{"id":44768,"date":"2024-10-06T18:01:15","date_gmt":"2024-10-06T10:01:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44768\/"},"modified":"2024-10-06T18:01:15","modified_gmt":"2024-10-06T10:01:15","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9amkfifo-%e8%a3%bd%e4%bd%9c-fifo%ef%bc%88%e5%91%bd%e5%90%8d%e7%ae%a1%e9%81%93%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44768\/","title":{"rendered":"Linux \u547d\u4ee4\uff1amkfifo &#8211; \u88fd\u4f5c FIFO\uff08\u547d\u540d\u7ba1\u9053\uff09"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9amkfifo-%e8%a3%bd%e4%bd%9c-fifo%ef%bc%88%e5%91%bd%e5%90%8d%e7%ae%a1%e9%81%93%ef%bc%89-uGogzTkSzf\">Linux \u547d\u4ee4\uff1amkfifo &#8211; \u88fd\u4f5c FIFO\uff08\u547d\u540d\u7ba1\u9053\uff09<\/h1>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u547d\u540d\u7ba1\u9053\uff08FIFO\uff09\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6587\u4ef6\u985e\u578b\uff0c\u5141\u8a31\u4e0d\u540c\u7684\u9032\u7a0b\u4e4b\u9593\u9032\u884c\u901a\u4fe1\u3002\u9019\u7a2e\u901a\u4fe1\u65b9\u5f0f\u662f\u55ae\u5411\u7684\uff0c\u610f\u5473\u8457\u6578\u64da\u53ea\u80fd\u5f9e\u4e00\u500b\u9032\u7a0b\u6d41\u5411\u53e6\u4e00\u500b\u9032\u7a0b\u3002\u4f7f\u7528\u547d\u4ee4 <code>mkfifo<\/code> \u53ef\u4ee5\u8f15\u9b06\u5730\u5275\u5efa\u9019\u7a2e\u547d\u540d\u7ba1\u9053\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>mkfifo<\/code> \u547d\u4ee4\u7684\u7528\u6cd5\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-fifo%ef%bc%88%e5%91%bd%e5%90%8d%e7%ae%a1%e9%81%93%ef%bc%89%ef%bc%9f-uGogzTkSzf\">\u4ec0\u9ebc\u662f FIFO\uff08\u547d\u540d\u7ba1\u9053\uff09\uff1f<\/h2>\n<p>FIFO\uff08First In, First Out\uff09\u662f\u4e00\u7a2e\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u6578\u64da\u7d50\u69cb\uff0c\u5141\u8a31\u6578\u64da\u5728\u9032\u7a0b\u4e4b\u9593\u4ee5\u6d41\u7684\u5f62\u5f0f\u50b3\u905e\u3002\u8207\u666e\u901a\u7684\u7ba1\u9053\u4e0d\u540c\uff0c\u547d\u540d\u7ba1\u9053\u6709\u4e00\u500b\u5177\u9ad4\u7684\u540d\u7a31\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u9032\u7a0b\u4e2d\u4f7f\u7528\u3002\u9019\u4f7f\u5f97 FIFO \u6210\u70ba\u9032\u7a0b\u9593\u901a\u4fe1\uff08IPC\uff09\u7684\u4e00\u500b\u91cd\u8981\u5de5\u5177\u3002<\/p>\n<h2 id=\"mkfifo-%e5%91%bd%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-uGogzTkSzf\">mkfifo \u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u8981\u5275\u5efa\u4e00\u500b\u547d\u540d\u7ba1\u9053\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>mkfifo [\u9078\u9805] FIFO_NAME<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>FIFO_NAME<\/code> \u662f\u4f60\u5e0c\u671b\u5275\u5efa\u7684\u547d\u540d\u7ba1\u9053\u7684\u540d\u7a31\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9078\u9805\uff1a<\/p>\n<ul>\n<li><code>-m<\/code>\uff1a\u8a2d\u7f6e\u65b0\u5275\u5efa\u7684 FIFO \u7684\u6b0a\u9650\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e5%91%bd%e5%90%8d%e7%ae%a1%e9%81%93-uGogzTkSzf\">\u793a\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u547d\u540d\u7ba1\u9053<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u60f3\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>myfifo<\/code> \u7684\u547d\u540d\u7ba1\u9053\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>mkfifo myfifo<\/code><\/pre>\n<p>\u9019\u6a23\u5c31\u6703\u5728\u7576\u524d\u76ee\u9304\u4e0b\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>myfifo<\/code> \u7684 FIFO \u6587\u4ef6\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-fifo-%e9%80%b2%e8%a1%8c%e9%80%b2%e7%a8%8b%e9%96%93%e9%80%9a%e4%bf%a1-uGogzTkSzf\">\u5982\u4f55\u4f7f\u7528 FIFO \u9032\u884c\u9032\u7a0b\u9593\u901a\u4fe1<\/h2>\n<p>\u5275\u5efa FIFO \u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b83\u4f86\u5be6\u73fe\u9032\u7a0b\u9593\u7684\u6578\u64da\u50b3\u8f38\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 FIFO \u9032\u884c\u901a\u4fe1\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8-fifo-%e5%82%b3%e9%81%9e%e6%b6%88%e6%81%af-uGogzTkSzf\">\u793a\u4f8b\uff1a\u4f7f\u7528 FIFO \u50b3\u905e\u6d88\u606f<\/h3>\n<p>\u9996\u5148\uff0c\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>myfifo<\/code> \u7684\u547d\u540d\u7ba1\u9053\uff1a<\/p>\n<pre><code>mkfifo myfifo<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u6253\u958b\u5169\u500b\u7d42\u7aef\u7a97\u53e3\u3002\u5728\u7b2c\u4e00\u500b\u7d42\u7aef\u4e2d\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8b80\u53d6 FIFO \u4e2d\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>cat myfifo<\/code><\/pre>\n<p>\u5728\u7b2c\u4e8c\u500b\u7d42\u7aef\u4e2d\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c07\u6578\u64da\u5beb\u5165 FIFO\uff1a<\/p>\n<pre><code>echo \"Hello, FIFO!\" &gt; myfifo<\/code><\/pre>\n<p>\u7b2c\u4e00\u500b\u7d42\u7aef\u5c07\u986f\u793a <code>Hello, FIFO!<\/code>\uff0c\u9019\u8868\u660e\u6578\u64da\u5df2\u6210\u529f\u5f9e\u7b2c\u4e8c\u500b\u7d42\u7aef\u50b3\u905e\u5230\u7b2c\u4e00\u500b\u7d42\u7aef\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-uGogzTkSzf\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 FIFO \u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u6c92\u6709\u9032\u7a0b\u5728\u8b80\u53d6 FIFO\uff0c\u5247\u5beb\u5165 FIFO \u7684\u9032\u7a0b\u5c07\u6703\u88ab\u963b\u585e\uff0c\u76f4\u5230\u6709\u9032\u7a0b\u958b\u59cb\u8b80\u53d6\u3002<\/li>\n<li>FIFO \u6587\u4ef6\u7684\u6b0a\u9650\u53ef\u4ee5\u901a\u904e <code>chmod<\/code> \u547d\u4ee4\u9032\u884c\u4fee\u6539\u3002<\/li>\n<li>\u5728\u4f7f\u7528 FIFO \u6642\uff0c\u78ba\u4fdd\u6b63\u78ba\u8655\u7406\u9032\u7a0b\u7684\u7d42\u6b62\uff0c\u4ee5\u907f\u514d\u8cc7\u6e90\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-uGogzTkSzf\">\u7e3d\u7d50<\/h2>\n<p>\u547d\u540d\u7ba1\u9053\uff08FIFO\uff09\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u9032\u7a0b\u9593\u901a\u4fe1\u5de5\u5177\uff0c\u80fd\u5920\u6709\u6548\u5730\u5728\u4e0d\u540c\u9032\u7a0b\u4e4b\u9593\u50b3\u905e\u6578\u64da\u3002\u901a\u904e\u4f7f\u7528 <code>mkfifo<\/code> \u547d\u4ee4\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u8f15\u9b06\u5275\u5efa FIFO \u6587\u4ef6\uff0c\u4e26\u5229\u7528\u5176\u7279\u6027\u9032\u884c\u6578\u64da\u50b3\u8f38\u3002\u7121\u8ad6\u662f\u5728\u958b\u767c\u9084\u662f\u7cfb\u7d71\u7ba1\u7406\u4e2d\uff0c\u638c\u63e1 FIFO \u7684\u4f7f\u7528\u90fd\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Linux \u547d\u4ee4 mkfifo\uff0c\u5b78\u7fd2\u5982\u4f55\u88fd\u4f5c FIFO\uff08\u547d\u540d\u7ba1\u9053\uff09\uff0c\u4ee5\u4fbf\u5728\u9032\u7a0b\u9593\u9032\u884c\u9ad8\u6548\u7684\u6578\u64da\u50b3\u8f38\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44768","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44768"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44768\/revisions"}],"predecessor-version":[{"id":44769,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44768\/revisions\/44769"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}