{"id":3358,"date":"2026-01-24T20:59:34","date_gmt":"2026-01-24T11:59:34","guid":{"rendered":"https:\/\/blog.id774.net\/entry\/?p=3358"},"modified":"2026-03-26T11:18:25","modified_gmt":"2026-03-26T02:18:25","slug":"%e7%b5%82%e4%ba%86%e3%82%b3%e3%83%bc%e3%83%89%e3%82%92%e3%81%82%e3%82%89%e3%81%9f%e3%82%81%e3%81%a6%e8%80%83%e5%af%9f%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/blog.id774.net\/entry\/2026\/01\/24\/3358\/","title":{"rendered":"\u7d42\u4e86\u30b3\u30fc\u30c9\u3092\u3042\u3089\u305f\u3081\u3066\u8003\u5bdf\u3059\u308b"},"content":{"rendered":"<h2>\u80cc\u666f\u30fb\u76ee\u7684<\/h2>\n<p>GNU\/Linux \u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u3001\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3084\u5404\u7a2e\u30b3\u30de\u30f3\u30c9\u3001Python \u306a\u3069\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u300c\u7d42\u4e86\u30b3\u30fc\u30c9\uff08exit status\uff09\u300d\u3092\u8fd4\u3057\u3066\u3044\u308b\u5834\u9762\u306b\u983b\u7e41\u306b\u51fa\u4f1a\u3046\u3002\u7d42\u4e86\u30b3\u30fc\u30c9\u306f\u4e00\u898b\u3059\u308b\u3068\u5358\u7d14\u3067\u3001\u6210\u529f\u306a\u3089 0\u3001\u5931\u6557\u306a\u3089 0 \u4ee5\u5916\u3068\u3044\u3046 \u201c\u96d1\u306a\u201d \u4ed5\u7d44\u307f\u306b\u898b\u3048\u308b\u3002\u3057\u304b\u3057\u5b9f\u52d9\u3067\u306f\u3001cron\u30fbCI\u30fb\u30c7\u30d7\u30ed\u30a4\u30fb\u76e3\u8996\u30fb\u30d0\u30c3\u30c1\u51e6\u7406\u306a\u3069\u300c\u81ea\u52d5\u5316\u3055\u308c\u305f\u9023\u9396\u300d\u306e\u4e2d\u3067\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u306f\u300c\u6b21\u306e\u51e6\u7406\u306b\u9032\u3080\u304b\u300d\u300c\u6b62\u3081\u308b\u304b\u300d\u300c\u901a\u77e5\u3059\u308b\u304b\u300d\u3092\u6c7a\u3081\u308b\u6700\u5c0f\u5358\u4f4d\u306e\u5408\u56f3\u306b\u306a\u308b\u3002\u30ed\u30b0\u304c\u81a8\u5927\u3067\u8aad\u3081\u306a\u3044\u6642\u3067\u3082\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u3060\u3051\u306f\u6a5f\u68b0\u304c\u78ba\u5b9f\u306b\u8aad\u3081\u308b\u3002\u305d\u306e\u305f\u3081\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u306e\u610f\u5473\u3065\u3051\u3092\u66d6\u6627\u306a\u307e\u307e\u653e\u7f6e\u3059\u308b\u3068\u3001\u904b\u7528\u306e\u4fe1\u983c\u6027\u304c\u843d\u3061\u308b\u3002<\/p>\n<p>\u672c\u7a3f\u306e\u76ee\u7684\u306f\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u306b\u3064\u3044\u3066\u300c\u4e00\u822c\u7684\u306a\u6163\u7fd2\u300d\u3068\u300c\u898f\u7d04\uff08\u4ed5\u69d8\u30fb\u6a19\u6e96\u30fb\u5b9f\u88c5\u4f9d\u5b58\u306e\u