{"id":1139,"date":"2026-10-23T08:00:00","date_gmt":"2026-10-22T23:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1139"},"modified":"2026-10-22T15:38:22","modified_gmt":"2026-10-22T06:38:22","slug":"qs-linux-pipe-eof-writer-references-20261022","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1139","title":{"rendered":"Linux\u306e\u30d1\u30a4\u30d7\u3001\u7a7a\u306a\u306e\u306b\u8aad\u307f\u53d6\u308a\u304c\u7d42\u308f\u3089\u306a\u3044\u7406\u7531"},"content":{"rendered":"<p>\u30d1\u30a4\u30d7\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u7d9a\u3051\u308b\u51e6\u7406\u304c\u3001\u66f8\u304d\u624b\u306e\u4ed5\u4e8b\u304c\u7d42\u308f\u3063\u305f\u306e\u306b\u7d42\u4e86\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u539f\u56e0\u306e\u4e00\u3064\u306f\u3001\u3069\u3053\u304b\u306b\u66f8\u304d\u8fbc\u307f\u5074\u306e\u30d5\u30a1\u30a4\u30eb\u8a18\u8ff0\u5b50\u304c\u6b8b\u3063\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002Linux\u306e\u30d1\u30a4\u30d7\u3067\u306f\u3001\u300c\u3044\u307e\u4e2d\u8eab\u304c\u306a\u3044\u300d\u3068\u300c\u3053\u308c\u304b\u3089\u5148\u3082\u66f8\u304d\u8fbc\u307e\u308c\u306a\u3044\u300d\u3092\u533a\u5225\u3057\u307e\u3059\u3002\u3053\u306e\u9055\u3044\u304c\u3001\u8aad\u307f\u53d6\u308a\u3092\u5f85\u3064\u306e\u304b\u3001\u7d42\u7aef\u3092\u8fd4\u3059\u306e\u304b\u3092\u6c7a\u3081\u307e\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>\u30d1\u30a4\u30d7\u304c\u7a7a\u3067\u3082\u3001\u66f8\u304d\u8fbc\u307f\u5074\u3092\u53c2\u7167\u3059\u308b\u756a\u53f7\u304c\u6b8b\u3063\u3066\u3044\u308c\u3070\u3001\u901a\u5e38\u306e\u8aad\u307f\u53d6\u308a\u306f\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3092\u5f85\u3061\u307e\u3059\u3002<\/li>\n<li>\u66f8\u304d\u8fbc\u307f\u5074\u306e\u53c2\u7167\u304c\u3059\u3079\u3066\u9589\u3058\u3089\u308c\u3001\u6b8b\u3063\u305f\u30c7\u30fc\u30bf\u3082\u8aad\u307f\u5207\u3063\u305f\u5f8c\u306b\u3001\u6b63\u306e\u9577\u3055\u3092\u8981\u6c42\u3057\u305fread\u304c0\u3092\u8fd4\u3057\u3066EOF\u3092\u77e5\u3089\u305b\u307e\u3059\u3002<\/li>\n<li>\u89aa\u5b50\u30d7\u30ed\u30bb\u30b9\u3084\u8907\u88fd\u3057\u305f\u756a\u53f7\u306e\u9589\u3058\u5fd8\u308c\u306f\u3001\u7d42\u7aef\u3092\u5c4a\u304b\u306a\u304f\u3059\u308b\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002\u8aad\u307f\u53d6\u308a\u5074\u3060\u3051\u306e\u5f85\u3061\u6642\u9593\u3092\u8abf\u6574\u3059\u308b\u524d\u306b\u3001\u4e21\u7aef\u306e\u6240\u6709\u8005\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u30d1\u30a4\u30d7\u306f\u3001\u8aad\u307f\u53e3\u3068\u66f8\u304d\u53e3\u3092\u6301\u3064\u30d0\u30a4\u30c8\u5217<\/h2>\n<p>\u30d1\u30a4\u30d7\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u9593\u3067\u4e00\u65b9\u5411\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002\u