{"id":39231,"date":"2025-05-23T06:16:34","date_gmt":"2025-05-22T22:16:34","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/39231.html"},"modified":"2025-05-23T06:16:34","modified_gmt":"2025-05-22T22:16:34","slug":"linux%e7%ac%94%e8%ae%b0-%e4%bf%a1%e5%8f%b7%e4%b8%8a","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/39231.html","title":{"rendered":"Linux\u7b14\u8bb0---\u4fe1\u53f7(\u4e0a)"},"content":{"rendered":"<h2>1. \u4fe1\u53f7\u7684\u6982\u5ff5<\/h2>\n<p><span style=\"background-color:#a2e043\">Linux\u4e0b\u7684\u4fe1\u53f7\u673a\u5236\u662f\u4e00\u79cd\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff08;IPC&#xff09;\u7684\u65b9\u5f0f&#xff0c;\u7528\u4e8e\u5728\u4e0d\u540c\u8fdb\u7a0b\u4e4b\u95f4\u4f20\u9012\u4fe1\u606f\u3002<\/span><\/p>\n<p>\u4fe1\u53f7\u662f\u4e00\u79cd\u5f02\u6b65\u7684\u4fe1\u606f\u4f20\u9012\u65b9\u5f0f&#xff0c;\u8fd9\u610f\u5473\u7740\u53d1\u9001\u4fe1\u53f7\u7684\u8fdb\u7a0b\u53ea\u53d1\u9001\u7531\u4fe1\u53f7\u4f5c\u4e3a\u8f7d\u4f53\u7684\u547d\u4ee4&#xff0c;\u800c\u5e76\u4e0d\u5173\u5fc3\u63a5\u6536\u4fe1\u53f7\u7684\u8fdb\u7a0b\u5982\u4f55\u5904\u7f6e\u8fd9\u4e2a\u547d\u4ee4&#xff08;\u505a\u4e0d\u505a\u3001\u4f55\u65f6\u505a\u3001\u600e\u4e48\u505a\u3001\u7ed3\u679c\u5982\u4f55\u7b49&#xff09;\u3002<\/p>\n<p>\u8fd9\u6837&#xff0c;\u5728\u53d1\u9001\u5b8c\u547d\u4ee4\u4e4b\u540e&#xff0c;\u53d1\u9001\u547d\u4ee4\u7684\u8fdb\u7a0b\u5c31\u53ef\u4ee5\u7740\u624b\u81ea\u5df1\u7684\u5176\u4ed6\u4efb\u52a1&#xff0c;\u800c\u65e0\u9700\u7b49\u5f85\u5bf9\u65b9\u53cd\u9988\u7684\u7ed3\u679c&#xff08;\u6216\u8005\u8bf4\u65e0\u9700\u4e0e\u5bf9\u65b9\u8fdb\u884c\u540c\u6b65&#xff09;\u3002\u540c\u65f6\u4e5f\u5c31\u610f\u5473\u7740\u63a5\u6536\u4fe1\u53f7\u7684\u8fdb\u7a0b\u5bf9\u4e8e\u547d\u4ee4\u7684\u5904\u7f6e\u662f\u76f8\u5bf9\u81ea\u7531\u7684&#xff0c;\u751a\u81f3\u53ef\u4ee5\u76f4\u63a5\u5ffd\u7565\u3002<\/p>\n<p>\u4f8b\u5982&#xff0c;\u83dc\u9e1f\u9a7f\u7ad9\u7ed9\u4f60\u53d1\u6d88\u606f\u544a\u8bc9\u4f60\u5305\u88f9\u5230\u4e86&#xff08;\u8fd9\u5c31\u662f\u4e00\u79cd\u4fe1\u53f7&#xff09;&#xff0c;\u4f60\u53ef\u4ee5\u53bb\u53d6&#xff0c;\u4e5f\u53ef\u4ee5\u4e0d\u53d6&#xff08;\u5bcc\u54e5\u4e0d\u60f3\u8981\u4e86&#xff0c;\u53c8\u61d2\u5f97\u9000\u6b3e&#xff0c;\u6216\u8005\u5355\u7eaf\u5fd8\u4e86&#xff09;&#xff1b;\u4f60\u53ef\u4ee5\u7acb\u5373\u53bb\u53d6&#xff0c;\u4e5f\u53ef\u4ee5\u7b49\u51e0\u4e2a\u5c0f\u65f6\/\u51e0\u5929\u518d\u53d6&#xff1b;\u4f60\u53ef\u4ee5\u81ea\u5df1\u53bb\u53d6&#xff0c;\u4e5f\u53ef\u4ee5\u53eb\u597d\u53cb\u5e2e\u53d6&#xff0c;\u751a\u81f3\u53eb\u4e2a\u8dd1\u817f\u53bb\u53d6\u3002<\/p>\n<p>\u4f46\u6709\u65f6\u5019\u6211\u4eec\u53c8\u5e0c\u671b\u81ea\u5df1\u53d1\u9001\u7684\u4fe1\u53f7\u662f\u7edd\u5bf9\u6709\u6548\u7684&#xff0c;\u4e0d\u53ef\u88ab\u8f7b\u89c6\u7684\u3002\u4e8e\u662f&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5c06\u4fe1\u53f7\u5206\u4e3a\u53ef\u9760\u4fe1\u53f7\u548c\u4e0d\u53ef\u9760\u4fe1\u53f7&#xff0c;\u4e00\u517162\u79cd(1~64&#xff0c;\u9664\u5f0032\u548c33)&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4e0d\u53ef\u9760\u4fe1\u53f7&#xff1a;\u4e5f\u79f0\u4e3a\u975e\u5b9e\u65f6\u4fe1\u53f7&#xff0c;\u4e0d\u652f\u6301\u6392\u961f&#xff0c;\u4fe1\u53f7\u53ef\u80fd\u4f1a\u4e22\u5931\u3002\u6bd4\u5982\u53d1\u9001\u591a\u6b21\u76f8\u540c\u7684\u4fe1\u53f7&#xff0c;\u8fdb\u7a0b\u53ea\u80fd\u6536\u5230\u4e00\u6b21&#xff0c;\u4fe1\u53f7\u503c\u53d6\u503c\u533a\u95f4\u4e3a1~31\u3002<\/p>\n<\/li>\n<li>\n<p>\u53ef\u9760\u4fe1\u53f7&#xff1a;\u4e5f\u79f0\u4e3a\u5b9e\u65f6\u4fe1\u53f7&#xff0c;\u652f\u6301\u6392\u961f&#xff0c;\u4fe1\u53f7\u4e0d\u4f1a\u4e22\u5931&#xff0c;\u53d1\u591a\u5c11\u6b21&#xff0c;\u5c31\u53ef\u4ee5\u6536\u5230\u591a\u5c11\u6b21&#xff0c;\u4fe1\u53f7\u503c\u53d6\u503c\u533a\u95f4\u4e3a34~64\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4f7f\u7528 <span style=\"background-color:#a2e043\">[ kill -l ]<\/span> \u6307\u4ee4\u53ef\u4ee5\u8fdb\u884c\u67e5\u770b&#xff1a;\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"435\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250522221631-682fa23fbb7c3.png\" width=\"1116\" \/><\/p>\n<h2>2. \u4fe1\u53f7\u7684\u5904\u7406<\/h2>\n<h4>2.1 \u9ed8\u8ba4\u5904\u7406<\/h4>\n<p>\u6bcf\u4e2a\u4fe1\u53f7\u90fd\u6709\u9ed8\u8ba4\u7684\u5904\u7406\u65b9\u5f0f&#xff0c;\u5982SIGINT\u4fe1\u53f7\u7684\u9ed8\u8ba4\u5904\u7406\u662f\u7ec8\u6b62\u8fdb\u7a0b&#xff0c;SIGTERM\u4fe1\u53f7\u7684\u9ed8\u8ba4\u5904\u7406\u4e5f\u662f\u7ec8\u6b62\u8fdb\u7a0b&#xff0c;SIGSEGV\u4fe1\u53f7\u7684\u9ed8\u8ba4\u5904\u7406\u662f\u4ea7\u751f\u6838\u5fc3\u8f6c\u50a8\u5e76\u7ec8\u6b62\u8fdb\u7a0b\u3002<\/p>\n<p>man 