{"id":122665,"date":"2024-03-24T07:40:09","date_gmt":"2024-03-23T22:40:09","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/linux-%e3%83%a1%e3%83%83%e3%82%bb%e3%83%bc%e3%82%b8%e3%82%ad%e3%83%a5%e3%83%bc%e3%81%ae%e8%87%aa%e5%8b%95%e6%b6%88%e5%8e%bb%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-27T05:39:30","modified_gmt":"2024-03-26T20:39:30","slug":"linux-%e3%83%a1%e3%83%83%e3%82%bb%e3%83%bc%e3%82%b8%e3%82%ad%e3%83%a5%e3%83%bc%e3%81%ae%e8%87%aa%e5%8b%95%e6%b6%88%e5%8e%bb%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/linux-%e3%83%a1%e3%83%83%e3%82%bb%e3%83%bc%e3%82%b8%e3%82%ad%e3%83%a5%e3%83%bc%e3%81%ae%e8%87%aa%e5%8b%95%e6%b6%88%e5%8e%bb%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Linux \u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306e\u81ea\u52d5\u6d88\u53bb\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Linux\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306e\u81ea\u52d5\u524a\u9664\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306f\u3001\u9069\u5207\u306a\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002msgget()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u4f5c\u6210\u3067\u304d\u3001\u547c\u3073\u51fa\u3057\u306e\u969b\u306bIPC_CREAT\u3068\u9069\u5207\u306a\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u30d5\u30e9\u30b0\u3001\u4f8b\u3048\u3070\u8aad\u307f\u66f8\u304d\u6a29\u9650\u3092\u8868\u30590666\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d42\u4e86\u3055\u305b\u308b\u3068\u304d\u306b\u3001msgctl() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d42\u4e86\u3059\u308b\u3068\u304d\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u30b3\u30fc\u30c9\u5185\u3067\u3001msgctl() \u95a2\u6570\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306e ID \u3068 IPC_RMID \u30d5\u30e9\u30b0\u3092\u6e21\u3059\u3053\u3068\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u524a\u9664\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u7570\u5e38\u7d42\u4e86\u3059\u308b\u969b\u306b\u3001SIGINT\u3084SIGTERM\u4fe1\u53f7\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3066\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u524a\u9664\u3059\u308bmsgctl()\u95a2\u6570\u3092\u30b7\u30b0\u30ca\u30eb\u30cf\u30f3\u30c9\u30e9\u3067\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u3060\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u306b\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u9000\u51fa\u6642\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u81ea\u52d5\u7834\u68c4\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdlib.h&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;sys\/types.h&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;sys\/ipc.h&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;sys\/msg.h&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">define<\/span> MSG_SIZE 128<\/span>\r\n<span class=\"hljs-keyword\">typedef<\/span> <span class=\"hljs-class\"><span class=\"hljs-keyword\">struct<\/span> {<\/span>\r\n<span class=\"hljs-type\">long<\/span> mtype;\r\n<span class=\"hljs-type\">char<\/span> mtext[MSG_SIZE];\r\n} msgbuf;\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">()<\/span> {\r\n<span class=\"hljs-type\">int<\/span> msqid;\r\n<span class=\"hljs-type\">key_t<\/span> key;\r\nmsgbuf buf;\r\n<span class=\"hljs-comment\">\/\/ \u521b\u5efa\u6d88\u606f\u961f\u5217<\/span>\r\nkey = ftok(<span class=\"hljs-string\">\".\"<\/span>, <span class=\"hljs-string\">'m'<\/span>);\r\nmsqid = msgget(key, IPC_CREAT | <span class=\"hljs-number\">0666<\/span>);\r\n<span class=\"hljs-keyword\">if<\/span> (msqid == <span class=\"hljs-number\">-1<\/span>) {\r\nperror(<span class=\"hljs-string\">\"msgget\"<\/span>);\r\n<span class=\"hljs-built_in\">exit<\/span>(<span class=\"hljs-number\">1<\/span>);\r\n}\r\n<span class=\"hljs-comment\">\/\/ \u5411\u6d88\u606f\u961f\u5217\u53d1\u9001\u6d88\u606f<\/span>\r\nbuf.mtype = <span class=\"hljs-number\">1<\/span>;\r\n<span class=\"hljs-built_in\">snprintf<\/span>(buf.mtext, MSG_SIZE, <span class=\"hljs-string\">\"Hello, Message Queue!\"<\/span>);\r\n<span class=\"hljs-keyword\">if<\/span> (msgsnd(msqid, &amp;buf, <span class=\"hljs-keyword\">sizeof<\/span>(buf.mtext), <span class=\"hljs-number\">0<\/span>) == <span class=\"hljs-number\">-1<\/span>) {\r\nperror(<span class=\"hljs-string\">\"msgsnd\"<\/span>);\r\n<span class=\"hljs-built_in\">exit<\/span>(<span class=\"hljs-number\">1<\/span>);\r\n}\r\n<span class=\"hljs-comment\">\/\/ \u7b49\u5f85\u7528\u6237\u8f93\u5165\u4efb\u610f\u5b57\u7b26\uff0c\u7136\u540e\u9000\u51fa\u7a0b\u5e8f<\/span>\r\n<span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Press enter to exit...\"<\/span>);\r\ngetchar();\r\n<span class=\"hljs-comment\">\/\/ \u5220\u9664\u6d88\u606f\u961f\u5217<\/span>\r\n<span class=\"hljs-keyword\">if<\/span> (msgctl(msqid, IPC_RMID, <span class=\"hljs-literal\">NULL<\/span>) == <span class=\"hljs-number\">-1<\/span>) {\r\nperror(<span class=\"hljs-string\">\"msgctl\"<\/span>);\r\n<span class=\"hljs-built_in\">exit<\/span>(<span class=\"hljs-number\">1<\/span>);\r\n}\r\n<span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001msgget() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u4f5c\u6210\u3057\u3001msgsnd() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u4efb\u610f\u306e\u30ad\u30fc\u5165\u3092\u5f85\u3063\u305f\u5f8c\u3001msgctl() \u95a2\u6570\u3092\u5b9f\u884c\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u7d42\u4e86\u6642\u306b\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u304c\u81ea\u52d5\u7684\u306b\u7834\u68c4\u3055\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306e\u81ea\u52d5\u524a\u9664\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 \u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306f\u3001\u9069\u5207\u306a\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002msgget()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u4f5c\u6210\u3067\u304d\u3001\u547c\u3073\u51fa [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-122665","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux \u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306e\u81ea\u52d5\u6d88\u53bb\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/linux-\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306e\u81ea\u52d5\u6d88\u53bb\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux \u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306e\u81ea\u52d5\u6d88\u53bb\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Linux\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306e\u81ea\u52d5\u524a\u9664\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 \u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306f\u3001\u9069\u5207\u306a\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002msgget()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3092\u4f5c\u6210\u3067\u304d\u3001\u547c\u3073\u51fa [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/linux-\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u306e\u81ea\u52d5\u6d88\u53bb\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-23T22:40:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-26T20:39:30+00:00\" \/>\n<meta name=\"author\" content=\"\u685c, \u6625\u6a39\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u685c, \u6625\u6a39\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u5206\" \/>\n<script type=\"application\/ld+json\" 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