4f5c\u6210\u3059\u308b\u3068\u3001\u8aad\u307f\u53d6\u308a\u7aef\u3068\u66f8\u304d\u8fbc\u307f\u7aef\u3092\u53c2\u7167\u3059\u308b\u4e8c\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u8a18\u8ff0\u5b50\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u66f8\u304d\u53e3\u306b\u6e21\u3057\u305f\u30d0\u30a4\u30c8\u5217\u3092\u3001\u8aad\u307f\u53e3\u304b\u3089\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u30d5\u30a1\u30a4\u30eb\u3068\u306e\u9055\u3044\u3068\u3057\u3066\u3001\u30d1\u30a4\u30d7\u306b\u306f\u3001\u4efb\u610f\u306e\u4f4d\u7f6e\u3078\u79fb\u52d5\u3057\u3066\u8aad\u307f\u76f4\u3059\u4ed5\u7d44\u307f\u304c\u3042\u308a\u307e\u305b\u3093\u3002<code style=\"overflow-wrap:anywhere;\">lseek()<\/code>\u3067\u4f4d\u7f6e\u3092\u52d5\u304b\u3059\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u30d1\u30a4\u30d7\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u533a\u5207\u308a\u3092\u4fdd\u6301\u3059\u308b\u901a\u4fe1\u8def\u3067\u306f\u306a\u304f\u3001\u30d0\u30a4\u30c8\u30b9\u30c8\u30ea\u30fc\u30e0\u3067\u3059\u3002\u300c\u4e00\u56de\u66f8\u3044\u305f\u5206\u3092\u4e00\u56de\u3067\u8aad\u307f\u53d6\u308c\u308b\u300d\u3068\u306f\u9650\u3089\u306a\u3044\u305f\u3081\u3001\u884c\u306e\u533a\u5207\u308a\u3084\u9577\u3055\u60c5\u5831\u306a\u3069\u306f\u3001\u5229\u7528\u3059\u308b\u5074\u306e\u898f\u5247\u3067\u6271\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001\u901a\u5e38\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u8aad\u307f\u53d6\u308a\u3092\u8003\u3048\u307e\u3059\u3002\u3053\u308c\u306f\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u304c\u307e\u3060\u306a\u3051\u308c\u3070\u5f85\u3064\u65b9\u5f0f\u3067\u3059\u3002<code style=\"overflow-wrap:anywhere;\">read(fd, buffer, count)<\/code>\u306e\u623b\u308a\u5024\u306f\u3001\u5b9f\u969b\u306b\u8aad\u307f\u53d6\u308c\u305f\u30d0\u30a4\u30c8\u6570\u3067\u3059\u3002\u8981\u6c42\u3057\u305fcount\u3088\u308a\u5c11\u306a\u304f\u3066\u3082\u3001\u305d\u308c\u3060\u3051\u3067\u30a8\u30e9\u30fc\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u672c\u7a3f\u3067EOF\u3092\u5224\u5b9a\u3059\u308b\u4f8b\u306f\u3001count\u306b\u6b63\u306e\u9577\u3055\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3067\u3059\u3002\u9577\u30550\u3092\u8981\u6c42\u3057\u305f\u8aad\u307f\u53d6\u308a\u3068\u6df7\u540c\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u7a7a\u306e\u30d1\u30a4\u30d7\u304c\u3001\u3059\u3050EOF\u306b\u306a\u3089\u306a\u3044\u7406\u7531<\/h2>\n<p>\u8aad\u307f\u53d6\u308a\u5074\u304b\u3089\u898b\u308b\u3068\u3001\u30d1\u30a4\u30d7\u304c\u7a7a\u3067\u3042\u308b\u7406\u7531\u306f\u4e8c\u3064\u3042\u308a\u5f97\u307e\u3059\u3002\u66f8\u304d\u624b\u304c\u307e\u3060\u6b21\u306e\u30c7\u30fc\u30bf\u3092\u6e96\u5099\u3057\u3066\u3044\u308b\u5834\u5408\u3068\u3001