{"id":1014,"date":"2018-02-11T18:49:26","date_gmt":"2018-02-11T10:49:26","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1014"},"modified":"2018-02-11T18:49:26","modified_gmt":"2018-02-11T10:49:26","slug":"inotify%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1014","title":{"rendered":"Inotify\u673a\u5236"},"content":{"rendered":"<article>\n<h1 class=\"csdn_top\">Inotify\u673a\u5236<\/h1>\n<div class=\"article_bar clearfix\">\n<div class=\"artical_tag\"><span class=\"original\">\u539f\u521b\u00a0<\/span><span class=\"time\">2017\u5e7401\u670804\u65e5 14:14:13<\/span><\/div>\n<ul class=\"article_tags clearfix csdn-tracking-statistics tracking-click\" data-mod=\"popu_377\">\n<li class=\"tit\">\u6807\u7b7e\uff1a<\/li>\n<li><a href=\"http:\/\/so.csdn.net\/so\/search\/s.do?q=inotify&amp;t=blog\" target=\"_blank\" rel=\"noopener\">inotify<\/a><\/li>\n<\/ul>\n<ul class=\"right_bar\">\n<li><button class=\"btn-noborder\"><i class=\"icon iconfont icon-read\"><\/i><span class=\"txt\">860<\/span><\/button><\/li>\n<\/ul>\n<\/div>\n<div id=\"article_content\" class=\"article_content csdn-tracking-statistics tracking-click\" data-mod=\"popu_519\" data-dsm=\"post\">\n<div class=\"htmledit_views\">\n<h2><a name=\"t0\"><\/a>\u63cf\u8ff0<\/h2>\n<p>Inotify API\u7528\u4e8e\u68c0\u6d4b\u6587\u4ef6\u7cfb\u7edf\u53d8\u5316\u7684\u673a\u5236\u3002Inotify\u53ef\u7528\u4e8e\u68c0\u6d4b\u5355\u4e2a\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u68c0\u6d4b\u6574\u4e2a\u76ee\u5f55\u3002\u5f53\u68c0\u6d4b\u7684\u5bf9\u8c61\u662f\u4e00\u4e2a\u76ee\u5f55\u7684\u65f6\u5019\uff0c\u76ee\u5f55\u672c\u8eab\u548c\u76ee\u5f55\u91cc\u7684\u5185\u5bb9\u90fd\u4f1a\u6210\u4e3a\u68c0\u6d4b\u7684\u5bf9\u8c61\u3002<\/p>\n<p>\u6b64\u79cd\u673a\u5236\u7684\u51fa\u73b0\u7684\u76ee\u7684\u662f\u5f53\u5185\u6838\u7a7a\u95f4\u53d1\u751f\u67d0\u79cd\u4e8b\u4ef6\u4e4b\u540e\uff0c\u53ef\u4ee5\u7acb\u5373\u901a\u77e5\u5230\u7528\u6237\u7a7a\u95f4\u3002\u65b9\u4fbf\u7528\u6237\u505a\u51fa\u5177\u4f53\u7684\u64cd\u4f5c\u3002<\/p>\n<h2><a name=\"t1\"><\/a>Inotify API<\/h2>\n<ul>\n<li>inotify_init(void)<\/li>\n<\/ul>\n<p>\u7528\u4e8e\u521b\u5efa\u4e00\u4e2ainotify\u7684\u5b9e\u4f8b\uff0c\u7136\u540e\u8fd4\u56deinotify\u4e8b\u4ef6\u961f\u5217\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002 \u540c\u6837\u5185\u6838\u4e5f\u63d0\u4f9b\u4e86inotify_init1(int flags)\u63a5\u53e3\u51fd\u6570\uff0c\u5f53flag\u7b49\u4e8e0\u7684\u65f6\u5019\uff0c\u8be5\u51fd\u6570\u7b49\u4ef7\u4e8einotify_init(void)\u51fd\u6570\u3002<\/p>\n<ul>\n<li>inotify_add_watch(int fd, const char* pathname, uint32_t\u00a0 mask)<\/li>\n<\/ul>\n<p>\u8be5\u51fd\u6570\u7528\u4e8e\u6dfb\u52a0\u201cwatch list\u201d\uff0c\u4e5f\u5c31\u662f\u68c0\u6d4b\u5217\u8868\u3002 \u53ef\u4ee5\u662f\u4e00\u4e2a\u65b0\u7684watch\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a\u5df2\u7ecf\u5b58\u5728\u7684watch\u3002\u5176\u4e2dfd\u5c31\u662finotify_init\u7684\u8fd4\u56de\u503c\uff0cpathname\u662f\u8981\u68c0\u6d4b\u76ee\u5f55\u6216\u8005\u6587\u4ef6\u7684\u8def\u5f84\uff0cmask\u5c31\u662f\u8981\u68c0\u6d4b\u7684\u4e8b\u4ef6\u7c7b\u578b\u3002\u8be5\u51fd\u6570\u6210\u529f\u8fd4\u56de\u7684\u662f\u4e00\u4e2aunique\u7684watch\u63cf\u8ff0\u7b26\u3002<\/p>\n<ul>\n<li>inotify_rm_watch(int fd, int