{"id":6479,"date":"2024-08-16T16:16:40","date_gmt":"2024-08-16T08:16:40","guid":{"rendered":"https:\/\/t.n-years.com\/?p=6479"},"modified":"2024-08-16T16:16:40","modified_gmt":"2024-08-16T08:16:40","slug":"%e8%bf%9b%e7%a8%8b%e7%9a%84-detached-%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/t.n-years.com\/?p=6479","title":{"rendered":"\u8fdb\u7a0b\u7684 detached \u6a21\u5f0f"},"content":{"rendered":"<p>\u8fdb\u7a0b\u7684 <strong>detached \u6a21\u5f0f<\/strong> \u662f\u6307\u8fdb\u7a0b\u5728\u540e\u53f0\u72ec\u7acb\u8fd0\u884c\uff0c\u4e0d\u4f9d\u8d56\u4e8e\u542f\u52a8\u5b83\u7684\u7ec8\u7aef\u6216\u7236\u8fdb\u7a0b\u3002\u5f53\u4e00\u4e2a\u8fdb\u7a0b\u4ee5 detached \u6a21\u5f0f\u8fd0\u884c\u65f6\uff0c\u5373\u4f7f\u7236\u8fdb\u7a0b\u9000\u51fa\uff0c\u8be5\u8fdb\u7a0b\u4ecd\u7136\u53ef\u4ee5\u7ee7\u7eed\u8fd0\u884c\u3002<\/p>\n<h3><strong>Detached \u6a21\u5f0f\u7684\u57fa\u672c\u7406\u89e3<\/strong><\/h3>\n<p>\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u901a\u5e38\u6709\u4e24\u79cd\u8fdb\u7a0b\u8fd0\u884c\u6a21\u5f0f\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u524d\u53f0\u6a21\u5f0f\uff08Foreground\uff09<\/strong>: \u8fdb\u7a0b\u4e0e\u7ec8\u7aef\u76f4\u63a5\u5173\u8054\uff0c\u7528\u6237\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u547d\u4ee4\u540e\uff0c\u8fdb\u7a0b\u7684\u8f93\u51fa\u4f1a\u76f4\u63a5\u663e\u793a\u5728\u7ec8\u7aef\u4e2d\u3002\u7528\u6237\u9700\u8981\u7b49\u5f85\u8fdb\u7a0b\u6267\u884c\u5b8c\u624d\u80fd\u7ee7\u7eed\u4f7f\u7528\u7ec8\u7aef\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u540e\u53f0\u6a21\u5f0f\uff08Background\uff09<\/strong>: \u8fdb\u7a0b\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u7528\u6237\u53ef\u4ee5\u5728\u542f\u52a8\u8fdb\u7a0b\u540e\u7ee7\u7eed\u4f7f\u7528\u7ec8\u7aef\u3002\u901a\u5e38\u901a\u8fc7\u5728\u547d\u4ee4\u540e\u52a0\u4e0a <code>&amp;<\/code> \u7b26\u53f7\u542f\u52a8\u540e\u53f0\u8fdb\u7a0b\u3002\u7136\u800c\uff0c\u540e\u53f0\u8fdb\u7a0b\u9ed8\u8ba4\u4ecd\u7136\u4f9d\u8d56\u4e8e\u7ec8\u7aef\u3002\u5982\u679c\u7ec8\u7aef\u5173\u95ed\u6216\u7528\u6237\u9000\u51fa\uff0c\u540e\u53f0\u8fdb\u7a0b\u4e5f\u4f1a\u88ab\u4e2d\u65ad\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><strong>Detached \u6a21\u5f0f\u7684\u7279\u70b9<\/strong><\/h3>\n<p>\u5f53\u4e00\u4e2a\u8fdb\u7a0b\u4ee5 detached \u6a21\u5f0f\u8fd0\u884c\u65f6\uff0c\u5b83\u5177\u5907\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u72ec\u7acb\u6027<\/strong>: \u8fdb\u7a0b\u4e0d\u4f1a\u4f9d\u8d56\u4e8e\u542f\u52a8\u5b83\u7684\u7ec8\u7aef\u6216\u7236\u8fdb\u7a0b\u3002\u5f53\u7ec8\u7aef\u5173\u95ed\u6216\u7528\u6237\u9000\u51fa\u65f6\uff0c\u8fdb\u7a0b\u4f9d\u7136\u4f1a\u7ee7\u7eed\u8fd0\u884c\u3002<\/li>\n<li><strong>\u4e0e\u7ec8\u7aef\u65e0\u5173<\/strong>: \u8fdb\u7a0b\u7684\u8f93\u51fa\u4e0d\u4f1a\u4e0e\u542f\u52a8\u5b83\u7684\u7ec8\u7aef\u76f8\u5173\u8054\uff0c\u901a\u5e38\u4e0d\u4f1a\u663e\u793a\u5728\u542f\u52a8\u5b83\u7684\u7ec8\u7aef\u4e2d\u3002<\/li>\n<li><strong>\u5178\u578b\u7528\u9014<\/strong>: \u4e00\u4e9b\u957f\u671f\u8fd0\u884c\u7684\u670d\u52a1\uff08\u5982\u5b88\u62a4\u8fdb\u7a0b\u3001\u540e\u53f0\u4efb\u52a1\uff09\u901a\u5e38\u4ee5 detached \u6a21\u5f0f\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<h3><strong>\u5b9e\u73b0 detached \u6a21\u5f0f\u7684\u65b9\u5f0f<\/strong><\/h3>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528 <code>nohup<\/code> \u547d\u4ee4<\/strong>:<\/p>\n<ul>\n<li><code>nohup<\/code>\uff08no hang up\uff09\u547d\u4ee4\u53ef\u4ee5\u8ba9\u8fdb\u7a0b\u5728\u540e\u53f0\u4ee5 detached \u6a21\u5f0f\u8fd0\u884c\uff0c\u5373\u4f7f\u5173\u95ed\u7ec8\u7aef\uff0c\u8fdb\u7a0b\u4e5f\u4f1a\u7ee7\u7eed\u8fd0\u884c\u3002<\/li>\n<li>\u793a\u4f8b\uff1a\n<pre><code class=\"language-bash\">nohup my_command &<\/code><\/pre>\n<\/li>\n<li>\u8fd0\u884c\u4e0a\u8ff0\u547d\u4ee4\u540e\uff0c\u8fdb\u7a0b\u4f1a\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u7ec8\u7aef\u5173\u95ed\u540e\u8fdb\u7a0b\u4e0d\u4f1a\u88ab\u7ec8\u6b62\uff0c\u8f93\u51fa\u4f1a\u88ab\u91cd\u5b9a\u5411\u5230 <code>nohup.out<\/code> \u6587\u4ef6\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528 <code>setsid<\/code> \u547d\u4ee4<\/strong>:<\/p>\n<ul>\n<li><code>setsid<\/code> \u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u4f1a\u8bdd\uff0c\u5e76\u5c06\u8fdb\u7a0b\u4e0e\u5f53\u524d\u7ec8\u7aef\u5206\u79bb\uff0c\u4f7f\u5176\u5b8c\u5168\u72ec\u7acb\u3002<\/li>\n<li>\u793a\u4f8b\uff1a\n<pre><code class=\"language-bash\">setsid my_command<\/code><\/pre>\n<\/li>\n<li>\u8be5\u547d\u4ee4\u8fd0\u884c\u7684\u8fdb\u7a0b\u4f1a\u5b8c\u5168\u72ec\u7acb\uff0c\u4e0d\u53d7\u7ec8\u7aef\u548c\u7236\u8fdb\u7a0b\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5728\u7f16\u7a0b\u4e2d\u5b9e\u73b0 detached \u6a21\u5f0f<\/strong>:<\/p>\n<ul>\n<li>\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u76f8\u5173\u7684\u7cfb\u7edf API \u5c06\u8fdb\u7a0b\u4e0e\u7236\u8fdb\u7a0b\u6216\u7ec8\u7aef\u5206\u79bb\u3002\u4f8b\u5982\uff0c\u5728 Unix \u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>fork()<\/code> \u8fdb\u884c\u8fdb\u7a0b\u5206\u79bb\uff0c\u521b\u5efa\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\uff08daemon\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong>Detached \u6a21\u5f0f\u7684\u5e94\u7528\u573a\u666f<\/strong><\/h3>\n<ul>\n<li><strong>\u5b88\u62a4\u8fdb\u7a0b<\/strong>: \u7cfb\u7edf\u4e2d\u7684\u8bb8\u591a\u5b88\u62a4\u8fdb\u7a0b\uff08\u5982 <code>sshd<\/code>, <code>cron<\/code> \u7b49\uff09\u90fd\u4ee5 detached \u6a21\u5f0f\u8fd0\u884c\u3002<\/li>\n<li><strong>\u540e\u53f0\u670d\u52a1<\/strong>: \u957f\u671f\u8fd0\u884c\u7684\u540e\u53f0\u4efb\u52a1\uff0c\u5982\u65e5\u5fd7\u6536\u96c6\u3001\u6570\u636e\u5904\u7406\u7b49\uff0c\u901a\u5e38\u9700\u8981\u4ee5 detached \u6a21\u5f0f\u8fd0\u884c\u3002<\/li>\n<li><strong>\u81ea\u52a8\u5316\u811a\u672c<\/strong>: \u67d0\u4e9b\u81ea\u52a8\u5316\u4efb\u52a1\u9700\u8981\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u5c31\u72ec\u7acb\u8fd0\u884c\uff0c\u5e76\u4e14\u4e0e\u7528\u6237\u767b\u5f55\u72b6\u6001\u65e0\u5173\u3002<\/li>\n<\/ul>\n<h3><strong>\u603b\u7ed3<\/strong><\/h3>\n<p>\u8fdb\u7a0b\u7684 detached \u6a21\u5f0f\u662f\u6307\u8fdb\u7a0b\u5728\u540e\u53f0\u72ec\u7acb\u8fd0\u884c\uff0c\u4e0e\u542f\u52a8\u5b83\u7684\u7ec8\u7aef\u6216\u7236\u8fdb\u7a0b\u5206\u79bb\u3002\u5b83\u9002\u7528\u4e8e\u9700\u8981\u6301\u7eed\u8fd0\u884c\u3001\u4e0d\u53d7\u7528\u6237\u767b\u5f55\u72b6\u6001\u6216\u7ec8\u7aef\u5f71\u54cd\u7684\u4efb\u52a1\uff0c\u5982\u5b88\u62a4\u8fdb\u7a0b\u548c\u540e\u53f0\u670d\u52a1\u3002\u901a\u8fc7 <code>nohup<\/code>\u3001<code>setsid<\/code> \u7b49\u547d\u4ee4\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0 detached \u6a21\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fdb\u7a0b\u7684 detached \u6a21\u5f0f \u662f\u6307\u8fdb\u7a0b\u5728\u540e\u53f0\u72ec\u7acb\u8fd0\u884c\uff0c\u4e0d\u4f9d\u8d56\u4e8e\u542f\u52a8\u5b83\u7684\u7ec8\u7aef\u6216\u7236\u8fdb\u7a0b\u3002\u5f53\u4e00\u4e2a\u8fdb\u7a0b\u4ee5 detac&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/t.n-years.com\/?p=6479\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[149],"tags":[],"class_list":["post-6479","post","type-post","status-publish","format-standard","hentry","category-149"],"_links":{"self":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6479"}],"version-history":[{"count":1,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6479\/revisions"}],"predecessor-version":[{"id":6480,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6479\/revisions\/6480"}],"wp:attachment":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}