\u3082\u3046\u8ab0\u3082\u66f8\u304d\u8fbc\u307e\u306a\u3044\u5834\u5408\u3067\u3059\u3002\u524d\u8005\u3067\u6bce\u56deEOF\u3092\u8fd4\u3059\u3068\u3001\u4e00\u6642\u7684\u306a\u7a7a\u304d\u3092\u901a\u4fe1\u306e\u7d42\u308f\u308a\u3068\u8aa4\u8a8d\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u30ab\u30fc\u30cd\u30eb\u306f\u66f8\u304d\u8fbc\u307f\u7aef\u3092\u53c2\u7167\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u8a18\u8ff0\u5b50\u304c\u6b8b\u3063\u3066\u3044\u308b\u304b\u3092\u6271\u3044\u307e\u3059\u3002\u7a7a\u3067\u3082\u66f8\u304d\u8fbc\u307f\u5074\u306e\u53c2\u7167\u304c\u4e00\u3064\u4ee5\u4e0a\u3042\u308c\u3070\u3001\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u8aad\u307f\u53d6\u308a\u306f\u30c7\u30fc\u30bf\u3092\u5f85\u3061\u307e\u3059\u3002\u53c2\u7167\u304c\u3059\u3079\u3066\u9589\u3058\u3089\u308c\u3066\u3044\u308c\u3070\u3001\u6b8b\u3063\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u5207\u3063\u305f\u5f8c\u3001<code style=\"overflow-wrap:anywhere;\">read()<\/code>\u304c0\u3092\u8fd4\u3057\u3066\u7d42\u7aef\u3001EOF\uff08end-of-file\uff09\u3092\u77e5\u3089\u305b\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u6570\u3048\u308b\u306e\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u4e0a\u306e\u300c\u66f8\u304d\u8fbc\u307f\u4ed5\u4e8b\u304c\u7d42\u308f\u3063\u305f\u300d\u3068\u3044\u3046\u6c17\u6301\u3061\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u66f8\u304d\u53e3\u306b\u5bfe\u3059\u308b\u53c2\u7167\u304c\u5b9f\u969b\u306b\u9589\u3058\u3089\u308c\u305f\u304b\u3069\u3046\u304b\u3067\u3059\u3002\u3082\u3046\u66f8\u304b\u306a\u3044\u51e6\u7406\u3067\u3042\u3063\u3066\u3082\u3001\u756a\u53f7\u3092\u958b\u3044\u305f\u307e\u307e\u6301\u3063\u3066\u3044\u308c\u3070\u3001\u8aad\u307f\u53d6\u308a\u5074\u306f\u7d42\u308f\u308a\u3092\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<h2>\u4e00\u3064\u9589\u3058\u3066\u3082\u3001\u3082\u3046\u4e00\u3064\u6b8b\u3063\u3066\u3044\u308c\u3070\u5f85\u3064<\/h2>\n<p>\u66f8\u304d\u8fbc\u307f\u5074\u3092\u53c2\u7167\u3059\u308b\u756a\u53f7\u304c\u4e8c\u3064\u3042\u308a\u3001\u30d1\u30a4\u30d7\u306b<code style=\"overflow-wrap:anywhere;\">ABC<\/code>\u3068\u3044\u30463\u30d0\u30a4\u30c8\u304c\u5165\u3063\u3066\u3044\u308b\u4f8b\u3092\u8003\u3048\u307e\u3059\u3002\u8aad\u307f\u53d6\u308a\u5074\u304c2\u30d0\u30a4\u30c8\u3092\u8981\u6c42\u3059\u308b\u3068\u3001\u307e\u305a<code style=\"overflow-wrap:anywhere;\">AB<\/code>\u3092\u53d7\u3051\u53d6\u308a\u3001<code style=\"overflow-wrap:anywhere;\">C<\/code>\u304c\u6b8b\u308a\u307e\u3059\u3002\u66f8\u304d\u8fbc\u307f\u5074\u306e\u756a\u53f7\u3092\u4e00\u3064\u9589\u3058\u305f\u5f8c\u3067\u3082\u3001\u3082\u3046\u4e00\u3064\u306e\u53c2\u7167\u306f\u6b8b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b2\u30d0\u30a4\u30c8\u3092\u8981\u6c42\u3057\u3001\u5229\u7528\u53ef\u80fd\u306a1\u30d0\u30a4\u30c8<code