7 signal <\/p>\n<p>\u627e\u5230\u6807\u9898&#xff1a;<span style=\"background-color:#a2e043\">Standard signals<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1554\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250522221632-682fa24005104.png\" width=\"996\" \/><\/p>\n<ul>\n<li><span style=\"background-color:#38d8f0\">Core&#xff08;\u6838\u5fc3\u8f6c\u50a8\u5e76\u7ec8\u6b62\u8fdb\u7a0b&#xff09;<\/span>&#xff1a;\u5982SIGABRT\u3001SIGFPE\u4fe1\u53f7&#xff0c;\u5f53\u8fd9\u4e9b\u4fe1\u53f7\u53d1\u751f\u65f6&#xff0c;\u7cfb\u7edf\u4f1a\u8fdb\u884c\u6838\u5fc3\u8f6c\u50a8\u5e76\u4e14\u7ec8\u6b62\u8fdb\u7a0b\u3002<\/li>\n<li><span style=\"background-color:#38d8f0\">Term&#xff08;\u7ec8\u6b62\u8fdb\u7a0b&#xff09;<\/span>&#xff1a;\u50cfSIGALRM\u3001SIGHUP\u4fe1\u53f7&#xff0c;\u8fd9\u4e9b\u4fe1\u53f7\u7684\u9ed8\u8ba4\u52a8\u4f5c\u662f\u7ec8\u6b62\u8fdb\u7a0b\u3002<\/li>\n<li><span style=\"background-color:#38d8f0\">Ign&#xff08;\u5ffd\u7565\u4fe1\u53f7&#xff09;<\/span>&#xff1a;\u5bf9\u4e8eSIGCHLD\u3001SIGCLD\u4fe1\u53f7&#xff0c;\u7cfb\u7edf\u9ed8\u8ba4\u4f1a\u5ffd\u7565\u8fd9\u4e9b\u4fe1\u53f7\u3002<\/li>\n<li><span style=\"background-color:#38d8f0\">Cont&#xff08;\u7ee7\u7eed\u6267\u884c&#xff09;<\/span>&#xff1a;\u5bf9\u4e8eSIGCONT\u4fe1\u53f7&#xff0c;\u5176\u9ed8\u8ba4\u52a8\u4f5c\u662f\u5982\u679c\u8fdb\u7a0b\u5904\u4e8e\u505c\u6b62\u72b6\u6001\u5219\u7ee7\u7eed\u6267\u884c\u3002<\/li>\n<li><span style=\"background-color:#38d8f0\">Stop&#xff08;\u505c\u6b62\u8fdb\u7a0b&#xff09;<\/span>&#xff1a;\u5bf9\u4e8eSIGSTOP\u4fe1\u53f7&#xff0c;\u5b83\u4f1a\u4f7f\u8fdb\u7a0b\u505c\u6b62\u6267\u884c&#xff0c;\u4e14\u4e0d\u80fd\u88ab\u6355\u83b7\u3001\u5ffd\u7565\u6216\u963b\u585e\u3002<\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u770b\u5230&#xff0c;\u5927\u591a\u6570\u4fe1\u53f7\u7684\u9ed8\u8ba4\u5904\u7406\u65b9\u5f0f\u90fd\u662f\u7ec8\u6b62\u8fdb\u7a0b\u3002<\/p>\n<h4>2.2 \u6355\u83b7\u4fe1\u53f7<\/h4>\n<p>\u8fdb\u7a0b\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u6765\u6355\u83b7\u4fe1\u53f7\u5e76\u6267\u884c\u81ea\u5b9a\u4e49\u7684\u5904\u7406\u903b\u8f91\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u5728\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e2d\u8bb0\u5f55\u65e5\u5fd7\u3001\u8fdb\u884c\u8d44\u6e90\u6e05\u7406\u7b49\u64cd\u4f5c\u3002<\/p>\n<p>#include &lt;signal.h&gt;<\/p>\n<p>typedef void (*sighandler_t)(int);<\/p>\n<p>sighandler_t signal(int signum, sighandler_t handler); <\/p>\n<p><span style=\"background-color:#a2e043\">\u529f\u80fd<\/span><\/p>\n<p>\u8bbe\u7f6e\u4fe1\u53f7\u5904\u7406\u7a0b\u5e8f&#xff1a;signal\u51fd\u6570\u7528\u4e8e\u8bbe\u7f6e\u4e00\u4e2a\u51fd\u6570\u6765\u5904\u7406\u7279\u5b9a\u7684\u4fe1\u53f7\u3002\u5f53\u6307\u5b9a\u7684\u4fe1\u53f7\u53d1\u751f\u65f6&#xff0c;\u7cfb\u7edf\u4f1a\u8c03\u7528\u76f8\u5e94\u7684\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u3002<\/p>\n<p><span style=\"background-color:#a2e043\">\u53c2\u6570<\/span><\/p>\n<p>sig&#xff1a;\u8868\u793a\u8981\u5904\u7406\u7684\u4fe1\u53f7\u7801\u3002\u5e38\u89c1\u7684\u4fe1\u53f7\u5e38\u91cf\u5305\u62ecSIGABRT&#xff08;\u7a0b\u5e8f\u5f02\u5e38\u7ec8\u6b62&#xff09;\u3001SIGFPE&#xff08;\u7b97\u672f\u8fd0\u7b97\u51fa\u9519&#xff09;\u3001SIGILL&#xff08;\u975e\u6cd5\u6307\u4ee4&#xff09;\u3001SIGINT&#xff08;\u4e2d\u65ad\u4fe1\u53f7&#xff0c;\u5982Ctrl&#043;C&#xff09;\u3001SIGSEGV&#xff08;\u975e\u6cd5\u8bbf\u95ee\u5b58\u50a8\u5668&#xff09;\u3001SIGTERM&#xff08;\u7ec8\u6b62\u8bf7\u6c42&#xff09;\u7b49\u3002<\/p>\n<p>func&#xff1a;\u662f\u4e00\u4e2a\u6307\u5411\u51fd\u6570\u7684\u6307\u9488&#xff0c;\u7528\u4e8e\u6307\u5b9a\u4fe1\u53f7\u5904\u7406\u7a0b\u5e8f\u3002\u53ef\u4ee5\u662f\u81ea\u5b9a\u4e49\u7684\u51fd\u6570&#xff0c;\u4e5f\u53ef\u4ee5\u662f\u4ee5\u4e0b\u9884\u5b9a\u4e49\u51fd\u6570\u4e4b\u4e00&#xff1a;<\/p>\n<ul>\n<li>\n<p>SIG_DFL&#xff1a;\u8868\u793a\u4f7f\u7528\u8be5\u4fe1\u53f7\u7684\u9ed8\u8ba4\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n<\/li>\n<li>\n<p>SIG_IGN&#xff1a;\u8868\u793a\u5ffd\u7565\u8be5\u4fe1\u53f7\u3002<\/p>\n<\/li>\n<\/ul>\n<p><span style=\"background-color:#a2e043\">\u8fd4\u56de\u503c<\/span><\/p>\n<p>\u6210\u529f\u65f6&#xff1a;\u8fd4\u56de\u4fe1\u53f7\u5904\u7406\u7a0b\u5e8f\u4e4b\u524d\u7684\u503c\u3002<\/p>\n<p>\u51fa\u9519\u65f6&#xff1a;\u8fd4\u56deSIG_ERR\u3002<\/p>\n<p>\u4f8b\u5982&#xff0c;\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u5faa\u73af\u6253\u5370 