{"author_name":"ryuichi1208","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryuichi1208.hateblo.jp%2Fentry%2F2022%2F06%2F29%2F235254\" title=\"\u3010Linux\u3011open\u6e08\u307f\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u30d5\u30e9\u30b0\u3092\u898b\u308b - \u5730\u65b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u7fd2\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/ryuichi1208/","categories":[],"provider_url":"https://hatena.blog","blog_title":"\u5730\u65b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u7fd2\u65e5\u8a18","url":"https://ryuichi1208.hateblo.jp/entry/2022/06/29/235254","height":"190","image_url":null,"published":"2022-06-29 23:52:54","blog_url":"https://ryuichi1208.hateblo.jp/","title":"\u3010Linux\u3011open\u6e08\u307f\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u30d5\u30e9\u30b0\u3092\u898b\u308b","version":"1.0","type":"rich","description":"/proc/${PID}/fdinfo/${fd} \u3067\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002flags\u306fopen\u306b\u6307\u5b9a\u3067\u304d\u308b\u30d5\u30e9\u30b0\u306e\u5024\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3002pos\u3067\u30d5\u30a1\u30a4\u30eb\u30aa\u30d5\u30bb\u30c3\u30c8\u3082\u53d6\u5f97\u3067\u304d\u308b\u306e\u306f\u4f55\u304b\u306b\u4f7f\u3048\u305d\u3046\uff1f\u3068\u306a\u3063\u305f\u3002(\u30d5\u30a1\u30a4\u30eb\u3092\u5148\u982d\u304b\u3089\u8aad\u307f\u8fbc\u3093\u3067\u4f55\u304b\u3092\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u9014\u4e2d\u3067\u523a\u3055\u3063\u3066\u52d5\u304b\u306a\u3044\u307f\u305f\u3044\u306a\u30b1\u30fc\u30b9\u3067\u3069\u3053\u307e\u3067\u8aad\u3093\u3060\u306e\uff1f\u3092\u7279\u5b9a\u3057\u3066truncate\u3057\u305f\u308a\u3068\u304b\u304b\u306a\uff1f) $ cat /proc/12015/fdinfo/4 pos: 1000 flags: 01002002 \u3082\u3061\u308d\u3093\u3053\u306e\u8fba\u306e\u8a71\u306fman\u306b\u3082\u66f8\u3044\u3066\u3042\u308b https://linuxjm.osdn.jp/html/LDP_man-pages/man5/p\u2026"}