wd)<\/li>\n<\/ul>\n<p>\u7528\u4e8e\u4ecewatch list\u79cd\u79fb\u9664\u68c0\u6d4b\u7684\u5bf9\u8c61\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"t2\"><\/a>\u6570\u636e\u7ed3\u6784<\/h2>\n<p>\u5185\u6838\u4f7f\u7528struct inotify_event\u4ee3\u8868\u4e00\u4e2a\u6587\u4ef6\u4e8b\u4ef6\u3002\u5f53\u68c0\u6d4b\u7684\u6587\u4ef6\u5bf9\u8c61\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u4f7f\u7528read\u7cfb\u7edf\u8c03\u7528\u5c31\u4f1a\u8fd4\u56de\u4e00\u4e2a\u6216\u8005\u591a\u4e2ainotify_event\u7684\u6587\u4ef6\u4e8b\u4ef6\u5bf9\u8c61\u3002<\/p>\n<div class=\"dp-highlighter bg_csharp\">\n<div class=\"bar\">\n<div class=\"tools\"><b>[csharp]<\/b>\u00a0<a class=\"ViewSource\" title=\"view plain\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">view plain<\/a><span class=\"tracking-ad\" data-mod=\"popu_168\">\u00a0<a class=\"CopyToClipboard\" title=\"copy\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">copy<\/a><\/span><\/p>\n<div><embed id=\"ZeroClipboardMovie_1\" src=\"http:\/\/static.blog.csdn.net\/scripts\/ZeroClipboard\/ZeroClipboard.swf\" type=\"application\/x-shockwave-flash\" width=\"16\" height=\"16\" align=\"middle\" name=\"ZeroClipboardMovie_1\" data-mce-fragment=\"1\"><\/embed><\/div>\n<\/div>\n<\/div>\n<ol class=\"dp-c\" start=\"1\">\n<li class=\"alt\"><span class=\"keyword\">struct<\/span>\u00a0inotify_event\u00a0{<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0<span class=\"keyword\">int<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0wd;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u00a0Watch\u00a0descriptor\u00a0*\/<\/span><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0uint32_t\u00a0mask;\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u00a0Mask\u00a0of\u00a0events\u00a0*\/<\/span><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0uint32_t\u00a0cookie;\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u00a0Unique\u00a0cookie\u00a0associating\u00a0related<\/span><\/li>\n<li class=\"alt\"><span class=\"comment\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0events\u00a0(for\u00a0rename(2))\u00a0*\/<\/span><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0uint32_t\u00a0len;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u00a0Size\u00a0of\u00a0name\u00a0field\u00a0*\/<\/span><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0<span class=\"keyword\">char<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0name[];\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u00a0Optional\u00a0null-terminated\u00a0name\u00a0*\/<\/span><\/li>\n<li class=\"\">};<\/li>\n<\/ol>\n<\/div>\n<p><strong>.wd:<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5c31\u662f\u68c0\u6d4b\u7684\u5bf9\u8c61\u7684watch descriptor<\/p>\n<p><strong>.mask:<\/strong>\u00a0\u00a0\u00a0 \u68c0\u6d4b\u4e8b\u4ef6\u7684mask<\/p>\n<p><strong>.cookie:<\/strong>\u00a0 \u548crename\u4e8b\u4ef6\u76f8\u5173\u3002<\/p>\n<p><strong>.len:\u00a0<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 name\u5b57\u6bb5\u7684\u957f\u5ea6\u3002<\/p>\n<p><strong>.name:<\/strong>\u00a0\u00a0\u00a0 \u68c0\u6d4b\u5bf9\u8c61\u7684name\u3002<\/p>\n<p>\u53ef\u4ee5\u770b\u5230name\u5b57\u6bb5\u7684\u957f\u5ea6\u662f0\uff0c\u4e5f\u5c31\u662f\u53d8\u957f\u7684\u3002\u56e0\u4e3a\u68c0\u6d4b\u7684\u5bf9\u8c61\u7684name\u4e0d\u5b9a\uff0c\u4f7f\u7528\u53d8\u957f\u53ef\u4ee5\u65b9\u4fbf\u8bb0\u5f55\u68c0\u6d4b\u5bf9\u8c61\u7684name\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6709\u5173\u68c0\u6d4b\u7684\u4e8b\u4ef6\u7c7b\u578b\u5206\u4e3a\u597d\u51e0\u79cd\uff0c\u5982\u4e0b\uff1a<\/p>\n<div class=\"dp-highlighter bg_cpp\">\n<div class=\"bar\">\n<div class=\"tools\"><b>[cpp]<\/b>\u00a0<a class=\"ViewSource\" title=\"view plain\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">view plain<\/a><span class=\"tracking-ad\" data-mod=\"popu_168\">\u00a0<a class=\"CopyToClipboard\" title=\"copy\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">copy<\/a><\/span><\/p>\n<div><embed id=\"ZeroClipboardMovie_2\" src=\"http:\/\/static.blog.csdn.net\/scripts\/ZeroClipboard\/ZeroClipboard.swf\" type=\"application\/x-shockwave-flash\" width=\"16\" height=\"16\" align=\"middle\" name=\"ZeroClipboardMovie_2\" data-mce-fragment=\"1\"><\/embed><\/div>\n<\/div>\n<\/div>\n<ol class=\"dp-cpp\" start=\"1\">\n<li class=\"alt\">IN_ACCESS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0File\u00a0was\u00a0accessed\u00a0(read)\u00a0(*).<\/li>\n<li class=\"\">IN_ATTRIB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Metadata\u00a0\u00a0changed,\u00a0\u00a0e.g.,\u00a0\u00a0permissions,\u00a0timestamps,\u00a0extended<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0attributes,\u00a0link\u00a0count\u00a0(since\u00a0Linux\u00a02.6.25),\u00a0UID,\u00a0GID,\u00a0\u00a0etc.(*).<\/li>\n<li class=\"\">IN_CLOSE_WRITE\u00a0\u00a0\u00a0\u00a0File\u00a0opened\u00a0<span class=\"keyword\">for<\/span>\u00a0writing\u00a0was\u00a0closed\u00a0(*).<\/li>\n<li class=\"alt\">IN_CLOSE_NOWRITE\u00a0\u00a0File\u00a0not\u00a0opened\u00a0<span class=\"keyword\">for<\/span>\u00a0writing\u00a0was\u00a0closed\u00a0(*).<\/li>\n<li class=\"\">IN_CREATE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0File\/directory\u00a0created\u00a0in\u00a0watched\u00a0directory\u00a0(*).<\/li>\n<li class=\"alt\">IN_DELETE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0File\/directory\u00a0deleted\u00a0from\u00a0watched\u00a0directory\u00a0(*).<\/li>\n<li class=\"\">IN_DELETE_SELF\u00a0\u00a0\u00a0\u00a0Watched\u00a0file\/directory\u00a0was\u00a0itself\u00a0deleted.<\/li>\n<li class=\"alt\">IN_MODIFY\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0File\u00a0was\u00a0modified\u00a0(*).<\/li>\n<li class=\"\">IN_MOVE_SELF\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Watched\u00a0file\/directory\u00a0was\u00a0itself\u00a0moved.<\/li>\n<li class=\"alt\">IN_MOVED_FROM\u00a0\u00a0\u00a0\u00a0\u00a0File\u00a0moved\u00a0out\u00a0of\u00a0watched\u00a0directory\u00a0(*).<\/li>\n<li class=\"\">IN_MOVED_TO\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0File\u00a0moved\u00a0into\u00a0watched\u00a0directory\u00a0(*).<\/li>\n<li class=\"alt\">IN_OPEN\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0File\u00a0was\u00a0opened\u00a0(*).