4e88\u7d04\u9818\u57df\uff09\u300d\u3092\u6574\u7406\u3057\u3001\u6700\u7d42\u7684\u306b\u30dd\u30ea\u30b7\u30fc\u3068\u3057\u3066\u4f55\u3092\u63a1\u7528\u3059\u3079\u304d\u304b\u3092\u4e00\u822c\u8ad6\u3068\u3057\u3066\u660e\u78ba\u5316\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u3053\u3053\u3067\u306f\u3001\u500b\u5225\u306e\u7d4c\u7def\u3084\u30ed\u30fc\u30ab\u30eb\u306a\u4e8b\u60c5\u306f\u6368\u3066\u3001\u518d\u5229\u7528\u3067\u304d\u308b\u5f62\u306e\u8ad6\u8003\u3068\u3057\u3066\u307e\u3068\u3081\u76f4\u3059\u3002<\/p>\n<hr>\n<h2>\u7d42\u4e86\u30b3\u30fc\u30c9\u3068\u306f\u305d\u3082\u305d\u3082\u4f55\u306a\u306e\u304b<\/h2>\n<p>\u7d42\u4e86\u30b3\u30fc\u30c9\u306f\u3001\u3042\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\uff08\u30d7\u30ed\u30bb\u30b9\uff09\u304c\u7d42\u4e86\u3057\u305f\u3068\u304d\u306b\u3001\u89aa\uff08\u901a\u5e38\u306f\u30b7\u30a7\u30eb\u3084\u547c\u3073\u51fa\u3057\u5143\u30d7\u30ed\u30bb\u30b9\uff09\u3078\u8fd4\u3059\u300c\u7d50\u679c\u306e\u6570\u5024\u300d\u3067\u3042\u308b\u3002\u5178\u578b\u7684\u306b\u306f\u300c\u6210\u529f\u304b\u5931\u6557\u304b\u300d\u3092\u793a\u3059\u30d5\u30e9\u30b0\u3068\u3057\u3066\u4f7f\u308f\u308c\u308b\u3002POSIX \u306e\u4e16\u754c\u3067\u306f\u300c\u6210\u529f\u306f 0\u3001\u5931\u6557\u306f\u975e 0\u300d\u304c\u57fa\u672c\u3067\u3042\u308a\u3001\u5177\u4f53\u7684\u306b\u3069\u306e\u6570\u5024\u304c\u3069\u306e\u610f\u5473\u304b\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5074\u304c\u8a2d\u8a08\u3068\u3057\u3066\u6c7a\u3081\u308b\u4f59\u5730\u304c\u5927\u304d\u3044\u3002\u305f\u3060\u3057\u3001\u3069\u3053\u307e\u3067\u3082\u81ea\u7531\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u30b7\u30a7\u30eb\u3084 OS\u3001\u65e2\u5b58\u30c4\u30fc\u30eb\u304c\u65e2\u306b\u300c\u4e88\u7d04\u7684\u306b\u6271\u3046\u9818\u57df\u300d\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u305d\u3053\u306b\u52dd\u624b\u306a\u610f\u5473\u3092\u5272\u308a\u5f53\u3066\u308b\u3068\u885d\u7a81\u304c\u8d77\u304d\u308b\u3002<\/p>\n<p>\u307e\u305f\u3001\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86\u306b\u306f\u5927\u304d\u304f\u4e8c\u7a2e\u985e\u3042\u308b\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u81ea\u5206\u3067 exit(n) \u3059\u308b\u300c\u901a\u5e38\u7d42\u4e86\u300d\u3068\u3001\u30b7\u30b0\u30ca\u30eb\u306a\u3069\u3067\u843d\u3061\u308b\u300c\u7570\u5e38\u7d42\u4e86\u300d\u3067\u3042\u308b\u3002\u89aa\u306f wait\/waitpid \u306a\u3069\u3067\u5b50\u306e\u7d42\u4e86\u72b6\u614b\u3092\u53d7\u3051\u53d6\u308a\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u3092\u89e3\u91c8\u3059\u308b\u3002Linux \u306e man \u30da\u30fc\u30b8\u3067\u3082\u3001\u5b50\u304c\u30b7\u30b0\u30ca\u30eb\u3067\u7d42\u308f\u3063\u305f\u304b\u3001\u901a\u5e38\u7d42\u4e86\u3057\u305f\u304b\u3092\u5224\u5225\u3059\u308b\u30de\u30af\u30ed\uff08WIFSIGNALED \/ WIFEXITED \u306a\u3069\uff09\u304c\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u3002\u3064\u307e\u308a\u300c\u7d42\u4e86\u30b3\u30fc\u30c9\u300d\u3068\u547c\u3093\u3067\u3044\u308b\u3082\u306e\u3082\u3001\u5185\u90e8\u7684\u306b\u306f \u201c\u7d42\u4e86\u306e\u3057\u304b\u305f\u201d \u3068\u30bb\u30c3\u30c8\u3067\u6271\u308f\u308c\u308b<a href=\"#ref1\">[1]<\/a>\u3002<\/p>\n<hr>\n<h2>\u4f55\u3092\u306d\u3089\u3044\u3068\u3057\u3066\u3044\u308b\u306e\u304b<\/h2>\n<p>\u7d42\u4e86\u30b3\u30fc\u30c9\u304c\u72d9\u3063\u3066\u3044\u308b\u672c\u8cea\u306f\u300c\u4eba\u9593\u5411\u3051\u306e\u8aac\u660e\u300d\u3067\u306f\u306a\u304f\u300c\u6a5f\u68b0\u5411\u3051\u306e\u5206\u5c90\u6761\u4ef6\u300d\u3067\u3042\u308b\u3002\u5177\u4f53\u7684\u306b\u306f\u6b21\u306e\u7528\u9014\u304c\u4e2d\u5fc3\u306b\u306a\u308b\u3002<\/p>\n<ol>\n<li><strong>\u5236\u5fa1\u30d5\u30ed\u30fc\u306e\u5206\u5c90<\/strong>\uff1a\u6210\u529f\u306a\u3089\u6b21\u3078\u3001\u5931\u6557\u306a\u3089\u4e2d\u65ad\u30fb\u30ea\u30c8\u30e9\u30a4\u30fb\u901a\u77e5\u306a\u3069\u3002<\/li>\n<li><strong>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u5065\u5168\u6027\u5224\u5b9a<\/strong>\uff1a\u8907\u6570\u306e\u51e6\u7406\u3092\u9023\u7d50\u3057\u3066\u3044\u308b\u3068\u304d\u3001\u3069\u3053\u3067\u843d\u3061\u305f\u304b\u3092\u6a5f\u68b0\u7684\u306b\u691c\u51fa\u3059\u308b\u3002<\/li>\n<li><strong>\u76e3\u8996\u30fb\u904b\u7528\u306e\u30b7\u30b0\u30ca\u30eb<\/strong>\uff1a\u30b8\u30e7\u30d6\u7ba1\u7406\u3084 CI \u306f \u201cexit code\u201d \u3092\u7b2c\u4e00\u7d1a\u306e\u7d50\u679c\u3068\u3057\u3066\u6271\u3046\u3002<\/li>\n<li><strong>\u6700\u5c0f\u60c5\u5831\u3067\u306e\u5931\u6557\u901a\u77e5<\/strong>\uff1a\u30ed\u30b0\u304c\u8aad\u3081\u306a\u3044\u72b6\u6cc1\u3067\u3082\u300c\u5931\u6557\u3057\u305f\u4e8b\u5b9f\u300d\u3060\u3051\u306f\u78ba\u5b9f\u306b\u4f1d\u3048\u308b\u3002<\/li>\n<\/ol>\n<p>\u91cd\u8981\u306a\u306e\u306f\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u306f\u300c\u60c5\u5831\u91cf\u304c\u5c11\u306a\u3044\u300d\u3053\u3068\u304c\u524d\u63d0\u306e\u4ed5\u7d44\u307f\u3060\u3068\u3044\u3046\u70b9\u3067\u3042\u308b\u