{"id":6839,"date":"2018-04-09T23:51:13","date_gmt":"2018-04-09T14:51:13","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=6839"},"modified":"2018-04-09T23:53:40","modified_gmt":"2018-04-09T14:53:40","slug":"flock1-%e3%81%a7%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%83%87%e3%82%a3%e3%82%b9%e3%82%af%e3%83%aa%e3%83%97%e3%82%bf%e3%82%92%e6%8c%87%e5%ae%9a%e3%81%99%e3%82%8b%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%ae","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=6839","title":{"rendered":"flock(1) \u3067\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u6307\u5b9a\u3059\u308b\u4f7f\u3044\u65b9\u306e\u539f\u7406"},"content":{"rendered":"<p>flock(1) \u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002flock(2) \u3092\u4f7f\u3044\u3001\u30b3\u30de\u30f3\u30c9\u3092\u6392\u4ed6\u5236\u5fa1\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<blockquote>\n<pre>\r\n$ flock \/path\/to\/lockfile command...\r\n<\/pre>\n<\/blockquote>\n<p>\u3053\u308c\u3067 lockfile \u3092\u30ed\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u30b3\u30de\u30f3\u30c9\u3092\u6392\u4ed6\u5236\u5fa1\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u3053\u308c\u304c\u300c\u666e\u901a\u306e\u300d\u4f7f\u3044\u65b9\u306a\u308f\u3051\u3067\u3059\u304c\u3001\u3082\u3046\uff11\u3064\u3001 Linux \u3060\u3068\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u756a\u53f7\u3092\u6307\u5b9a\u3059\u308b\u4f7f\u3044\u65b9\u304c\u3042\u308a\u307e\u3059\uff08Linux \u4ee5\u5916\u3067\u4f7f\u3048\u308b\u304b\u3069\u3046\u304b\u306f\u8abf\u3079\u3066\u306a\u3044\uff09<\/p>\n<blockquote>\n<pre>\r\n#!\/bin\/sh\r\n(\r\n   flock 100\r\n   command...\r\n) 100>>\/path\/to\/lockfile\r\n<\/pre>\n<\/blockquote>\n<p>\u3053\u308c\u3082 lockfile \u3092 \u30ed\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u5f8c\u7d9a\u306e\u30b3\u30de\u30f3\u30c9\u7fa4\uff08\u4e38\u304b\u3063\u3053\u3067\u56f2\u3063\u305f\u90e8\u5206\uff09\u3092\u6392\u4ed6\u5236\u5fa1\u5b9f\u884c\u3057\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f<\/p>\n<blockquote>\n<pre>\r\n#!\/bin\/sh\r\nexec {LOCKFD}>>\/path\/to\/lockfile\r\nflock $LOCKFD\r\ncommand...\r\n<\/pre>\n<\/blockquote>\n<p>\u306a\u3069\u3068\u3057\u3066\u7a7a\u3044\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u756a\u53f7\u3092\u30ab\u30fc\u30cd\u30eb\u306b\u9078\u3070\u305b\u308b\u65b9\u304c\u5b89\u5168\u3067\u3059\u304c\u3002<\/p>\n<p>\u3068\u3082\u3042\u308c\u3001\u3053\u3063\u3061\u306e\u65b9\u304c\u67d4\u8edf\u6027\u304c\u3042\u308b\uff08\u305f\u3068\u3048\u3070\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u9014\u4e2d\u3067\u30a2\u30f3\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\uff09\u308f\u3051\u3067\u3059\u304c\u3001\u3053\u308c flock \u306f\u30ed\u30c3\u30af\u306b\u6210\u529f\u3057\u305f\u3089\u3059\u3050\u8fd4\u3063\u3066\u304f\u308b\uff08\u305d\u3046\u3067\u306a\u3044\u3068\u5f8c\u7d9a\u306e\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3067\u304d\u306a\u3044\uff09\u308f\u3051\u3067\u3001\u306a\u3093\u3067\u305d\u308c\u3067\u6392\u4ed6\u5236\u5fa1\u3067\u304d\u3066\u3044\u308b\u306e\u304b5\u5206\u307b\u3069\u60a9\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u306a\u3093\u3067\u6392\u4ed6\u5236\u5fa1\u3067\u304d\u308b\u306e\u304b\u3068\u3044\u3046\u3068\u3001<\/p>\n<ul>\n<li>flock \u3092\u5b9f\u884c\u3059\u308b\u969b\u3001\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u30c6\u30fc\u30d6\u30eb\u306f\u30b3\u30d4\u30fc\u3055\u308c\u308b\u3002\u4e0a\u8a18\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u8a00\u3046 100 \u756a\u306f\u6050\u3089\u304f close on exec \u30d5\u30e9\u30b0\u306f\u7acb\u3063\u3066\u306a\u3044\u306e\u3067\u3001\u5b50\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308b flock \u306b\u3082\u7d99\u627f\u3055\u308c\u308b\u3002<\/li>\n<li>flock \u304c 100 \u756a\u3092\u30ed\u30c3\u30af\u3059\u308b\u3002\u3053\u306e\u6642\u3001\u30ed\u30c3\u30af\u306f\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u756a\u53f7\u81ea\u4f53\u3067\u306f\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u304c\u6307\u3059\u30ab\u30fc\u30cd\u30eb\u5185\u306e\u69cb\u9020\u306b\u5bfe\u3057\u3066\u304b\u304b\u308b\u305f\u3081\u3001\u89aa\u30d7\u30ed\u30bb\u30b9\u3068\u30ed\u30c3\u30af\u6240\u6709\u6a29\u3092\u5171\u6709\u3057\u3066\u3044\u308b\u5f62\u306b\u306a\u308b\u3002<\/li>\n<li>flock \u304c\u7d42\u4e86\u3057\u3001\u89aa\u30d7\u30ed\u30bb\u30b9\uff08\u3060\u3051\uff09\u304c\u30ed\u30c3\u30af\u3092\u6301\u3063\u3066\u3044\u308b\u72b6\u614b\u306b\u306a\u308b\u3002<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u539f\u7406\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u6700\u8fd1\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u66f8\u3044\u3066\u306a\u3044\u306a\uff08\u30ef\u30f3\u30e9\u30a4\u30ca\u30fc\u306a\u3089\u305d\u308c\u306a\u308a\u306b\u66f8\u3044\u3066\u308b\u3051\u3069\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>flock(1) \u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002flock(2) \u3092\u4f7f\u3044\u3001\u30b3\u30de\u30f3\u30c9\u3092\u6392\u4ed6\u5236\u5fa1\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002 $ flock \/path\/to\/lockfile command&#8230; \u3053\u308c\u3067 lockfile \u3092\u30ed\u30c3\u30af\u30d5\u30a1\u30a4 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-6839","post","type-post","status-publish","format-standard","hentry","category-technology"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6839"}],"version-history":[{"count":4,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6839\/revisions"}],"predecessor-version":[{"id":6843,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6839\/revisions\/6843"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6839"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}