style=\"overflow-wrap:anywhere;\">C<\/code>\u3060\u3051\u3092\u53d7\u3051\u53d6\u308b\u5834\u5408\u3092\u8003\u3048\u307e\u3059\u3002\u3053\u306e\u77ed\u3044\u8aad\u307f\u53d6\u308a\u306f\u3001EOF\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u623b\u308a\u5024\u306f1\u3067\u3059\u3002\u3055\u3089\u306b\u8aad\u3080\u3068\u3001\u4eca\u5ea6\u306f\u4e2d\u8eab\u304c\u7a7a\u306a\u306e\u3067\u5f85\u3061\u307e\u3059\u3002\u6b8b\u3063\u3066\u3044\u305f\u6700\u5f8c\u306e\u66f8\u304d\u8fbc\u307f\u5074\u53c2\u7167\u3082\u9589\u3058\u308b\u3068\u3001\u305d\u306e\u5f85\u3061\u304c\u7d42\u7aef\u3068\u3057\u3066\u89e3\u3051\u30010\u304c\u8fd4\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"margin:24px 0;max-width:100%;\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-linux-pipe-eof-writer-references-20261022-figure-44786f4835f6.png\" alt=\"\u30d1\u30a4\u30d7\u306e\u8aad\u307f\u53d6\u308a\u6761\u4ef6\u3002\u672a\u8aad\u30c7\u30fc\u30bf\u304c\u3042\u308c\u3070\u8aad\u307f\u53d6\u308b\u3002\u7a7a\u3067\u66f8\u304d\u8fbc\u307f\u53c2\u7167\u304c\u6b8b\u308c\u3070\u5f85\u6a5f\u3002\u7a7a\u3067\u66f8\u304d\u8fbc\u307f\u53c2\u7167\u304c\u30bc\u30ed\u306a\u3089EOF\u3002\u6b63\u306e\u9577\u3055\u3092\u8981\u6c42\u3059\u308b\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u8aad\u307f\u53d6\u308a\u306e\u4f8b\u3002\" style=\"display:block;width:100%;max-width:100%;height:auto;\"\/><figcaption>\u6b63\u306e\u9577\u3055\u3092\u8981\u6c42\u3059\u308b\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u8aad\u307f\u53d6\u308a\u306e\u6574\u7406\u3002\u53c2\u7167\u304c\u306a\u304f\u3066\u3082\u672a\u8aad\u30c7\u30fc\u30bf\u304c\u3042\u308c\u3070\u3001\u5148\u306b\u305d\u306e\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u3002<\/figcaption><\/figure>\n<p>\u9006\u306b\u3001\u66f8\u304d\u8fbc\u307f\u5074\u3092\u3059\u3079\u3066\u9589\u3058\u305f\u77ac\u9593\u306b\u3001\u30d0\u30c3\u30d5\u30a1\u306e\u4e2d\u8eab\u304c\u6368\u3066\u3089\u308c\u308b\u308f\u3051\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u672a\u8aad\u306e<code style=\"overflow-wrap:anywhere;\">ABC<\/code>\u304c\u6b8b\u3063\u3066\u3044\u308c\u3070\u3001\u8aad\u307f\u53d6\u308a\u5074\u306f\u305d\u308c\u3092\u53d7\u3051\u53d6\u3063\u305f\u5f8c\u3067EOF\u3078\u9032\u307f\u307e\u3059\u3002\u300c\u6700\u5f8c\u306e\u66f8\u304d\u53e3\u3092\u9589\u3058\u305f\u300d\u3068\u300c\u6700\u5f8c\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u3093\u3060\u300d\u306f\u3001\u5225\u306e\u6642\u70b9\u3067\u3059\u3002<\/p>\n<h2>\u89aa\u5b50\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u4f7f\u308f\u306a\u3044\u7aef\u3092\u305d\u308c\u305e\u308c\u9589\u3058\u308b<\/h2>\n<p>\u30d1\u30a4\u30d7\u3092\u4f5c\u3063\u3066\u304b\u3089<code