQUIT<\/td>\n<td>\u8f93\u5165Quit Key\u7684\u65f6\u5019\uff08CTRL+\\\uff09\u53d1\u9001\u7ed9\u6240\u6709Foreground Group\u7684\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>SIGSEGV<\/td>\n<td>\u975e\u6cd5\u5185\u5b58\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>SIGSTKFLT<\/td>\n<td>Linux\u4e13\u7528\uff0c\u6570\u5b66\u534f\u5904\u7406\u5668\u7684\u6808\u5f02\u5e38<\/td>\n<\/tr>\n<tr>\n<td>SIGSTOP<\/td>\n<td>\u4e2d\u6b62\u8fdb\u7a0b\u3002\u65e0\u6cd5\u5904\u7406\u548c\u5ffd\u7565\u3002<\/td>\n<\/tr>\n<tr>\n<td>SIGSYS<\/td>\n<td>\u975e\u6cd5\u7cfb\u7edf\u8c03\u7528<\/td>\n<\/tr>\n<tr>\n<td>SIGTERM<\/td>\n<td>\u8bf7\u6c42\u4e2d\u6b62\u8fdb\u7a0b\uff0ckill\u547d\u4ee4\u7f3a\u7701\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGTHAW<\/td>\n<td>Solaris\u4e13\u7528\uff0c\u4eceSuspend\u6062\u590d\u65f6\u5019\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGTRAP<\/td>\n<td>\u5b9e\u73b0\u76f8\u5173\u7684\u786c\u4ef6\u5f02\u5e38\u3002\u4e00\u822c\u662f\u8c03\u8bd5\u5f02\u5e38<\/td>\n<\/tr>\n<tr>\n<td>SIGTSTP<\/td>\n<td>Suspend Key\uff0c\u4e00\u822c\u662fCtrl+Z\u3002\u53d1\u9001\u7ed9\u6240\u6709Foreground Group\u7684\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>SIGTTIN<\/td>\n<td>\u5f53Background Group\u7684\u8fdb\u7a0b\u5c1d\u8bd5\u8bfb\u53d6Terminal\u7684\u65f6\u5019\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGTTOU<\/td>\n<td>\u5f53Background Group\u7684\u8fdb\u7a0b\u5c1d\u8bd5\u5199Terminal\u7684\u65f6\u5019\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGURG<\/td>\n<td>\u5f53out-of-band data\u63a5\u6536\u7684\u65f6\u5019\u53ef\u80fd\u53d1\u9001<\/td>\n<\/tr>\n<tr>\n<td>SIGUSR1<\/td>\n<td>\u7528\u6237\u81ea\u5b9a\u4e49signal 1<\/td>\n<\/tr>\n<tr>\n<td>SIGUSR2<\/td>\n<td>\u7528\u6237\u81ea\u5b9a\u4e49signal 2<\/td>\n<\/tr>\n<tr>\n<td>SIGVTALRM<\/td>\n<td>setitimer\u51fd\u6570\u8bbe\u7f6e\u7684Virtual Interval Timer\u8d85\u65f6\u7684\u65f6\u5019<\/td>\n<\/tr>\n<tr>\n<td>SIGWAITING<\/td>\n<td>Solaris Thread Library\u5185\u90e8\u5b9e\u73b0\u4e13\u7528<\/td>\n<\/tr>\n<tr>\n<td>SIGWINCH<\/td>\n<td>\u5f53Terminal\u7684\u7a97\u53e3\u5927\u5c0f\u6539\u53d8\u7684\u65f6\u5019\uff0c\u53d1\u9001\u7ed9Foreground Group\u7684\u6240\u6709\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>SIGXCPU<\/td>\n<td>\u5f53CPU\u65f6\u95f4\u9650\u5236\u8d85\u65f6\u7684\u65f6\u5019<\/td>\n<\/tr>\n<tr>\n<td>SIGXFSZ<\/td>\n<td>\u8fdb\u7a0b\u8d85\u8fc7\u6587\u4ef6\u5927\u5c0f\u9650\u5236<\/td>\n<\/tr>\n<tr>\n<td>SIGXRES<\/td>\n<td>Solaris\u4e13\u7528\uff0c\u8fdb\u7a0b\u8d85\u8fc7\u8d44\u6e90\u9650\u5236\u7684\u65f6\u5019\u53d1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3010\u53c2\u8003\uff1a<a href=\"http:\/\/www.360doc.com\/content\/12\/0927\/10\/7534118_238403050.shtml\" target=\"_blank\" rel=\"nofollow noopener\">http:\/\/www.360doc.com\/content\/12\/0927\/10\/7534118_238403050.shtml<\/a>\uff0c \u6709\u6539\u52a8\u3011<\/p>\n<\/div>\n<\/div>\n<\/article>\n<div class=\"article-bar-bottom\">\n<div class=\"article-copyright\">\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3a\u535a\u4e3b\u539f\u521b\u6587\u7ae0\uff0c\u672a\u7ecf\u535a\u4e3b\u5141\u8bb8\u4e0d\u5f97\u8f6c\u8f7d\u3002 https:\/\/blog.csdn.net\/yockie\/article\/details\/51729774<\/div>\n<div class=\"tags-box artic-tag-box\"><span class=\"label\">\u6587\u7ae0\u6807\u7b7e\uff1a<\/span>\u00a0<a class=\"tag-link\" href=\"http:\/\/so.csdn.net\/so\/search\/s.do?q=linux&amp;t=blog\" target=\"_blank\" rel=\"noopener\">linux<\/a><a class=\"tag-link\" href=\"http:\/\/so.csdn.net\/so\/search\/s.do?q=signal&amp;t=blog\" target=\"_blank\" rel=\"noopener\">signal<\/a><\/div>\n<div class=\"tags-box\"><span class=\"label\">\u4e2a\u4eba\u5206\u7c7b\uff1a<\/span>\u00a0<a class=\"tag-link\" href=\"https:\/\/blog.csdn.net\/yockie\/article\/category\/1255805\" target=\"_blank\" rel=\"noopener\">Linux<\/a><\/div>\n<div class=\"tags-box hot-word\"><span class=\"label\">\u76f8\u5173\u70ed\u8bcd\uff1a<\/span>\u00a0<a class=\"tag-link\" href=\"https:\/\/blog.csdn.net\/taina2008\/article\/details\/1801863\" target=\"_blank\" rel=\"noopener\">linux\u51fd\u6570<\/a>\u00a0<a class=\"tag-link\" href=\"https:\/\/blog.csdn.net\/yuan892173701\/article\/details\/8687590\" target=\"_blank\" rel=\"noopener\">linux\u51fd\u6570\u8868<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u3010Linux\u51fd\u6570\u3011Signal ()\u51fd\u6570<\/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":[117],"class_list":["post-1507","post","type-post","status-publish","format-standard","hentry","tag-01-linux"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1507","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=1507"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1507\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=1507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=1507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=1507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}