hello world \u7684\u7a0b\u5e8f&#xff0c; \u5e76\u8ba9\u4ed6\u6355\u83b72\u53f7\u4fe1\u53f7&#xff0c;\u5373ctrl &#043; c\u53d1\u51fa\u7684\u4fe1\u53f7&#xff1a;<\/p>\n<p>#include &lt;iostream&gt;<br \/>\n#include &lt;stdlib.h&gt;<br \/>\n#include &lt;unistd.h&gt;<br \/>\n#include &lt;signal.h&gt;<\/p>\n<p>void SigHandler(int sigid)<br \/>\n{<br \/>\n    std::cout &lt;&lt; &#034;\u83b7\u5f97\u4fe1\u53f7: &#034; &lt;&lt; sigid &lt;&lt; std::endl;<br \/>\n    exit(sigid);<br \/>\n}<\/p>\n<p>int main()<br \/>\n{<br \/>\n    signal(SIGINT, SigHandler);<\/p>\n<p>    for(int i &#061; 0; true; i&#043;&#043;)<br \/>\n    {<br \/>\n        std::cout &lt;&lt; &#034;Hello World[&#034; &lt;&lt; i &lt;&lt; &#034;]&#034; &lt;&lt; &#034;, pid:[&#034;  &lt;&lt; getpid() &lt;&lt; &#034;]&#034; &lt;&lt; std::endl;<br \/>\n        sleep(1);<br \/>\n    }<br \/>\n    return 0;<br \/>\n} <\/p>\n<p>\u5f53\u6211\u4eec\u5728\u7a0b\u5e8f\u8fd0\u884c\u7684\u8fc7\u7a0b\u4e2d\u6309\u4e0b ctrl &#043; c \u65f6&#xff0c;\u7a0b\u5e8f\u4f1a\u663e\u793a\u83b7\u5f97\u4fe1\u53f7&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"270\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250522221633-682fa24112ce1.png\" width=\"801\" \/><\/p>\n<h4>2.3\u00a0\u5ffd\u7565\u4fe1\u53f7<\/h4>\n<p>\u8fdb\u7a0b\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e3aSIG_IGN\u6765\u5ffd\u7565\u67d0\u4e2a\u4fe1\u53f7\u3002\u4f46\u6709\u4e9b\u4fe1\u53f7\u662f\u4e0d\u80fd\u88ab\u5ffd\u7565\u7684&#xff0c;\u5982SIGKILL\u548cSIGSTOP\u4fe1\u53f7\u3002<\/p>\n<h2>3. \u4fe1\u53f7\u7684\u4ea7\u751f\u65b9\u5f0f<\/h2>\n<ul>\n<li>\n<p>\u7528\u6237\u8f93\u5165&#xff1a;\u7528\u6237\u5728\u7ec8\u7aef\u8f93\u5165\u7279\u5b9a\u7684\u5feb\u6377\u952e\u7ec4\u5408&#xff0c;\u5982Ctrl&#043;C\u4f1a\u4ea7\u751fSIGINT\u4fe1\u53f7&#xff0c;Ctrl&#043;\\\\\u4f1a\u4ea7\u751fSIGQUIT\u4fe1\u53f7&#xff0c;Ctrl&#043;Z\u4f1a\u4ea7\u751fSIGTSTP\u4fe1\u53f7\u3002<\/p>\n<\/li>\n<li>\n<p>\u7a0b\u5e8f\u6267\u884c\u5f02\u5e38&#xff1a;\u5f53\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u9519\u8bef\u6216\u5f02\u5e38\u60c5\u51b5\u65f6&#xff0c;\u5185\u6838\u4f1a\u53d1\u9001\u76f8\u5e94\u7684\u4fe1\u53f7\u3002\u4f8b\u5982&#xff0c;\u5bf9\u4e00\u4e2a\u6570\u96640\u4f1a\u4ea7\u751fSIGFPE\u4fe1\u53f7&#xff0c;\u975e\u6cd5\u8bbf\u95ee\u4e00\u6bb5\u5185\u5b58\u4f1a\u4ea7\u751fSIGBUS\u4fe1\u53f7&#xff0c;\u8bbf\u95ee\u672a\u5206\u914d\u7684\u865a\u62df\u5185\u5b58\u4f1a\u4ea7\u751fSIGSEGV\u4fe1\u53f7\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fdb\u7a0b\u95f4\u53d1\u9001\u4fe1\u53f7&#xff1a;\u4e00\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u5411\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7\u3002\u4f8b\u5982&#xff0c;\u4f7f\u7528kill\u51fd\u6570\u53ef\u4ee5\u5411\u6307\u5b9a\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7&#xff0c;raise\u51fd\u6570\u53ef\u4ee5\u5411\u672c\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7&#xff0c;sigqueue\u51fd\u6570\u53ef\u4ee5\u5411\u4e00\u4e2a\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7\u5e76\u4f20\u9012\u989d\u5916\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u7528\u6237\u8f93\u5165\u65b9\u5f0f\u6211\u4eec\u5728\u524d\u9762\u5df2\u7ecf\u89c1\u8bc6\u8fc7&#xff0c;\u5c31\u4e0d\u518d\u591a\u8bf4\u3002<\/p>\n<h4 style=\"background-color:transparent\">3.1\u00a0\u7a0b\u5e8f\u6267\u884c\u5f02\u5e38<\/h4>\n<p>\u6211\u4eec\u7684\u7a0b\u5e8f\u5728\u9047\u5230\u8fd0\u884c\u65f6\u9519\u8bef\u65f6\u4f1a\u62a5\u9519\u5e76\u9000\u51fa&#xff0c;\u8fd9\u5c31\u662f\u56e0\u4e3a\u7a0b\u5e8f\u5728\u53d1\u751f\u6267\u884c\u5f02\u5e38\u65f6\u4f1a\u5f15\u53d1\u786c\u4ef6\u5f02\u5e38\u4e2d\u65ad&#xff0c;\u64cd\u4f5c\u7cfb\u7edf\u68c0\u6d4b\u5230\u4e4b\u540e&#xff0c;\u5c31\u4f1a\u5411\u5f15\u53d1\u5f02\u5e38\u7684\u8fdb\u7a0b\u53d1\u9001\u4e00\u4e2a\u4fe1\u53f7&#xff0c;\u8fdb\u800c\u7ec8\u6b62\u8fdb\u7a0b\u3002<\/p>\n<p>\u4e0b\u9762\u7684\u4ee3\u7801\u4e2d&#xff0c;\u6211\u4eec\u5c1d\u8bd5\u6355\u6349\u7531\u9664\u96f6\u5f15\u53d1\u7684\u5f02\u5e38\u548c\u4f7f\u7528\u91ce\u6307\u9488\u5f15\u53d1\u7684\u5f02\u5e38&#xff1a;<\/p>\n<p>#include &lt;iostream&gt;<br \/>\n#include &lt;stdlib.h&gt;<br \/>\n#include &lt;unistd.h&gt;<br \/>\n#include &lt;signal.h&gt;<\/p>\n<p>void SigHandler(int sigid)<br \/>\n{<br \/>\n    std::cout &lt;&lt; &#034;\u83b7\u5f97\u4fe1\u53f7: &#034; &lt;&lt; sigid &lt;&lt; std::endl;<br \/>\n    exit(sigid);<br \/>\n}<\/p>\n<p>int main()<br \/>\n{<br \/>\n    for(int i &#061; 1; i &lt; 32; i&#043;&#043;)<br \/>\n    {<br \/>\n        signal(i, SigHandler);<br \/>\n    }<\/p>\n<p>    \/\/ 8) SIGFPE<br \/>\n    int a &#061; 10;<br \/>\n    a \/&#061; 0;<\/p>\n<p>    \/\/ 11) SIGSEGV<br \/>\n    \/\/ int *p &#061; nullptr;<br \/>\n    \/\/ *p &#061; 100;<\/p>\n<p>    return 0;<br \/>\n} <\/p>\n<p>\u9664\u96f6\u5f02\u5e38\u5bfc\u81f4\u7a0b\u5e8f\u9000\u51fa&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"279\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250522221633-682fa241315e9.png\" width=\"909\" \/><\/p>\n<p>\u4f7f\u7528\u91ce\u6307\u9488\u5bfc\u81f4\u7a0b\u5e8f\u9000\u51fa&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"159\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250522221633-682fa24152729.png\" width=\"879\" \/><\/p>\n<h4>3.2 \u8fdb\u7a0b\u95f4\u53d1\u9001\u4fe1\u53f7<\/h4>\n<h6>3.2.1 kill\u547d\u4ee4<\/h6>\n<p>kill -[\u4fe1\u53f7\u7f16\u53f7] [\u6307\u5b9a\u8fdb\u7a0bpid] <\/p>\n<p>\u00a0\u5728\u547d\u4ee4\u884c\u4f7f\u7528kill\u6307\u4ee4\u53ef\u50cf\u6307\u5b9a\u8fdb\u7a0b\u53d1\u9001\u6307\u5b9a\u4fe1\u53f7\u3002<\/p>\n<h6>3.2.2 kill\u51fd\u6570<\/h6>\n<p>#include &lt;sys\/types.h&gt;<br \/>\n#include &lt;signal.h&gt;<\/p>\n<p>int kill(pid_t pid, int sig); <\/p>\n<p><span style=\"background-color:#a2e043\">\u529f\u80fd<\/span><\/p>\n<p>kill\u51fd\u6570\u7528\u4e8e\u5411\u6307\u5b9a\u7684\u8fdb\u7a0b\u6216\u8fdb\u7a0b\u7ec4\u53d1\u9001\u4fe1\u53f7&#xff0c;\u4ee5\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u7684\u901a\u77e5\u6216\u63a7\u5236\u3002<\/p>\n<p><span style=\"background-color:#a2e043\">\u53c2\u6570<\/span><\/p>\n<ul>\n<li>\n<p>pid&#xff1a;\u8868\u793a\u8981\u53d1\u9001\u4fe1\u53f7\u7684\u76ee\u6807\u8fdb\u7a0b\u6216\u8fdb\u7a0b\u7ec4\u7684\u6807\u8bc6\u7b26\u3002<\/p>\n<ul>\n<li>\n<p>pid &gt; 0&#xff1a;\u5c06\u4fe1\u53f7\u53d1\u9001\u7ed9\u8fdb\u7a0b\u6807\u8bc6\u4e3apid\u7684\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>pid &#061; 0&#xff1a;\u5c06\u4fe1\u53f7\u53d1\u9001\u7ed9\u4e0e\u8c03\u7528kill\u51fd\u6570\u7684\u8fdb\u7a0b\u5c5e\u4e8e\u540c\u4e00\u8fdb\u7a0b\u7ec4\u7684\u6240\u6709\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>pid &#061; -1&#xff1a;\u5c06\u4fe1\u53f7\u53d1\u9001\u7ed9\u9664\u4e86\u8fdb\u7a0b1&#xff08;init\u8fdb\u7a0b&#xff09;\u548c\u8c03\u7528\u8005\u81ea\u8eab\u4ee5\u5916\u7684\u6240\u6709\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>pid &lt; -1&#xff1a;\u5c06\u4fe1\u53f7\u53d1\u9001\u7ed9\u8fdb\u7a0b\u7ec4ID\u7b49\u4e8epid\u7edd\u5bf9\u503c\u7684\u6240\u6709\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>sig&#xff1a;\u8868\u793a\u8981\u53d1\u9001\u7684\u4fe1\u53f7\u3002\u53ef\u4ee5\u662f\u4ee5\u4e0b\u5e38\u89c1\u4fe1\u53f7\u5e38\u91cf\u4e4b\u4e00<\/p>\n<\/li>\n<\/ul>\n<p><span style=\"background-color:#a2e043\">\u8fd4\u56de\u503c<\/span><\/p>\n<ul>\n<li>\n<p>\u6210\u529f\u65f6&#xff1a;\u8fd4\u56de0\u3002<\/p>\n<\/li>\n<li>\n<p>\u51fa\u9519\u65f6&#xff1a;\u8fd4\u56de-1&#xff0c;\u5e76\u8bbe\u7f6eerrno\u4ee5\u6307\u793a\u9519\u8bef\u539f\u56e0\u3002<\/p>\n<\/li>\n<\/ul>\n<h6>\u00a03.2.3 raise\u51fd\u6570<\/h6>\n<p>#include &lt;signal.h&gt;<\/p>\n<p>int raise(int sig); <\/p>\n<ul>\n<li>\n<p>\u529f\u80fd&#xff1a;\u5411\u8c03\u7528\u8be5\u51fd\u6570\u7684\u8fdb\u7a0b\u53d1\u9001\u4e00\u4e2a\u4fe1\u53f7&#xff08;\u5373\u5411\u81ea\u5df1\u53d1\u9001\u4fe1\u53f7&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u53c2\u6570&#xff1a;sig\u8868\u793a\u8981\u53d1\u9001\u7684\u4fe1\u53f7\u7f16\u53f7\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fd4\u56de\u503c&#xff1a;\u6210\u529f\u65f6\u8fd4\u56de0&#xff1b;\u5931\u8d25\u65f6\u8fd4\u56de\u975e0\u503c\u3002<\/p>\n<\/li>\n<\/ul>\n<p>#include &lt;iostream&gt;<br \/>\n#include &lt;stdlib.h&gt;<br \/>\n#include &lt;unistd.h&gt;<br \/>\n#include &lt;signal.h&gt;<\/p>\n<p>void SigHandler(int sigid)<br \/>\n{<br \/>\n    std::cout &lt;&lt; &#034;\u83b7\u5f97\u4fe1\u53f7: &#034; &lt;&lt; sigid &lt;&lt; std::endl;<br \/>\n    exit(sigid);<br \/>\n}<\/p>\n<p>int main()<br \/>\n{<br \/>\n    for(int i &#061; 1; i &lt; 32; i&#043;&#043;)<br \/>\n    {<br \/>\n        signal(i, SigHandler);<br \/>\n    }<br \/>\n    for(int i &#061; 1; i &lt; 