<\/li>\n<\/ol>\n<\/div>\n<p>\u6ce8\u91ca\u5199\u7684\u5f88\u6e05\u695a\uff0c\u4e0d\u518d\u4e00\u4e00\u89e3\u91ca\u4e86\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"t3\"><\/a>\u5b9e\u4f8b\u5206\u6790<\/h2>\n<div>\n<div class=\"dp-highlighter bg_cpp\">\n<div class=\"bar\">\n<div class=\"tools\"><b>[cpp]<\/b>\u00a0<a class=\"ViewSource\" title=\"view plain\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">view plain<\/a><span class=\"tracking-ad\" data-mod=\"popu_168\">\u00a0<a class=\"CopyToClipboard\" title=\"copy\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">copy<\/a><\/span><\/p>\n<div><embed id=\"ZeroClipboardMovie_3\" src=\"http:\/\/static.blog.csdn.net\/scripts\/ZeroClipboard\/ZeroClipboard.swf\" type=\"application\/x-shockwave-flash\" width=\"16\" height=\"16\" align=\"middle\" name=\"ZeroClipboardMovie_3\" data-mce-fragment=\"1\"><\/embed><\/div>\n<\/div>\n<\/div>\n<ol class=\"dp-cpp\" start=\"1\">\n<li class=\"alt\"><span class=\"preprocessor\">#include\u00a0&lt;sys\/inotify.h&gt;<\/span><\/li>\n<li class=\"\"><span class=\"preprocessor\">#include\u00a0&lt;unistd.h&gt;<\/span><\/li>\n<li class=\"alt\"><span class=\"preprocessor\">#include\u00a0&lt;string.h&gt;<\/span><\/li>\n<li class=\"\"><span class=\"preprocessor\">#include\u00a0&lt;stdio.h&gt;<\/span><\/li>\n<li class=\"alt\"><\/li>\n<li class=\"\"><span class=\"comment\">\/*<\/span><\/li>\n<li class=\"alt\"><span class=\"comment\">struct\u00a0inotify_event\u00a0{<\/span><\/li>\n<li class=\"\"><span class=\"comment\">\u00a0\u00a0\u00a0int\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0wd;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u00a0Watch\u00a0descriptor\u00a0<\/span><\/li>\n<li class=\"alt\"><span class=\"comment\">\u00a0\u00a0\u00a0uint32_t\u00a0mask;\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u00a0Mask\u00a0of\u00a0events\u00a0<\/span><\/li>\n<li class=\"\"><span class=\"comment\">\u00a0\u00a0\u00a0uint32_t\u00a0cookie;\u00a0\u00a0\u00a0\/\/\u00a0Unique\u00a0cookie\u00a0associating\u00a0related\u00a0\u00a0events\u00a0(for\u00a0rename(2))<\/span><\/li>\n<li class=\"alt\"><span class=\"comment\">\u00a0\u00a0\u00a0uint32_t\u00a0len;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u00a0Size\u00a0of\u00a0name\u00a0field\u00a0<\/span><\/li>\n<li class=\"\"><span class=\"comment\">\u00a0\u00a0\u00a0char\u00a0\u00a0\u00a0\u00a0\u00a0name[];\u00a0\u00a0\u00a0\/\/\u00a0Optional\u00a0null-terminated\u00a0name\u00a0<\/span><\/li>\n<li class=\"alt\"><span class=\"comment\">};<\/span><\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\"><span class=\"comment\">*\/<\/span><\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\"><span class=\"datatypes\">int<\/span>\u00a0watch_inotify_events(<span class=\"datatypes\">int<\/span>\u00a0fd)<\/li>\n<li class=\"\">{<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"datatypes\">char<\/span>\u00a0event_buf[512];<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0<span class=\"datatypes\">int<\/span>\u00a0ret;<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"datatypes\">int<\/span>\u00a0event_pos\u00a0=\u00a00;<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0<span class=\"datatypes\">int<\/span>\u00a0event_size\u00a0=\u00a00;<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">struct<\/span>\u00a0inotify_event\u00a0*event;<\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u8bfb\u4e8b\u4ef6\u662f\u5426\u53d1\u751f\uff0c\u6ca1\u6709\u53d1\u751f\u5c31\u4f1a\u963b\u585e*\/<\/span><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0ret\u00a0=\u00a0read(fd,\u00a0event_buf,\u00a0<span