{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.tmtms.net%2Fentry%2F2016%2F03%2F11%2Fflock\" title=\"flock(LOCK_EX) \u3067 EBADF - tmtms \u306e\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","author_name":"tmtms","description":"\u3061\u3087\u3063\u3068\u30cf\u30de\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002 \u30d5\u30a1\u30a4\u30eb\u3092 flock() \u3067\u6392\u4ed6\u7684\u306b\u30ed\u30c3\u30af\u3059\u308b\u305f\u3081\u306b\u6b21\u306e\u3088\u3046\u306b\u3059\u308b\u3068\u6210\u529f\u3057\u307e\u3059\u3002 % ruby -e 'File.open(\"hoge\").flock(File::LOCK_EX); puts \"OK\"' OK \u304c\u3001NFS \u4e0a\u3067\u540c\u3058\u3053\u3068\u3092\u3084\u308b\u3068\u5931\u6557\u3057\u307e\u3059\u3002 % ruby -e 'File.open(\"hoge\").flock(File::LOCK_EX); puts \"OK\"' -e:1:in `flock': Bad file descriptor @ rb_file_flock - hoge (Errno::EBADF) from -e:1:in `<main\u2026","image_url":null,"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","width":"100%","published":"2016-03-12 01:17:14","url":"https://blog.tmtms.net/entry/2016/03/11/flock","author_url":"https://blog.hatena.ne.jp/tmtms/","title":"flock(LOCK_EX) \u3067 EBADF","type":"rich","blog_title":"tmtms \u306e\u30e1\u30e2","blog_url":"https://blog.tmtms.net/","categories":["Linux","NFS","Ruby"],"version":"1.0"}