{"id":13357,"date":"2024-05-13T10:46:45","date_gmt":"2024-05-13T02:46:45","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13357"},"modified":"2024-06-14T15:10:42","modified_gmt":"2024-06-14T07:10:42","slug":"%e4%bf%a1%e5%8f%b7%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13357","title":{"rendered":"\u4fe1\u53f7\u673a\u5236"},"content":{"rendered":"<p><a href=\"https:\/\/blog.csdn.net\/Hello_World_213\/article\/details\/128614985\">https:\/\/blog.csdn.net\/Hello_World_213\/article\/details\/128614985<\/a><br \/>\n<a href=\"https:\/\/www.cnblogs.com\/gpf1997\/p\/17728883.html\">https:\/\/www.cnblogs.com\/gpf1997\/p\/17728883.html<\/a> \uff08\u53e4\u8001\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1\u65b9\u5f0f\uff09<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_16 counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13357\/#%E4%BF%A1%E5%8F%B7%E7%9A%84%E6%9D%A5%E6%BA%90\" title=\"\u4fe1\u53f7\u7684\u6765\u6e90\">\u4fe1\u53f7\u7684\u6765\u6e90<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13357\/#%E7%BA%BF%E7%A8%8B%E4%BF%A1%E5%8F%B7%E6%8E%A9%E7%A0%81\" title=\"\u7ebf\u7a0b\u4fe1\u53f7\u63a9\u7801\">\u7ebf\u7a0b\u4fe1\u53f7\u63a9\u7801<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13357\/#%E7%88%B6%E8%BF%9B%E7%A8%8B%E6%AD%A3%E5%B8%B8%E9%80%80%E5%87%BA%E6%88%96%E6%AD%BB%E4%BA%A1%E6%80%8E%E4%B9%88%E5%91%8A%E8%AF%89%E5%AD%90%E8%BF%9B%E7%A8%8B\" title=\"\u7236\u8fdb\u7a0b\u6b63\u5e38\u9000\u51fa\u6216\u6b7b\u4ea1\u600e\u4e48\u544a\u8bc9\u5b50\u8fdb\u7a0b\">\u7236\u8fdb\u7a0b\u6b63\u5e38\u9000\u51fa\u6216\u6b7b\u4ea1\u600e\u4e48\u544a\u8bc9\u5b50\u8fdb\u7a0b<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13357\/#%E6%96%B0API\" title=\"\u65b0API\">\u65b0API<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13357\/#%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF\" title=\"\u5e94\u7528\u573a\u666f\">\u5e94\u7528\u573a\u666f<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13357\/#1%E5%A4%9A%E8%BF%9B%E7%A8%8B%E8%B0%83%E8%AF%95\" title=\"1.\u591a\u8fdb\u7a0b\u8c03\u8bd5\">1.\u591a\u8fdb\u7a0b\u8c03\u8bd5<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E4%BF%A1%E5%8F%B7%E7%9A%84%E6%9D%A5%E6%BA%90\"><\/span>\u4fe1\u53f7\u7684\u6765\u6e90<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/blog.csdn.net\/weixin_35384453\/article\/details\/116928200\">https:\/\/blog.csdn.net\/weixin_35384453\/article\/details\/116928200<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%BA%BF%E7%A8%8B%E4%BF%A1%E5%8F%B7%E6%8E%A9%E7%A0%81\"><\/span>\u7ebf\u7a0b\u4fe1\u53f7\u63a9\u7801<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0cpthread_sigmask\u662f\u4e00\u4e2a\u7528\u4e8e\u7ebf\u7a0b\u4fe1\u53f7\u63a9\u7801\u64cd\u4f5c\u7684\u51fd\u6570\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u548c\u83b7\u53d6\u7ebf\u7a0b\u7684\u4fe1\u53f7\u63a9\u7801\uff0c\u4ece\u800c\u63a7\u5236\u7ebf\u7a0b\u5bf9\u4fe1\u53f7\u7684\u54cd\u5e94\u3002<br \/>\n<a href=\"https:\/\/blog.51cto.com\/u_15410314\/10237252\">https:\/\/blog.51cto.com\/u_15410314\/10237252<\/a><br \/>\n<a href=\"https:\/\/blog.csdn.net\/lcb1992\/article\/details\/53511508\">https:\/\/blog.csdn.net\/lcb1992\/article\/details\/53511508<\/a><br \/>\n<a href=\"https:\/\/www.cnblogs.com\/qq78292959\/archive\/2012\/04\/05\/2432985.html\">https:\/\/www.cnblogs.com\/qq78292959\/archive\/2012\/04\/05\/2432985.html<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%88%B6%E8%BF%9B%E7%A8%8B%E6%AD%A3%E5%B8%B8%E9%80%80%E5%87%BA%E6%88%96%E6%AD%BB%E4%BA%A1%E6%80%8E%E4%B9%88%E5%91%8A%E8%AF%89%E5%AD%90%E8%BF%9B%E7%A8%8B\"><\/span>\u7236\u8fdb\u7a0b\u6b63\u5e38\u9000\u51fa\u6216\u6b7b\u4ea1\u600e\u4e48\u544a\u8bc9\u5b50\u8fdb\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/blog.csdn.net\/qq_48220362\/article\/details\/132747463\">https:\/\/blog.csdn.net\/qq_48220362\/article\/details\/132747463<\/a><br \/>\n<code>prctl(PR_SET_PDEATHSIG,SIGKILL);<\/code><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%96%B0API\"><\/span>\u65b0API<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/blog.csdn.net\/gdutliuyun827\/article\/details\/8460417\">https:\/\/blog.csdn.net\/gdutliuyun827\/article\/details\/8460417<\/a><\/p>\n<p><strong>\u4e09\u79cd\u65b0\u7684fd\u52a0\u5165linux\u5185\u6838\u7684\u7684\u7248\u672c<\/strong>\uff1a<br \/>\nsignalfd\uff1a2.6.22<\/p>\n<p>timerfd\uff1a2.6.25<\/p>\n<p>eventfd\uff1a2.6.22<\/p>\n<p><strong>\u4e09\u79cdfd\u7684\u610f\u4e49<\/strong>\uff1a<br \/>\nsignalfd\uff1a\u4f20\u7edf\u7684\u5904\u7406\u4fe1\u53f7\u7684\u65b9\u5f0f\u662f\u6ce8\u518c\u4fe1\u53f7\u5904\u7406\u51fd\u6570\uff1b\u7531\u4e8e\u4fe1\u53f7\u662f\u5f02\u6b65\u53d1\u751f\u7684\uff0c\u8981\u89e3\u51b3\u6570\u636e\u7684\u5e76\u53d1\u8bbf\u95ee\uff0c\u53ef\u91cd\u5165\u95ee\u9898\u3002signalfd\u53ef\u4ee5\u5c06\u4fe1\u53f7\u62bd\u8c61\u4e3a\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u5f53\u6709\u4fe1\u53f7\u53d1\u751f\u65f6\u53ef\u4ee5\u5bf9\u5176read\uff0c\u8fd9\u6837\u53ef\u4ee5\u5c06\u4fe1\u53f7\u7684\u76d1\u542c\u653e\u5230select\u3001poll\u3001epoll\u7b49\u76d1\u542c\u961f\u5217\u4e2d\u3002<\/p>\n<p>timerfd\uff1a\u53ef\u4ee5\u5b9e\u73b0\u5b9a\u65f6\u5668\u7684\u529f\u80fd\uff0c\u5c06\u5b9a\u65f6\u5668\u62bd\u8c61\u4e3a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u5f53\u5b9a\u65f6\u5668\u5230\u671f\u65f6\u53ef\u4ee5\u5bf9\u5176read\uff0c\u8fd9\u6837\u4e5f\u53ef\u4ee5\u653e\u5230\u76d1\u542c\u961f\u5217\u7684\u4e3b\u5faa\u73af\u4e2d\u3002<\/p>\n<p>eventfd\uff1a\u5b9e\u73b0\u4e86\u7ebf\u7a0b\u4e4b\u95f4\u4e8b\u4ef6\u901a\u77e5\u7684\u65b9\u5f0f\uff0ceventfd\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u662fsizeof(uint64_t)\uff1b\u5411\u5176write\u53ef\u4ee5\u9012\u589e\u8fd9\u4e2