class=\"keyword\">sizeof<\/span>(event_buf));<\/li>\n<li class=\"alt\"><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u5982\u679cread\u7684\u8fd4\u56de\u503c\uff0c\u5c0f\u4e8einotify_event\u5927\u5c0f\u51fa\u73b0\u9519\u8bef*\/<\/span><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">if<\/span>(ret\u00a0&lt;\u00a0(<span class=\"datatypes\">int<\/span>)<span class=\"keyword\">sizeof<\/span>(<span class=\"keyword\">struct<\/span>\u00a0inotify_event))<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0{<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(<span class=\"string\">&#8220;counld\u00a0not\u00a0get\u00a0event!\\n&#8221;<\/span>);<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">return<\/span>\u00a0-1;<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u56e0\u4e3aread\u7684\u8fd4\u56de\u503c\u5b58\u5728\u4e00\u4e2a\u6216\u8005\u591a\u4e2ainotify_event\u5bf9\u8c61\uff0c\u9700\u8981\u4e00\u4e2a\u4e00\u4e2a\u53d6\u51fa\u6765\u5904\u7406*\/<\/span><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">while<\/span>(\u00a0ret\u00a0&gt;=\u00a0(<span class=\"datatypes\">int<\/span>)<span class=\"keyword\">sizeof<\/span>(<span class=\"keyword\">struct<\/span>\u00a0inotify_event)\u00a0)<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0{<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0event\u00a0=\u00a0(<span class=\"keyword\">struct<\/span>\u00a0inotify_event*)(event_buf\u00a0+\u00a0event_pos);<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">if<\/span>(event-&gt;len)<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">if<\/span>(event-&gt;mask\u00a0&amp;\u00a0IN_CREATE)<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(<span class=\"string\">&#8220;create\u00a0file:\u00a0%s\\n&#8221;<\/span>,event-&gt;name);<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">else<\/span><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(<span class=\"string\">&#8220;delete\u00a0file:\u00a0%s\\n&#8221;<\/span>,event-&gt;name);<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*event_size\u5c31\u662f\u4e00\u4e2a\u4e8b\u4ef6\u7684\u771f\u6b63\u5927\u5c0f*\/<\/span><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0event_size\u00a0=\u00a0<span class=\"keyword\">sizeof<\/span>(<span class=\"keyword\">struct<\/span>\u00a0inotify_event)\u00a0+\u00a0event-&gt;len;<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ret\u00a0-=\u00a0event_size;<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0event_pos\u00a0+=\u00a0event_size;<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">return<\/span>\u00a00;<\/li>\n<li class=\"\">}<\/li>\n<li class=\"alt\"><\/li>\n<li class=\"\"><span class=\"datatypes\">int<\/span>\u00a0main(<span class=\"datatypes\">int<\/span>\u00a0argc,\u00a0<span class=\"datatypes\">char<\/span>**\u00a0argv)<\/li>\n<li class=\"alt\">{<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0<span class=\"datatypes\">int<\/span>\u00a0InotifyFd;<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"datatypes\">int<\/span>\u00a0ret;<\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">if<\/span>\u00a0(argc\u00a0!