32; i&#043;&#043;)<br \/>\n    {<br \/>\n        sleep(1);<br \/>\n        \/\/ \u7ed9\u81ea\u5df1\u53d1\u4fe1\u53f7<br \/>\n        if(i &#061;&#061; 9 || i &#061;&#061; 19) \/\/ 9-SIGKILL 19-SIGSTOP\u4e0d\u80fd\u88ab\u81ea\u5b9a\u4e49\u6355\u83b7<br \/>\n            continue;<br \/>\n        raise(i);<br \/>\n    }<\/p>\n<p>    return 0;<br \/>\n} <\/p>\n<p>\u00a09\u53f7\u4fe1\u53f7SIGKILL\u548c19\u53f7\u4fe1\u53f7SIGSTOP\u65e0\u6cd5\u88ab\u81ea\u5b9a\u4e49\u6355\u83b7&#xff0c;\u8fd9\u662f\u4e3a\u4e86\u9632\u6b62\u51fa\u73b0\u6240\u6709\u4fe1\u53f7\u90fd\u88ab\u6355\u83b7\u800c\u65e0\u6cd5\u901a\u8fc7\u4fe1\u53f7\u4f7f\u76ee\u6807\u8fdb\u7a0b\u88ab\u5f3a\u5236\u505c\u6b62\u7684\u60c5\u51b5\u3002<\/p>\n<h6>3.2.4 abort\u51fd\u6570<\/h6>\n<p>#include &lt;stdlib.h&gt;<\/p>\n<p>void abort(void); <\/p>\n<p><span style=\"background-color:#a2e043\">\u529f\u80fd<\/span>&#xff1a;abort\u51fd\u6570\u7528\u4e8e\u7acb\u5373\u7ec8\u6b62\u5f53\u524d\u7a0b\u5e8f\u7684\u6267\u884c&#xff0c;\u901a\u5e38\u5728\u68c0\u6d4b\u5230\u4e0d\u53ef\u6062\u590d\u7684\u9519\u8bef\u65f6\u4f7f\u7528\u3002<\/p>\n<p><span style=\"background-color:#a2e043\">\u7279\u70b9<\/span><span style=\"background-color:null\">&#xff1a;<\/span><\/p>\n<ul>\n<li>\n<p>\u4e0d\u6267\u884c\u6e05\u7406\u5de5\u4f5c&#xff1a;abort\u51fd\u6570\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55atexit\u6ce8\u518c\u7684\u51fd\u6570\u6216\u5bf9\u8c61\u6790\u6784\u51fd\u6570&#xff0c;\u4e5f\u4e0d\u4f1a\u5237\u65b0\u6d41\u7f13\u51b2\u533a\u6216\u5173\u95ed\u6253\u5f00\u7684\u6587\u4ef6\u7b49\u5e38\u89c4\u6e05\u7406\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<li>\n<p>\u4ea7\u751f\u6838\u5fc3\u8f6c\u50a8\u6587\u4ef6&#xff1a;\u5728\u67d0\u4e9b\u7cfb\u7edf\u4e0a&#xff0c;\u5982\u679c\u7cfb\u7edf\u914d\u7f6e\u5141\u8bb8&#xff0c;abort\u51fd\u6570\u4f1a\u4ea7\u751f\u4e00\u4e2a\u6838\u5fc3\u8f6c\u50a8\u6587\u4ef6&#xff0c;\u7528\u4e8e\u8c03\u8bd5\u7a0b\u5e8f\u5f02\u5e38\u7ec8\u6b62\u7684\u539f\u56e0\u3002<\/p>\n<\/li>\n<li>\n<p>\u53d1\u9001\u4fe1\u53f7&#xff1a;abort\u51fd\u6570\u4f1a\u5411\u8c03\u7528\u8fdb\u7a0b\u53d1\u9001SIGABRT\u4fe1\u53f7&#xff0c;\u8fdb\u7a0b\u4e0d\u5e94\u5ffd\u7565\u6b64\u4fe1\u53f7\u3002<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"154\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250522221633-682fa2416a51c.png\" width=\"796\" \/><\/p>\n<h6>3.2.5 sigqueue\u51fd\u6570<\/h6>\n<p>\u529f\u80fd&#xff1a;\u5411\u6307\u5b9a\u7684\u8fdb\u7a0b\u53d1\u9001\u7279\u5b9a\u7684\u4fe1\u53f7&#xff0c;\u5e76\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2a\u989d\u5916\u7684\u6570\u636e\u503c&#xff0c;\u63d0\u4f9b\u4e86\u6bd4kill\u51fd\u6570\u66f4\u4e30\u5bcc\u7684\u529f\u80fd&#xff0c;\u53ef\u7528\u4e8e\u8fdb\u7a0b\u95f4\u7684\u9ad8\u7ea7\u901a\u4fe1\u3002<\/p>\n<p>\u6682\u65f6\u4e0d\u505a\u4ecb\u7ecd\u3002<\/p>\n<h2>4. \u8865\u5145&#xff1a;\u524d\u540e\u53f0\u8fdb\u7a0b<\/h2>\n<p>\u5728\u5927\u591a\u6570\u7528\u6237\u4ea4\u4e92\u5f0f\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2d&#xff0c;\u90fd\u4f1a\u628a\u8fdb\u7a0b\u5206\u4e3a\u524d\u53f0\u8fdb\u7a0b\u548c\u540e\u53f0\u8fdb\u7a0b&#xff0c;\u5728Linux\u4e2d\u4e8c\u8005\u7684\u6982\u5ff5\u5982\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u524d\u53f0\u8fdb\u7a0b&#xff1a;\u662f\u4e0e\u7528\u6237\u76f4\u63a5\u4ea4\u4e92\u7684\u8fdb\u7a0b&#xff0c;\u5360\u6709\u63a7\u5236\u7ec8\u7aef&#xff0c;\u53ef\u4ee5\u4ece\u7ec8\u7aef\u63a5\u6536\u8f93\u5165\u5e76\u5411\u7ec8\u7aef\u53d1\u9001\u8f93\u51fa\u3002\u5728\u4efb\u4f55\u65f6\u523b&#xff0c;\u53ea\u6709\u4e00\u4e2a\u8fdb\u7a0b\u7ec4\u53ef\u4ee5\u5728\u524d\u53f0\u8fd0\u884c\u3002<\/p>\n<\/li>\n<li>\n<p>\u540e\u53f0\u8fdb\u7a0b&#xff1a;\u662f\u4e0d\u4e0e\u7528\u6237\u76f4\u63a5\u4ea4\u4e92\u7684\u8fdb\u7a0b&#xff0c;\u5728\u540e\u53f0\u9ed8\u9ed8\u8fd0\u884c&#xff0c;\u4e0d\u5360\u7528\u63a7\u5236\u7ec8\u7aef\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u7528\u6237\u5728\u547d\u4ee4\u884c\u542f\u52a8\u53ef\u6267\u884c\u7a0b\u5e8f\u65f6&#xff0c;\u8be5\u53ef\u6267\u884c\u7a0b\u5e8f\u9ed8\u8ba4\u4ee5\u524d\u53f0\u65b9\u5f0f\u8fd0\u884c&#xff0c;\u7531\u4e8e\u524d\u53f0\u8fdb\u7a0b\u53ea\u6709\u4e00\u4e2a&#xff0c;\u6240\u4ee5\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u5c06bash\u5207\u6362\u5230\u540e\u53f0\u8fd0\u884c&#xff0c;\u5f85\u53ef\u6267\u884c\u7a0b\u5e8f\u8fd0\u884c\u7ed3\u675f\u6216\u8005\u88ab\u5207\u6362\u5230\u540e\u53f0\u65f6&#xff0c;\u518d\u5c06bash\u5207\u6362\u56de\u524d\u53f0\u3002<\/p>\n<p>\u5982\u679c\u7528\u6237\u5e0c\u671b\u8fdb\u7a0b\u88ab\u542f\u52a8\u540e\u5728\u540e\u53f0\u8fd0\u884c&#xff0c;\u53ef\u5728\u5176\u540e\u8ddf\u4e0a &amp; &#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"340\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250522221633-682fa24182b28.png\" width=\"1051\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230&#xff0c;\u6211\u4eec\u8ba9SigTest\u8fd0\u884c\u8d77\u6765\u4e4b\u540e&#xff0c;bash\u548cSigTest\u90fd\u5728\u5f80\u6807\u51c6\u8f93\u51fa\u6253\u5370&#xff0c;\u5f53\u6211\u4eec\u8f93\u5165ls\u6307\u4ee4\u4e4b\u540e&#xff0c;\u53d1\u73b0\u5904\u4e8e\u524d\u53f0\u7684bash\u83b7\u5f97\u4e86\u6211\u4eec\u7684\u8f93\u5165&#xff0c;\u5e76\u8fd0\u884c\u4e86ls\u3002<\/p>\n<p>\u6b64\u65f6&#xff0c;\u5982\u679c\u6211\u4eec\u60f3\u8981\u901a\u8fc7[ctrl &#043; c]\u7684\u65b9\u5f0f\u6765\u7ed3\u675fSigTest\u662f\u884c\u4e0d\u901a\u7684&#xff0c;\u56e0\u4e3a\u53ea\u6709\u524d\u53f0\u8fdb\u7a0b\u80fd\u63a5\u6536\u5230\u6211\u4eec\u7684\u8f93\u5165\u3002\u6b64\u65f6\u6211\u4eec\u6709\u4e24\u79cd\u505a\u6cd5&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528kill -9\u6307\u5b9a\u7ec8\u6b62SigTest\u3002<\/li>\n<li>\u5c06SigTest\u653e\u5230\u524d\u53f0&#xff0c;\u518d\u4f7f\u7528[ctrl &#043; c]\u3002<\/li>\n<\/ul>\n<p>\u524d\u8005\u4e0d\u518d\u8fdb\u884c\u8bf4\u660e\u4e86&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u8bb2\u89e3\u4e00\u4e0b\u5982\u4f55\u5728\u547d\u4ee4\u884c\u63a7\u5236\u8fdb\u7a0b\u7684\u524d\u540e\u53f0\u5207\u6362\u3002<\/p>\n<p>\u5728Linux\u4e2d&#xff0c;\u4e0e\u524d\u540e\u53f0\u76f8\u5173\u7684\u6307\u4ee4\u4e3b\u8981\u7528\u4e8e\u7ba1\u7406\u8fdb\u7a0b\u7684\u8fd0\u884c\u72b6\u6001&#xff0c;\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6307\u4ee4&#xff1a;<\/p>\n<h4>\u540e\u53f0\u8fd0\u884c\u6307\u4ee4<\/h4>\n<ul>\n<li>&amp;&#xff1a;\u5728\u547d\u4ee4\u672b\u5c3e\u6dfb\u52a0\u201c&amp;\u201d\u7b26\u53f7&#xff0c;\u53ef\u4ee5\u4f7f\u7a0b\u5e8f\u5728\u540e\u53f0\u8fd0\u884c&#xff0c;\u4f8b\u5982\u201c.\/matmul &amp;\u201d\u5c06\u8fd0\u884c\u4e00\u4e2a\u540d\u4e3amatmul\u7684\u7a0b\u5e8f\u5e76\u4f7f\u5176\u5728\u540e\u53f0\u8fd0\u884c&#xff0c;\u8fd9\u6837\u7528\u6237\u5c31\u53ef\u4ee5\u5728\u524d\u53f0\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u547d\u4ee4\u3002<\/li>\n<li>nohup&#xff1a;nohup\u547d\u4ee4\u7528\u4e8e\u5728\u540e\u53f0\u8fd0\u884c\u547d\u4ee4&#xff0c;\u5373\u4f7f\u7ec8\u7aef\u5173\u95ed\u6216\u7528\u6237\u9000\u51fa&#xff0c;\u547d\u4ee4\u4e5f\u4f1a\u7ee7\u7eed\u6267\u884c\u3002\u4f8b\u5982&#xff0c;\u201cnohup ping 101.lug.ustc.edu.cn &amp;\u201d\u5c06\u5728\u540e\u53f0\u8fd0\u884cping\u547d\u4ee4&#xff0c;\u5e76\u5c06\u8f93\u51fa\u91cd\u5b9a\u5411\u5230nohup.out\u6587\u4ef6\u4e2d\u3002<\/li>\n<\/ul>\n<h4>\u524d\u540e\u53f0\u5207\u6362\u6307\u4ee4<\/h4>\n<ul>\n<li>Ctrl&#043;Z&#xff1a;\u5c06\u5f53\u524d\u6b63\u5728\u524d\u53f0\u6267\u884c\u7684\u547d\u4ee4\u6216\u8fdb\u7a0b\u6682\u505c&#xff0c;\u5e76\u653e\u5165\u540e\u53f0\u3002\u4f8b\u5982&#xff0c;\u5f53\u4e00\u4e2a\u547d\u4ee4\u5728\u524d\u53f0\u8fd0\u884c\u65f6&#xff0c;\u6309\u4e0bCtrl&#043;Z&#xff0c;\u8be5\u547d\u4ee4\u5c06\u88ab\u6682\u505c\u5e76\u653e\u5165\u540e\u53f0&#xff0c;\u5c4f\u5e55\u4e0a\u4f1a\u663e\u793a\u76f8\u5173\u7684\u72b6\u6001\u4fe1\u606f\u3002<\/li>\n<li>jobs&#xff1a;\u7528\u4e8e\u67e5\u770b\u5f53\u524d\u5728\u540e\u53f0\u8fd0\u884c\u7684\u8fdb\u7a0b\u6216\u4efb\u52a1\u7684\u5217\u8868&#xff0c;\u4ee5\u53ca\u5b83\u4eec\u7684\u72b6\u6001\u548c\u4f5c\u4e1a\u53f7\u3002\u4f8b\u5982&#xff0c;\u201cjobs -l\u201d\u5c06\u663e\u793a\u8be6\u7ec6\u7684\u540e\u53f0\u8fdb\u7a0b\u4fe1\u606f&#xff0c;\u5305\u62ec\u8fdb\u7a0bID\u3001\u72b6\u6001\u7b49\u3002<\/li>\n<li>fg&#xff1a;\u5c06\u540e\u53f0\u4e2d\u7684\u8fdb\u7a0b\u8c03\u81f3\u524d\u53f0\u7ee7\u7eed\u8fd0\u884c\u3002\u4f8b\u5982&#xff0c;\u201cfg %1\u201d\u5c06\u628a\u540e\u53f0\u4e2d\u4f5c\u4e1a\u53f7\u4e3a1\u7684\u8fdb\u7a0b\u8c03\u81f3\u524d\u53f0\u8fd0\u884c\u3002<\/li>\n<li>bg&#xff1a;\u5c06\u540e\u53f0\u4e2d\u6682\u505c\u7684\u8fdb\u7a0b\u7ee7\u7eed\u5728\u540e\u53f0\u8fd0\u884c\u3002\u4f8b\u5982&#xff0c;\u201cbg %2\u201d\u5c06\u4f7f\u540e\u53f0\u4e2d\u4f5c\u4e1a\u53f7\u4e3a2\u7684\u8fdb\u7a0b\u5728\u540e\u53f0\u7ee7\u7eed\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<h4>\u5176\u4ed6\u76f8\u5173\u6307\u4ee4<\/h4>\n<ul>\n<li>ps&#xff1a;\u7528\u4e8e\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e2d\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u7684\u72b6\u6001\u548c\u4fe1\u606f\u3002\u4f8b\u5982&#xff0c;\u201cps