a\u8ba1\u6570\u5668\uff0cread\u64cd\u4f5c\u53ef\u4ee5\u8bfb\u53d6\uff0c\u5e76\u8fdb\u884c\u6e05\u96f6\uff1beventfd\u4e5f\u53ef\u4ee5\u653e\u5230\u76d1\u542c\u961f\u5217\u4e2d\uff0c\u5f53\u8ba1\u6570\u5668\u4e0d\u662f0\u65f6\uff0c\u6709\u53ef\u8bfb\u4e8b\u4ef6\u53d1\u751f\uff0c\u53ef\u4ee5\u8fdb\u884c\u8bfb\u53d6\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF\"><\/span>\u5e94\u7528\u573a\u666f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1%E5%A4%9A%E8%BF%9B%E7%A8%8B%E8%B0%83%E8%AF%95\"><\/span>1.\u591a\u8fdb\u7a0b\u8c03\u8bd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u6682\u505c\u8fdb\u7a0b\uff0c\u5047\u8bbe\u8fdb\u7a0b\u53f7\u4e3a40727.<\/p>\n<pre><code class=\"language-c\">#include &lt;unistd.h&gt;\n#include &lt;stdio.h&gt;\n#include &lt;signal.h&gt;\n\nint main(int argc, char *argv[]) {\n    printf(&quot;Process about to raise SIGSTOP...\\n&quot;);\n    if (raise(SIGSTOP) != 0) {  \/\/ \u53d1\u9001SIGSTOP\u4fe1\u53f7\uff0c\u6682\u505c\u8fdb\u7a0b\n        perror(&quot;raise failed&quot;);\n        return 1;\n    }\n\n    printf(&quot;Process has been stopped. Sleeping for 2 seconds...\\n&quot;);\n    sleep(2);  \/\/ \u7761\u77202\u79d2\uff0c\u89c2\u5bdf\u88ab\u6682\u505c\u7684\u8fdb\u7a0b\u72b6\u6001\n\n    printf(&quot;Process about to raise SIGCONT...\\n&quot;);\n    if (raise(SIGCONT) != 0) {  \/\/ \u53d1\u9001SIGCONT\u4fe1\u53f7\uff0c\u7ee7\u7eed\u8fdb\u7a0b\n        perror(&quot;raise failed&quot;);\n        return 1;\n    }\n\n    printf(&quot;Process has been continued. Exiting...\\n&quot;);\n    return 0;\n}\n<\/code><\/pre>\n<p>\u901a\u8fc7kill -l\u67e5\u8be2SIGCONT\u4fe1\u53f7\u7f16\u53f7\u4e3a18,\u5411\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7<code>kill -18 40727<\/code>\u8ba9\u8fdb\u7a0b\u7ee7\u7eed\u8fd0\u884c\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u7684\u5c0f\u4ee3\u7801\uff0c<strong>\u5bf9\u4e8e\u591a\u8fdb\u7a0b\u8c03\u8bd5\uff0c\u5728\u8fdb\u7a0bSIGSTOP\u4e4b\u524d\u5148\u6253\u5370\u51fa\u8fdb\u7a0b\u7684id\uff0c\u7136\u540egdbserver attach\u4e0a\uff0c\u7136\u540e\u518d<code>kill -18 pid<\/code>\u6fc0\u6d3b\u8fdb\u7a0b\u8fdb\u884c\u8c03\u8bd5\u3002<\/strong><\/p>\n<button class=\"simplefavorite-button\" data-postid=\"13357\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>https:\/\/blog.csdn.net\/Hello_World_213\/article\/deta [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1018],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13357"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13357"}],"version-history":[{"count":12,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13357\/revisions"}],"predecessor-version":[{"id":13778,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13357\/revisions\/13778"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13357"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}