{"id":210665,"date":"2023-12-22T07:34:16","date_gmt":"2023-12-21T23:34:16","guid":{"rendered":"https:\/\/www.idc.net\/help\/210665\/"},"modified":"2023-12-22T07:34:16","modified_gmt":"2023-12-21T23:34:16","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9amkfifo-%e5%88%b6%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:\/\/idc.net\/help\/210665\/","title":{"rendered":"Linux \u547d\u4ee4\uff1amkfifo &#8211; \u5236\u4f5c FIFO\uff08\u547d\u540d\u7ba1\u9053\uff09"},"content":{"rendered":"<p><title id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9amkfifo-%e5%88%b6%e4%bd%9c-fifo%ef%bc%88%e5%91%bd%e5%90%8d%e7%ae%a1%e9%81%93%ef%bc%89-ogAgBWEPhm\">Linux \u547d\u4ee4\uff1amkfifo - \u5236\u4f5c FIFO\uff08\u547d\u540d\u7ba1\u9053\uff09<\/title><\/p>\n<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9amkfifo-%e5%88%b6%e4%bd%9c-fifo%ef%bc%88%e5%91%bd%e5%90%8d%e7%ae%a1%e9%81%93%ef%bc%89-ogAgBWEPhm\">Linux \u547d\u4ee4\uff1amkfifo - \u5236\u4f5c FIFO\uff08\u547d\u540d\u7ba1\u9053\uff09<\/h1>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0cmkfifo\u547d\u4ee4\u7528\u4e8e\u521b\u5efaFIFO\uff08First In First Out\uff09\u6216\u8005\u79f0\u4e3a\u547d\u540d\u7ba1\u9053\u3002FIFO\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u6587\u4ef6\uff0c\u7528\u4e8e\u8fdb\u7a0b\u95f4\u901a\u4fe1\u3002\u5b83\u5141\u8bb8\u4e00\u4e2a\u8fdb\u7a0b\u5411\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u53d1\u9001\u6570\u636e\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528\u4e34\u65f6\u6587\u4ef6\u6216\u8005\u5957\u63a5\u5b57\u3002<\/p>\n<h2 id=\"%e8%af%ad%e6%b3%95-ogAgBWEPhm\">\u8bed\u6cd5<\/h2>\n<p>mkfifo\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>mkfifo [\u9009\u9879] \u540d\u79f0<\/code><\/pre>\n<h2 id=\"%e9%80%89%e9%a1%b9-ogAgBWEPhm\">\u9009\u9879<\/h2>\n<ul>\n<li><code>-m, --mode=\u6a21\u5f0f<\/code>\uff1a\u8bbe\u7f6eFIFO\u7684\u6743\u9650\u6a21\u5f0f\u3002<\/li>\n<li><code>-Z, --context=\u5b89\u5168\u4e0a\u4e0b\u6587<\/code>\uff1a\u8bbe\u7f6eFIFO\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\u3002<\/li>\n<li><code>--help<\/code>\uff1a\u663e\u793a\u5e2e\u52a9\u4fe1\u606f\u5e76\u9000\u51fa\u3002<\/li>\n<li><code>--version<\/code>\uff1a\u663e\u793a\u7248\u672c\u4fe1\u606f\u5e76\u9000\u51fa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b-ogAgBWEPhm\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9bmkfifo\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>$ mkfifo myfifo\n$ ls -l myfifo\nprw-r--r-- 1 user user 0 1\u6708  1 00:00 myfifo<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528mkfifo\u547d\u4ee4\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3amyfifo\u7684FIFO\u3002\u901a\u8fc7ls\u547d\u4ee4\u53ef\u4ee5\u770b\u5230\uff0cmyfifo\u7684\u6587\u4ef6\u7c7b\u578b\u662fprw\uff0c\u8868\u793a\u5b83\u662f\u4e00\u4e2aFIFO\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8fifo%e8%bf%9b%e8%a1%8c%e8%bf%9b%e7%a8%8b%e9%97%b4%e9%80%9a%e4%bf%a1-ogAgBWEPhm\">\u4f7f\u7528FIFO\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1<\/h2>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528FIFO\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u793a\u4f8b\uff1a<\/p>\n<p><strong>\u8fdb\u7a0bA\uff1a<\/strong><\/p>\n<pre><code>$ mkfifo myfifo\n$ echo \"Hello from Process A\" &gt; myfifo<\/code><\/pre>\n<p><strong>\u8fdb\u7a0bB\uff1a<\/strong><\/p>\n<pre><code>$ cat myfifo<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u8fdb\u7a0bA\u4f7f\u7528echo\u547d\u4ee4\u5c06\u5b57\u7b26\u4e32\"Hello from Process A\"\u5199\u5165\u5230myfifo\u4e2d\u3002\u800c\u8fdb\u7a0bB\u4f7f\u7528cat\u547d\u4ee4\u4ecemyfifo\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u8fd9\u6837\uff0c\u8fdb\u7a0bA\u548c\u8fdb\u7a0bB\u5c31\u901a\u8fc7FIFO\u8fdb\u884c\u4e86\u901a\u4fe1\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-ogAgBWEPhm\">\u603b\u7ed3<\/h2>\n<p>mkfifo\u547d\u4ee4\u662fLinux\u7cfb\u7edf\u4e2d\u7528\u4e8e\u521b\u5efaFIFO\u7684\u547d\u4ee4\u3002\u901a\u8fc7FIFO\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u7684\u901a\u4fe1\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528\u4e34\u65f6\u6587\u4ef6\u6216\u8005\u5957\u63a5\u5b57\u3002\u4f7f\u7528mkfifo\u547d\u4ee4\u521b\u5efaFIFO\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u6307\u5b9aFIFO\u7684\u540d\u79f0\u5373\u53ef\u3002<\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u7a33\u5b9a\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u3002\u60a8\u53ef\u4ee5\u8bbf\u95ee<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u547d\u4ee4\uff1amkfifo - \u5236\u4f5c FIFO\uff08\u547d\u540d\u7ba1\u9053\uff09 Linux \u547d\u4ee4\uff1amkfifo - \u5236\u4f5c FI [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-210665","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=210665"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210665\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=210665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=210665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=210665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}