aux\u201d\u5c06\u663e\u793a\u6240\u6709\u7528\u6237\u7684\u6240\u6709\u8fdb\u7a0b\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/li>\n<li>kill&#xff1a;\u7528\u4e8e\u5411\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7&#xff0c;\u901a\u5e38\u7528\u4e8e\u7ec8\u6b62\u8fdb\u7a0b\u3002\u4f8b\u5982&#xff0c;\u201ckill -9 PID\u201d\u5c06\u5f3a\u5236\u7ec8\u6b62\u6307\u5b9aPID\u7684\u8fdb\u7a0b\u3002<\/li>\n<li>top&#xff1a;\u7528\u4e8e\u5b9e\u65f6\u67e5\u770b\u7cfb\u7edf\u4e2d\u5404\u4e2a\u8fdb\u7a0b\u7684\u8d44\u6e90\u5360\u7528\u60c5\u51b5&#xff0c;\u5305\u62ecCPU\u3001\u5185\u5b58\u7b49\u3002<\/li>\n<li>htop&#xff1a;\u662ftop\u547d\u4ee4\u7684\u589e\u5f3a\u7248&#xff0c;\u63d0\u4f9b\u4e86\u66f4\u76f4\u89c2\u548c\u4ea4\u4e92\u6027\u66f4\u5f3a\u7684\u754c\u9762&#xff0c;\u7528\u4e8e\u67e5\u770b\u548c\u7ba1\u7406\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.1k\u6b21\uff0c\u70b9\u8d5e37\u6b21\uff0c\u6536\u85cf49\u6b21\u3002\u4fe1\u53f7\u662f\u4e00\u79cd\u5f02\u6b65\u7684\u4fe1\u606f\u4f20\u9012\u65b9\u5f0f\uff0c\u8fd9\u610f\u5473\u7740\u53d1\u9001\u4fe1\u53f7\u7684\u8fdb\u7a0b\u53ea\u53d1\u9001\u7531\u4fe1\u53f7\u4f5c\u4e3a\u8f7d\u4f53\u7684\u547d\u4ee4\uff0c\u800c\u5e76\u4e0d\u5173\u5fc3\u63a5\u6536\u4fe1\u53f7\u7684\u8fdb\u7a0b\u5982\u4f55\u5904\u7f6e\u8fd9\u4e2a\u547d\u4ee4\uff08\u505a\u4e0d\u505a\u3001\u4f55\u65f6\u505a\u3001\u600e\u4e48\u505a\u3001\u7ed3\u679c\u5982\u4f55\u7b49\uff09\u3002\u6211\u4eec\u7684\u7a0b\u5e8f\u5728\u9047\u5230\u8fd0\u884c\u65f6\u9519\u8bef\u65f6\u4f1a\u62a5\u9519\u5e76\u9000\u51fa\uff0c\u8fd9\u5c31\u662f\u56e0\u4e3a\u7a0b\u5e8f\u5728\u53d1\u751f\u6267\u884c\u5f02\u5e38\u65f6\u4f1a\u5f15\u53d1\u786c\u4ef6\u5f02\u5e38\u4e2d\u65ad\uff0c\u64cd\u4f5c\u7cfb\u7edf\u68c0\u6d4b\u5230\u4e4b\u540e\uff0c\u5c31\u4f1a\u5411\u5f15\u53d1\u5f02\u5e38\u7684\u8fdb\u7a0b\u53d1\u9001\u4e00\u4e2a\u4fe1\u53f7\uff0c\u8fdb\u800c\u7ec8\u6b62\u8fdb\u7a0b\u3002\u529f\u80fd\uff1a\u5411\u6307\u5b9a\u7684\u8fdb\u7a0b\u53d1\u9001\u7279\u5b9a\u7684\u4fe1\u53f7\uff0c\u5e76\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2a\u989d\u5916\u7684\u6570\u636e\u503c\uff0c\u63d0\u4f9b\u4e86\u6bd4kill\u51fd\u6570\u66f4\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u53ef\u7528\u4e8e\u8fdb\u7a0b\u95f4\u7684\u9ad8\u7ea7\u901a\u4fe1\u3002\u51fd\u6570\u7528\u4e8e\u5411\u6307\u5b9a\u7684\u8fdb\u7a0b\u6216\u8fdb\u7a0b\u7ec4\u53d1\u9001\u4fe1\u53f7\uff0c\u4ee5\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u7684\u901a\u77e5\u6216\u63a7\u5236\u3002<\/p>\n","protected":false},"author":2,"featured_media":39224,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[305],"topic":[],"class_list":["post-39231","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-305"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux\u7b14\u8bb0-\u4fe1\u53f7(\u4e0a) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/39231.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux\u7b14\u8bb0-\u4fe1\u53f7(\u4e0a) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.1k\u6b21\uff0c\u70b9\u8d5e37\u6b21\uff0c\u6536\u85cf49\u6b21\u3002\u4fe1\u53f7\u662f\u4e00\u79cd\u5f02\u6b65\u7684\u4fe1\u606f\u4f20\u9012\u65b9\u5f0f\uff0c\u8fd9\u610f\u5473\u7740\u53d1\u9001\u4fe1\u53f7\u7684\u8fdb\u7a0b\u53ea\u53d1\u9001\u7531\u4fe1\u53f7\u4f5c\u4e3a\u8f7d\u4f53\u7684\u547d\u4ee4\uff0c\u800c\u5e76\u4e0d\u5173\u5fc3\u63a5\u6536\u4fe1\u53f7\u7684\u8fdb\u7a0b\u5982\u4f55\u5904\u7f6e\u8fd9\u4e2a\u547d\u4ee4\uff08\u505a\u4e0d\u505a\u3001\u4f55\u65f6\u505a\u3001\u600e\u4e48\u505a\u3001\u7ed3\u679c\u5982\u4f55\u7b49\uff09\u3002\u6211\u4eec\u7684\u7a0b\u5e8f\u5728\u9047\u5230\u8fd0\u884c\u65f6\u9519\u8bef\u65f6\u4f1a\u62a5\u9519\u5e76\u9000\u51fa\uff0c\u8fd9\u5c31\u662f\u56e0\u4e3a\u7a0b\u5e8f\u5728\u53d1\u751f\u6267\u884c\u5f02\u5e38\u65f6\u4f1a\u5f15\u53d1\u786c\u4ef6\u5f02\u5e38\u4e2d\u65ad\uff0c\u64cd\u4f5c\u7cfb\u7edf\u68c0\u6d4b\u5230\u4e4b\u540e\uff0c\u5c31\u4f1a\u5411\u5f15\u53d1\u5f02\u5e38\u7684\u8fdb\u7a0b\u53d1\u9001\u4e00\u4e2a\u4fe1\u53f7\uff0c\u8fdb\u800c\u7ec8\u6b62\u8fdb\u7a0b\u3002\u529f\u80fd\uff1a\u5411\u6307\u5b9a\u7684\u8fdb\u7a0b\u53d1\u9001\u7279\u5b9a\u7684\u4fe1\u53f7\uff0c\u5e76\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2a\u989d\u5916\u7684\u6570\u636e\u503c\uff0c\u63d0\u4f9b\u4e86\u6bd4kill\u51fd\u6570\u66f4\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u53ef\u7528\u4e8e\u8fdb\u7a0b\u95f4\u7684\u9ad8\u7ea7\u901a\u4fe1\u3002\u51fd\u6570\u7528\u4e8e\u5411\u6307\u5b9a\u7684\u8fdb\u7a0b\u6216\u8fdb\u7a0b\u7ec4\u53d1\u9001\u4fe1\u53f7\uff0c\u4ee5\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u7684\u901a\u77e5\u6216\u63a7\u5236\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/39231.