=\u00a02)<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0{<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(<span class=\"string\">&#8220;Usage:\u00a0%s\u00a0&lt;dir&gt;\\n&#8221;<\/span>,\u00a0argv[0]);<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">return<\/span>\u00a0-1;<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*inotify\u521d\u59cb\u5316*\/<\/span><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0InotifyFd\u00a0=\u00a0inotify_init();<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">if<\/span>(\u00a0InotifyFd\u00a0==\u00a0-1)<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0{<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(<span class=\"string\">&#8220;inotify_init\u00a0error!\\n&#8221;<\/span>);<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">return<\/span>\u00a0-1;<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u6dfb\u52a0watch\u5bf9\u8c61*\/<\/span><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0ret\u00a0=\u00a0inotify_add_watch(InotifyFd,\u00a0argv[1],\u00a0IN_CREATE\u00a0|\u00a0\u00a0IN_DELETE);<\/li>\n<li class=\"alt\"><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u5904\u7406\u4e8b\u4ef6*\/<\/span><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0watch_inotify_events(InotifyFd);<\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u5220\u9664inotify\u7684watch\u5bf9\u8c61*\/<\/span><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">if<\/span>\u00a0(\u00a0inotify_rm_watch(InotifyFd,\u00a0ret)\u00a0==\u00a0-1)<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0{<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(<span class=\"string\">&#8220;notify_rm_watch\u00a0error!\\n&#8221;<\/span>);<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">return<\/span>\u00a0-1;<\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li class=\"alt\"><\/li>\n<li class=\"\">\u00a0\u00a0\u00a0\u00a0<span class=\"comment\">\/*\u5173\u95edinotify\u63cf\u8ff0\u7b26*\/<\/span><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0close(InotifyFd);<\/li>\n<li class=\"\"><\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">return<\/span>\u00a00;<\/li>\n<li class=\"\">}<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<div>1. \u00a0\u7f16\u8bd1\u4ee3\u7801<\/div>\n<div>\n<div class=\"dp-highlighter bg_cpp\">\n<div class=\"bar\">\n<div class=\"tools\"><b>[cpp]<\/b>\u00a0<a class=\"ViewSource\" title=\"view plain\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">view plain<\/a><span class=\"tracking-ad\" data-mod=\"popu_168\">\u00a0<a class=\"CopyToClipboard\" title=\"copy\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">copy<\/a><\/span><\/p>\n<div><embed id=\"ZeroClipboardMovie_4\" src=\"http:\/\/static.blog.csdn.net\/scripts\/ZeroClipboard\/ZeroClipboard.swf\" type=\"application\/x-shockwave-flash\" width=\"16\" height=\"16\" align=\"middle\" name=\"ZeroClipboardMovie_4\" data-mce-fragment=\"1\"><\/embed><\/div>\n<\/div>\n<\/div>\n<ol class=\"dp-cpp\" start=\"1\">\n<li class=\"alt\">gcc\u00a0inotify.c\u00a0-o\u00a0inotify<\/li>\n<\/ol>\n<\/div>\n<p>2. \u5728tmp\u76ee\u5f55\u4e0b\u521b\u5efatest\u76ee\u5f55<\/p><\/div>\n<div>\n<div class=\"dp-highlighter bg_cpp\">\n<div class=\"bar\">\n<div class=\"tools\"><b>[cpp]<\/b>\u00a0<a class=\"ViewSource\" title=\"view plain\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">view