style=\"overflow-wrap:anywhere;\">fork()<\/code>\u3067\u89aa\u5b50\u306b\u5206\u304b\u308c\u308b\u69cb\u6210\u3067\u306f\u3001\u4e21\u8005\u306b\u30d1\u30a4\u30d7\u7aef\u306e\u53c2\u7167\u304c\u6b8b\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u89aa\u304c\u66f8\u304d\u624b\u3001\u5b50\u304c\u8aad\u307f\u624b\u306b\u306a\u308b\u306a\u3089\u3001\u89aa\u306f\u4f7f\u308f\u306a\u3044\u8aad\u307f\u53e3\u3001\u5b50\u306f\u4f7f\u308f\u306a\u3044\u66f8\u304d\u53e3\u3092\u9589\u3058\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u3046\u3048\u3067\u3001\u89aa\u306f\u30c7\u30fc\u30bf\u3092\u9001\u308a\u7d42\u3048\u305f\u3089\u3001\u81ea\u5206\u306e\u66f8\u304d\u53e3\u3092\u9589\u3058\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u5b50\u304c\u3001\u4f7f\u308f\u306a\u3044\u66f8\u304d\u53e3\u3092\u6301\u3061\u7d9a\u3051\u3066\u3044\u305f\u3089\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002\u89aa\u304c\u81ea\u5206\u306e\u66f8\u304d\u53e3\u3092\u9589\u3058\u3066\u3082\u3001\u5b50\u81ea\u8eab\u304c\u3082\u3046\u4e00\u3064\u306e\u66f8\u304d\u8fbc\u307f\u5074\u53c2\u7167\u3092\u4fdd\u6301\u3057\u3066\u3044\u307e\u3059\u3002\u5b50\u304c\u8aad\u307f\u53d6\u308a\u3067EOF\u3092\u5f85\u3064\u4e00\u65b9\u3001EOF\u304c\u5c4a\u304f\u6761\u4ef6\u3092\u5b50\u81ea\u8eab\u304c\u59a8\u3052\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30c7\u30fc\u30bf\u3092\u3082\u3063\u3068\u65e9\u304f\u8aad\u3080\u3060\u3051\u3067\u306f\u89e3\u6d88\u3057\u306a\u3044\u554f\u984c\u3067\u3059\u3002<\/p>\n<p>\u540c\u3058\u3053\u3068\u306f\u3001<code style=\"overflow-wrap:anywhere;\">dup()<\/code>\u306a\u3069\u3067\u756a\u53f7\u3092\u8907\u88fd\u3057\u305f\u5834\u5408\u306b\u3082\u8d77\u3053\u308a\u307e\u3059\u3002\u5143\u306e\u756a\u53f7\u3060\u3051\u3092\u9589\u3058\u3001\u8907\u88fd\u3057\u305f\u756a\u53f7\u3092\u6b8b\u3059\u3068\u3001\u66f8\u304d\u8fbc\u307f\u5074\u306e\u53c2\u7167\u306f\u306a\u304f\u306a\u308a\u307e\u305b\u3093\u3002\u51e6\u7406\u306e\u958b\u59cb\u6642\u3001\u6b63\u5e38\u7d42\u4e86\u6642\u3001\u9014\u4e2d\u306e\u5931\u6557\u6642\u306b\u3064\u3044\u3066\u3001\u3069\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u3069\u306e\u7aef\u3092\u9589\u3058\u308b\u304b\u3092\u5bfe\u5fdc\u4ed8\u3051\u3066\u304a\u304f\u3068\u3001\u5f85\u3061\u7d9a\u3051\u308b\u539f\u56e0\u3092\u8ffd\u3044\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5f85\u305f\u306a\u3044\u8aad\u307f\u53d6\u308a\u3068\u3001\u76f8\u624b\u304c\u6d88\u3048\u305f\u66f8\u304d\u8fbc\u307f<\/h2>\n<p><code style=\"overflow-wrap:anywhere;\">O_NONBLOCK<\/code>\u3092\u4f7f\u3046\u975e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u65b9\u5f0f\u3067\u306f\u3001\u7a7a\u306e\u30d1\u30a4\u30d7\u3067\u66f8\u304d\u8fbc\u307f\u5074\u306e\u53c2\u7167\u304c\u6b8b\u3063\u3066\u3044\u308b\u3068\u3001\u8aad\u307f\u53d6\u308a\u306f\u5f85\u3064\u4ee3\u308f\u308a\u306b<code