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-22T22:16:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250522221631-682fa23fbb7c3.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/39231.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/39231.html\",\"name\":\"Linux\u7b14\u8bb0-\u4fe1\u53f7(\u4e0a) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-05-22T22:16:34+00:00\",\"dateModified\":\"2025-05-22T22:16:34+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/39231.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/39231.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/39231.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Linux\u7b14\u8bb0---\u4fe1\u53f7(\u4e0a)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Linux\u7b14\u8bb0-\u4fe1\u53f7(\u4e0a) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/39231.html","og_locale":"zh_CN","og_type":"article","og_title":"Linux\u7b14\u8bb0-\u4fe1\u53f7(\u4e0a) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.1k\u6b21\uff0c\u70b9\u8d5e37\u6b21\uff0c\u6536\u85cf49\u6b21\u3002\u4fe1\u53f7\u662f\u4e00\u79cd\u5f02\u6b65\u7684\u4fe1\u606f\u4f20\u9012\u65b9\u5f0f\uff0c\u8fd9\u610f\u5473\u7740\u53d1\u9001\u4fe1\u53f7\u7684\u8fdb\u7a0b\u53ea\u53d1\u9001\u7531\u4fe1\u53f7\u4f5c\u4e3a\u8f7d\u4f53\u7684\u547d\u4ee4\uff0c\u800c\u5e76\u4e0d\u5173\u5fc3\u63a5\u6536\u4fe1\u53f7\u7684\u8fdb\u7a0b\u5982\u4f55\u5904\u7f6e\u8fd9\u4e2a\u547d\u4ee4\uff08\u505a\u4e0d\u505a\u3001\u4f55\u65f6\u505a\u3001\u600e\u4e48\u505a\u3001\u7ed3\u679c\u5982\u4f55\u7b49\uff09\u3002\u6211\u4eec\u7684\u7a0b\u5e8f\u5728\u9047\u5230\u8fd0\u884c\u65f6\u9519\u8bef\u65f6\u4f1a\u62a5\u9519\u5e76\u9000\u51fa\uff0c\u8fd9\u5c31\u662f\u56e0\u4e3a\u7a0b\u5e8f\u5728\u53d1\u751f\u6267\u884c\u5f02\u5e38\u65f6\u4f1a\u5f15\u53d1\u786c\u4ef6\u5f02\u5e38\u4e2d\u65ad\uff0c\u64cd\u4f5c\u7cfb\u7edf\u68c0\u6d4b\u5230\u4e4b\u540e\uff0c\u5c31\u4f1a\u5411\u5f15\u53d1\u5f02\u5e38\u7684\u8fdb\u7a0b\u53d1\u9001\u4e00\u4e2a\u4fe1\u53f7\uff0c\u8fdb\u800c\u7ec8\u6b62\u8fdb\u7a0b\u3002\u529f\u80fd\uff1a\u5411\u6307\u5b9a\u7684\u8fdb\u7a0b\u53d1\u9001\u7279\u5b9a\u7684\u4fe1\u53f7\uff0c\u5e76\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2a\u989d\u5916\u7684\u6570\u636e\u503c\uff0c\u63d0\u4f9b\u4e86\u6bd4kill\u51fd\u6570\u66f4\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u53ef\u7528\u4e8e\u8fdb\u7a0b\u95f4\u7684\u9ad8\u7ea7\u901a\u4fe1\u3002\u51fd\u6570\u7528\u4e8e\u5411\u6307\u5b9a\u7684\u8fdb\u7a0b\u6216\u8fdb\u7a0b\u7ec4\u53d1\u9001\u4fe1\u53f7\uff0c\u4ee5\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u7684\u901a\u77e5\u6216\u63a7\u5236\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/39231.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-05-22T22:16:34+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250522221631-682fa23fbb7c3.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/39231.html","url":"https:\/\/www.wsisp.com\/helps\/39231.html","name":"Linux\u7b14\u8bb0-\u4fe1\u53f7(\u4e0a) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-05-22T22:16:34+00:00","dateModified":"2025-05-22T22:16:34+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/39231.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/39231.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/39231.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"Linux\u7b14\u8bb0---\u4fe1\u53f7(\u4e0a)"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/39231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=39231"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/39231\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/39224"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=39231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=39231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=39231"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=39231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}