{"id":85654,"date":"2024-03-21T05:58:18","date_gmt":"2024-03-20T20:58:18","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c-%e8%a8%80%e8%aa%9e%e3%81%ae-nanosleep-%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/"},"modified":"2024-04-05T17:01:57","modified_gmt":"2024-04-05T08:01:57","slug":"c-%e8%a8%80%e8%aa%9e%e3%81%ae-nanosleep-%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c-%e8%a8%80%e8%aa%9e%e3%81%ae-nanosleep-%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/","title":{"rendered":"C \u8a00\u8a9e\u306e nanosleep \u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306f\uff1f"},"content":{"rendered":"<p>C\u8a00\u8a9e\u306enanosleep()\u95a2\u6570\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u3092\u6307\u5b9a\u6642\u9593\u4e00\u6642\u505c\u6b62\u3057\u307e\u3059\u3002<\/p>\n<p>nanosleep \u95a2\u6570\u306f\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">nanosleep<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">const<\/span> <span class=\"hljs-keyword\">struct<\/span> timespec *req, <span class=\"hljs-keyword\">struct<\/span> timespec *rem)<\/span>;\r\n<\/code><\/pre>\n<p>\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u8aac\u660e\uff1a<\/p>\n<ol>\n<li>\u79d2\u3068\u30ca\u30ce\u79d2\u5358\u4f4d\u3067\u6307\u5b9a\u3055\u308c\u305f\u6642\u9593\u3092\u6307\u5b9a\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u4f11\u6b62\u3059\u308b\u6642\u9593\u3092\u6307\u5b9a\u3059\u308b\u3002timespec\u69cb\u9020\u4f53\u3067\u3042\u308a\u3001\u6b21\u306e2\u3064\u306e\u30e1\u30f3\u30d0\u30fc\u3092\u6301\u3064\u3002tv_sec: \u4f11\u6b62\u3059\u308b\u79d2\u6570\u3092\u6307\u5b9a\u3059\u308b\u3002<br \/>\ntv_nsec: \u4f11\u6b62\u3059\u308b\u30ca\u30ce\u79d2\u6570\u3092\u6307\u5b9a\u3059\u308b\u3002<\/li>\n<li>rem: \u30b7\u30b0\u30ca\u30eb\u306b\u3088\u308a\u95a2\u6570\u306e\u5b9f\u884c\u304c\u4e2d\u65ad\u3055\u308c\u305f\u5834\u5408\u3001\u6b8b\u308a\u306e\u6642\u9593\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002timespec \u69cb\u9020\u4f53\u3067\u3059\u3002<\/li>\n<\/ol>\n<p>\u95a2\u6570\u306e\u623b\u308a\u5024:<\/p>\n<ol>\n<li>\u95a2\u6570\u304c\u6b63\u5e38\u306b\u5b8c\u4e86\u3057\u305f\u5834\u5408\u306b\u306f 0 \u3092\u8fd4\u3059\u3002<\/li>\n<li>\u30b7\u30b0\u30ca\u30eb\u306b\u3088\u308a\u95a2\u6570\u304c\u4e2d\u65ad\u3055\u308c\u305f\u5834\u5408\u306f-1\u3092\u8fd4\u3057\u3001\u6b8b\u308a\u6642\u9593\u3092rem\u306b\u683c\u7d0d\u3059\u308b\u3002<\/li>\n<\/ol>\n<p>nanosleep\u95a2\u6570\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;time.h&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n\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-class\"><span class=\"hljs-keyword\">struct<\/span> <span class=\"hljs-title\">timespec<\/span> <span class=\"hljs-title\">req<\/span>, <span class=\"hljs-title\">rem<\/span>;<\/span>\r\n\r\n    req.tv_sec = <span class=\"hljs-number\">2<\/span>; <span class=\"hljs-comment\">\/\/ \u6682\u505c2\u79d2<\/span>\r\n    req.tv_nsec = <span class=\"hljs-number\">0<\/span>;\r\n\r\n    <span class=\"hljs-keyword\">if<\/span> (nanosleep(&amp;req, &amp;rem) == <span class=\"hljs-number\">-1<\/span>) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"nanosleep failed\\n\"<\/span>);\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">1<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Sleep complete\\n\"<\/span>);\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306f2\u79d2\u9593\u30b9\u30ea\u30fc\u30d7\u3057\u307e\u3059\u3002nanosleep \u95a2\u6570\u304c\u30b7\u30b0\u30ca\u30eb\u3067\u5272\u308a\u8fbc\u307e\u308c\u305f\u5834\u5408\u3001\u300cnanosleep failed\u300d\u3068\u5370\u5237\u3055\u308c\u3001\u5272\u308a\u8fbc\u307e\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u306f\u300cSleep complete\u300d\u3068\u5370\u5237\u3055\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u8a00\u8a9e\u306enanosleep()\u95a2\u6570\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u3092\u6307\u5b9a\u6642\u9593\u4e00\u6642\u505c\u6b62\u3057\u307e\u3059\u3002 nanosleep \u95a2\u6570\u306f\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002 int nanosleep(const struct timespec *req, [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-85654","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>C \u8a00\u8a9e\u306e nanosleep 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