style=\"overflow-wrap:anywhere;\">EAGAIN<\/code>\u3067\u5931\u6557\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u300c\u4eca\u306f\u30c7\u30fc\u30bf\u304c\u306a\u3044\u300d\u3068\u3044\u3046\u72b6\u614b\u3067\u3042\u308a\u30010\u304c\u8fd4\u308bEOF\u3068\u306f\u5206\u3051\u307e\u3059\u3002\u518d\u3073\u8aad\u307f\u53d6\u308b\u6a5f\u4f1a\u3092\u3069\u3046\u5f85\u3064\u304b\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u901a\u77e5\u306a\u3069\u3092\u4f7f\u3046\u5074\u306e\u8a2d\u8a08\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u53cd\u5bfe\u306b\u3001\u8aad\u307f\u53d6\u308a\u7aef\u3092\u53c2\u7167\u3059\u308b\u756a\u53f7\u304c\u3059\u3079\u3066\u9589\u3058\u3089\u308c\u305f\u5f8c\u306e\u66f8\u304d\u8fbc\u307f\u3067\u306f\u3001<code style=\"overflow-wrap:anywhere;\">SIGPIPE<\/code>\u30b7\u30b0\u30ca\u30eb\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u547c\u3073\u51fa\u3057\u5074\u304c\u3053\u306e\u30b7\u30b0\u30ca\u30eb\u3092\u7121\u8996\u3057\u3066\u3044\u308c\u3070\u3001<code style=\"overflow-wrap:anywhere;\">write()<\/code>\u306f<code style=\"overflow-wrap:anywhere;\">EPIPE<\/code>\u3067\u5931\u6557\u3057\u307e\u3059\u3002\u300c\u8aad\u8005\u304c\u3044\u306a\u3044\u300d\u3068\u300c\u30d0\u30c3\u30d5\u30a1\u304c\u6e80\u676f\u300d\u3082\u7570\u306a\u308b\u72b6\u614b\u3067\u3059\u3002\u30b7\u30b0\u30ca\u30eb\u306e\u6271\u3044\u3092\u542b\u3081\u3001\u901a\u5e38\u306e\u518d\u8a66\u884c\u3067\u56de\u5fa9\u3059\u308b\u5834\u9762\u306a\u306e\u304b\u3092\u5206\u3051\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h2>\u7d42\u4e86\u3057\u306a\u3044\u51e6\u7406\u3092\u8abf\u3079\u308b\u9806\u756a<\/h2>\n<p>\u307e\u305a\u3001\u672a\u8aad\u30c7\u30fc\u30bf\u304c\u6b8b\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u7a7a\u306a\u306e\u304b\u3092\u5206\u3051\u307e\u3059\u3002\u6b21\u306b\u3001\u66f8\u304d\u8fbc\u307f\u7aef\u3092\u8ab0\u304c\u6301\u3063\u3066\u3044\u308b\u304b\u3092\u8abf\u3079\u307e\u3059\u3002\u89aa\u3060\u3051\u3067\u306a\u304f\u3001\u5b50\u3001\u8907\u88fd\u3057\u305f\u756a\u53f7\u3001\u9014\u4e2d\u3067\u8d77\u52d5\u3057\u305f\u51e6\u7406\u3078\u6b8b\u3063\u305f\u53c2\u7167\u3082\u5bfe\u8c61\u3067\u3059\u3002\u305d\u306e\u5f8c\u3067\u3001\u8aad\u307f\u53d6\u308a\u304c\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306a\u306e\u304b\u975e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306a\u306e\u304b\u3001\u623b\u308a\u5024\u3068\u30a8\u30e9\u30fc\u3092\u3069\u3046\u6271\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u8aac\u660e\u56f3\u3068\u6570\u5024\u4f8b\u306f\u3001\u30d0\u30a4\u30c8\u5217\u3068\u53c2\u7167\u6570\u306b\u3088\u308b\u7c21\u5358\u306a\u72b6\u614b\u30e2\u30c7\u30eb\u3067