plain<\/a><span class=\"tracking-ad\" data-mod=\"popu_168\">\u00a0<a class=\"CopyToClipboard\" title=\"copy\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">copy<\/a><\/span><\/p>\n<div><embed id=\"ZeroClipboardMovie_5\" src=\"http:\/\/static.blog.csdn.net\/scripts\/ZeroClipboard\/ZeroClipboard.swf\" type=\"application\/x-shockwave-flash\" width=\"16\" height=\"16\" align=\"middle\" name=\"ZeroClipboardMovie_5\" data-mce-fragment=\"1\"><\/embed><\/div>\n<\/div>\n<\/div>\n<ol class=\"dp-cpp\" start=\"1\">\n<li class=\"alt\">mkdir\u00a0\/tmp\/test<\/li>\n<\/ol>\n<\/div>\n<p>3. \u00a0\u68c0\u6d4b\/tmp\/test\u76ee\u5f55\uff0c\u4f7f\u7528inotify\u673a\u5236<\/p><\/div>\n<div>\n<div class=\"dp-highlighter bg_cpp\">\n<div class=\"bar\">\n<div class=\"tools\"><b>[cpp]<\/b>\u00a0<a class=\"ViewSource\" title=\"view plain\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">view plain<\/a><span class=\"tracking-ad\" data-mod=\"popu_168\">\u00a0<a class=\"CopyToClipboard\" title=\"copy\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">copy<\/a><\/span><\/p>\n<div><embed id=\"ZeroClipboardMovie_6\" src=\"http:\/\/static.blog.csdn.net\/scripts\/ZeroClipboard\/ZeroClipboard.swf\" type=\"application\/x-shockwave-flash\" width=\"16\" height=\"16\" align=\"middle\" name=\"ZeroClipboardMovie_6\" data-mce-fragment=\"1\"><\/embed><\/div>\n<\/div>\n<\/div>\n<ol class=\"dp-cpp\" start=\"1\">\n<li class=\"alt\">.\/inotify\u00a0\/tmp\/test\u00a0&amp;<\/li>\n<\/ol>\n<\/div>\n<p>4. \u00a0\u5728\/tmp\/test\u4e0b\u521b\u5efa1.txt\u6587\u4ef6<\/p><\/div>\n<div>\n<div class=\"dp-highlighter bg_cpp\">\n<div class=\"bar\">\n<div class=\"tools\"><b>[cpp]<\/b>\u00a0<a class=\"ViewSource\" title=\"view plain\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">view plain<\/a><span class=\"tracking-ad\" data-mod=\"popu_168\">\u00a0<a class=\"CopyToClipboard\" title=\"copy\" href=\"http:\/\/blog.csdn.net\/longwang155069\/article\/details\/54016789#\">copy<\/a><\/span><\/p>\n<div><embed id=\"ZeroClipboardMovie_7\" src=\"http:\/\/static.blog.csdn.net\/scripts\/ZeroClipboard\/ZeroClipboard.swf\" type=\"application\/x-shockwave-flash\" width=\"16\" height=\"16\" align=\"middle\" name=\"ZeroClipboardMovie_7\" data-mce-fragment=\"1\"><\/embed><\/div>\n<\/div>\n<\/div>\n<ol class=\"dp-cpp\" start=\"1\">\n<li class=\"alt\">test$\u00a0touch\u00a0\/tmp\/test\/1.txt<\/li>\n<li class=\"\">create\u00a0file:\u00a01.txt<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<div><\/div>\n<\/div>\n<\/div>\n<\/article>\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<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Inotify\u673a\u5236 \u539f\u521b\u00a02017\u5e7401<\/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":[118],"class_list":["post-1014","post","type-post","status-publish","format-standard","hentry","tag-02-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1014","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=1014"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1014\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=1014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=1014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=1014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}