\u3059\u3002\u5b9f\u6a5f\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3001\u30b7\u30b0\u30ca\u30eb\u5272\u8fbc\u307f\u3001\u6e80\u676f\u6642\u306e\u66f8\u304d\u8fbc\u307f\u9806\u5e8f\u3084\u6027\u80fd\u306f\u691c\u8a3c\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u30d1\u30a4\u30d7\u306e\u5bb9\u91cf\u3092\u5897\u3084\u3059\u8a71\u3068\u3082\u5206\u3051\u3066\u3044\u307e\u3059\u3002\u7d42\u4e86\u6761\u4ef6\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u4e2d\u5fc3\u306f\u3001\u30d0\u30c3\u30d5\u30a1\u304c\u7a7a\u304b\u3060\u3051\u3067\u306a\u304f\u3001\u3053\u308c\u304b\u3089\u66f8\u3051\u308b\u53c2\u7167\u304c\u6b8b\u3063\u3066\u3044\u308b\u304b\u3092\u898b\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<h2>\u51fa\u5178\u30fb\u53c2\u8003\u8cc7\u6599<\/h2>\n<ul>\n<li><a href=\"https:\/\/man7.org\/linux\/man-pages\/man7\/pipe.7.html\">Linux man-pages 6.19 \u2014 pipe(7)<\/a>\uff1aI\/O on pipes and FIFOs\u3001EOF\u3001SIGPIPE\/EPIPE\u3001\u672a\u4f7f\u7528\u7aef\u306eclose\u3001\u30d0\u30a4\u30c8\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u6027\u8cea\u3002<\/li>\n<li><a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/read.2.html\">Linux man-pages 6.19 \u2014 read(2)<\/a>\uff1aDESCRIPTION\u3001RETURN VALUE\u3001\u77ed\u3044\u8aad\u307f\u53d6\u308a\u3068EOF\u3002\u4e21\u8cc7\u6599\u306e\u63b2\u8f09HTML\u30922026\u5e7410\u670822\u65e5\u306b\u78ba\u8a8d\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u30d1\u30a4\u30d7\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u7d9a\u3051\u308b\u51e6\u7406\u304c\u3001\u66f8\u304d\u624b\u306e\u4ed5\u4e8b\u304c\u7d42\u308f\u3063\u305f\u306e\u306b\u7d42\u4e86\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u539f\u56e0\u306e\u4e00\u3064\u306f\u3001\u3069\u3053\u304b\u306b\u66f8\u304d\u8fbc\u307f\u5074\u306e\u30d5\u30a1\u30a4\u30eb\u8a18\u8ff0\u5b50\u304c\u6b8b\u3063\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002Linux\u306e\u30d1\u30a4\u30d7\u3067\u306f\u3001\u300c\u3044\u307e\u4e2d\u8eab\u304c\u306a\u3044\u300d\u3068\u300c\u3053\u308c\u304b\u3089\u5148\u3082\u66f8\u304d [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1136,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[30],"tags":[244],"class_list":["post-1139","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computing","tag-linux"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-linux-pipe-eof-writer-references-20261022-featured-78d090219f9e.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1139"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1139\/revisions"}],"predecessor-version":[{"id":1140,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1139\/revisions\/1140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1136"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}