3002\u7d42\u4e86\u30b3\u30fc\u30c9\u3060\u3051\u3067\u539f\u56e0\u3092\u5b8c\u5168\u306b\u8868\u73fe\u3059\u308b\u3053\u3068\u306f\u96e3\u3057\u3044\u3002\u3060\u304b\u3089\u3053\u305d\u300c\u30ed\u30b0\u3068\u30bb\u30c3\u30c8\u3067\u8a2d\u8a08\u3059\u308b\u300d\u3053\u3068\u304c\u4e00\u822c\u89e3\u3067\u3042\u308a\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u306e\u7d30\u5206\u5316\u306f\u5fc5\u8981\u6700\u5c0f\u9650\u306b\u7559\u3081\u308b\u3079\u304d\u3001\u3068\u3044\u3046\u65b9\u5411\u306b\u81ea\u7136\u306b\u53ce\u675f\u3059\u308b\u3002<\/p>\n<hr>\n<h2>\u4e00\u822c\u7684\u306a\u6163\u7fd2\u3068\u3057\u3066\u306f\u3069\u3046\u306a\u306e\u304b<\/h2>\n<h3>0 \u306f\u6210\u529f\u3001\u975e 0 \u306f\u5931\u6557<\/h3>\n<p>\u3053\u308c\u306f\u6700\u3082\u5e83\u304f\u5171\u6709\u3055\u308c\u308b\u524d\u63d0\u3067\u3042\u308b\u3002POSIX \u30b7\u30a7\u30eb\u306e\u4ed5\u69d8\u3067\u3082\u3001\u30b3\u30de\u30f3\u30c9\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u306f\u975e 0 \u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8fd4\u3059\u3001\u3068\u3044\u3046\u57fa\u672c\u304c\u793a\u3055\u308c\u308b<a href=\"#ref2\">[2]<\/a>\u3002<\/p>\n<h3>1 \u306f \u201cGeneral failure\u201d \u3068\u3057\u3066\u591a\u7528\u3055\u308c\u308b<\/h3>\n<p>\u5b9f\u52d9\u3067\u6700\u3082\u591a\u3044\u306e\u306f\u300c\u5931\u6557\u3057\u305f\u3089 1\u300d\u3067\u3042\u308b\u3002Python \u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3059\u3089\u300cUnix \u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u4e00\u822c\u306b\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u306e\u6587\u6cd5\u30a8\u30e9\u30fc\u3092 2\u3001\u305d\u306e\u4ed6\u306e\u30a8\u30e9\u30fc\u3092 1 \u306b\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u300d\u3068\u8ff0\u3079\u3066\u304a\u308a\u3001\u3055\u3089\u306b sys.exit(&#8220;message&#8221;) \u306e\u3088\u3046\u306b\u6587\u5b57\u5217\u3092\u6e21\u3059\u3068 stderr \u306b\u8868\u793a\u3057\u3066\u7d42\u4e86\u30b3\u30fc\u30c9\u304c 1 \u306b\u306a\u308b\u3001\u3068\u3044\u3046 \u201c\u4e00\u822c\u7684\u5931\u6557\u306e\u77ed\u7d61\u201d \u304c\u8a00\u8a9e\u4ed5\u69d8\u3068\u3057\u3066\u7528\u610f\u3055\u308c\u3066\u3044\u308b<a href=\"#ref3\">[3]<\/a>\u3002<\/p>\n<p>\u4e00\u65b9\u3067\u300c1 \u306f\u4fbf\u5229\u3060\u304c\u3001\u60c5\u5831\u91cf\u304c\u5c11\u306a\u3044\u300d\u3053\u3068\u3082\u53e4\u304f\u304b\u3089\u6307\u6458\u3055\u308c\u3066\u3044\u308b\u3002\u3064\u307e\u308a 1 \u3092\u591a\u7528\u3059\u308b\u73fe\u5b9f\u306f\u3042\u308b\u304c\u30011 \u3060\u3051\u3067\u30c7\u30d0\u30c3\u30b0\u3067\u304d\u308b\u8a2d\u8a08\u306b\u306f\u306a\u3089\u306a\u3044\u3002\u3053\u3053\u304c\u300c\u30ed\u30b0\u8a2d\u8a08\u300d\u300c\u30a8\u30e9\u30fc\u51fa\u529b\u8a2d\u8a08\u300d\u3068\u4e0d\u53ef\u5206\u306b\u306a\u308b\u3002<\/p>\n<h3>126 \/ 127 \u306f\u885d\u7a81\u3057\u3084\u3059\u3044\u4e88\u7d04\u9818\u57df<\/h3>\n<p>Bash \u306e\u516c\u5f0f\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u306f\u3001\u30b3\u30de\u30f3\u30c9\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306f 127\u3001\u898b\u3064\u304b\u3063\u305f\u304c\u5b9f\u884c\u3067\u304d\u306a\u3044\u5834\u5408\u306f 126\u3001\u3068\u3044\u3046\u6319\u52d5\u304c\u660e\u8a18\u3055\u308c\u3066\u3044\u308b<a href=\"#ref4\">[4]<\/a>\u3002 \u3053\u308c\u3089\u3092\u30a2\u30d7\u30ea\u56fa\u6709\u306e\u610f\u5473\u3068\u3057\u3066\u518d\u5b9a\u7fa9\u3059\u308b\u3068\u3001\u300c\u30b3\u30de\u30f3\u30c9\u304c\u7121\u3044\u306e\u304b\u300d\u300c\u81ea\u5206\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c 127 \u3092\u8fd4\u3057\u305f\u306e\u304b\u300d\u304c\u533a\u5225\u3067\u304d\u306a\u304f\u306a\u308b\u3002\u3086\u3048\u306b 126 \/ 127 \u306f \u201c\u4e88\u7d04\u6271\u3044\u201d \u3068\u3057\u3066\u6e29\u5b58\u3059\u308b\u306e\u304c\u5b9f\u52d9\u7684\u306b\u5b89\u5168\u3067\u3042\u308b\u3001\u3068\u3044\u3046\u7d50\u8ad6\u306b\u306a\u308a\u3084\u3059\u3044\u3002<\/p>\n<h3>128 \u4ee5\u4e0a\u306f\u30b7\u30b0\u30ca\u30eb\u7531\u6765\u3068\u3057\u3066\u6271\u308f\u308c\u3084\u3059\u3044<\/h3>\n<p>\u5e83\u304f\u53c2\u7167\u3055\u308c\u308b\u89e3\u8aac\u3067\u306f\u300c128 + n \u306f\u30b7\u30b0\u30ca\u30eb n \u306b\u3088\u308b\u7d42\u4e86\u300d\u3068\u3044\u3063\u305f\u6163\u7fd2\u304c\u7d39\u4ecb\u3055\u308c\u3066\u304a\u308a\u3001Ctrl + C \u306e SIGINT(2) \u306a\u3089 130 \u3068\u3044\u3046\u89e3\u91c8\u304c\u4e00\u822c\u5316\u3057\u3066\u3044\u308b<a href=\"#ref5\">[5]<\/a>\u3002 \u5b9f\u969b\u3001\u30b8\u30e7\u30d6\u7ba1\u7406\u306a\u3069\u3067\u3082 130 = SIGINT\uff08130 &#8211; 128 = 2\uff09\u3068\u3044\u3046\u5f62\u3067\u8aac\u660e\u3055\u308c\u3066\u3044\u308b<a href=\"#ref6\">[6]<\/a>\u3002 \u3057\u305f\u304c\u3063\u3066 128 \u4ee5\u4e0a\u306e\u9818\u57df\u3082\u3001\u30a2\u30d7\u30ea\u72ec\u81ea\u30b3\u30fc\u30c9\u3068\u3057\u3066\u81ea\u7531\u306b\u4f7f\u3046\u3068 \u201c\u30b7\u30b0\u30ca\u30eb\u6b7b\u201d \u3068\u6df7\u540c\u3055\u308c\u3084\u3059\u3044\u3002<\/p>\n<p><strong>\u5c0f\u9805\u76ee\u307e\u3068\u3081<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u89b3\u70b9<\/th>\n<th>\u8981\u70b9<\/th>\n<th>\u5b9f\u52d9\u4e0a\u306e\u6271\u3044<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0 \u3068\u975e 0<\/td>\n<td>\u6210\u529f\u306f 0\u3001\u5931\u6557\u306f\u975e 0 \u304c\u57fa\u672c<\/td>\n<td>\u6700\u5c0f\u30eb\u30fc\u30eb\u3068\u3057\u3066\u5fc5\u305a\u5c0a\u91cd\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>1 \u306e\u591a\u7528<\/td>\n<td>\u4e00\u822c\u7684\u5931\u6557\u3068\u3057\u3066 1 \u304c\u6700\u3082\u591a\u3044<\/td>\n<td>\u8a73\u7d30\u306f\u30ed\u30b0\u306b\u5bc4\u305b\u30011 \u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>126 \/ 127<\/td>\n<td>\u30b7\u30a7\u30eb\u5074\u306e\u4e88\u7d04\u7684\u610f\u5473\u304c\u5f37\u3044<\/td>\n<td>\u30a2\u30d7\u30ea\u72ec\u81ea\u7528\u9014\u3067\u518d\u5b9a\u7fa9\u3057\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>128 \u4ee5\u4e0a<\/td>\n<td>\u30b7\u30b0\u30ca\u30eb\u7531\u6765\u3068\u3057\u3066\u89e3\u91c8\u3055\u308c\u3084\u3059\u3044<\/td>\n<td>\u30a2\u30d7\u30ea\u72ec\u81ea\u306e\u7d42\u4e86\u30b3\u30fc\u30c9\u306b\u4f7f\u308f\u306a\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2>\u6b74\u53f2\u7684\u306b\u306f\u3069\u3046\u306a\u306e\u304b<\/h2>\n<p>\u7d42\u4e86\u30b3\u30fc\u30c9\u306e\u6587\u5316\u306f\u3001UNIX \u306e\u300c\u5c0f\u3055\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u300d\u3068\u3044\u3046\u601d\u60f3\u3068\u5f37\u304f\u7d50\u3073\u3064\u3044\u3066\u3044\u308b\u3002UNIX \u306f\u3001\u6a19\u6e96\u5165\u529b\u30fb\u6a19\u6e96\u51fa\u529b\u30fb\u6a19\u6e96\u30a8\u30e9\u30fc\u3068\u5408\u308f\u305b\u3066\u300c\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u300d\u3092\u63d0\u4f9b\u3057\u3001\u3053\u308c\u3092\u7d44\u307f\u5408\u308f\u305b\u306e\u63a5\u7740\u5264\u306b\u3057\u305f\u3002\u3064\u307e\u308a \u201c\u6210\u529f\u306a\u3089\u6b21\u3078\u201d \u3092\u6a5f\u68b0\u304c\u5224\u65ad\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3001\u8907\u96d1\u306a\u51e6\u7406\u3092\u30d1\u30a4\u30d7\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u7d44\u3081\u308b\u3088\u3046\u306b\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u306f\u300c\u4eba\u9593\u304c\u8aad\u3080\u8a3a\u65ad\u66f8\u300d\u3067\u306f\u306a\u304f\u300c\u6a5f\u68b0\u304c\u8aad\u3080\u4fe1\u53f7\u300d\u306b\u306a\u3063\u305f\u3002<\/p>\n<p>\u3053\u306e\u6b74\u53f2\u7684\u80cc\u666f\u306f\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u3092\u904e\u5270\u306b\u7d30\u5206\u5316\u3057\u3066\u300c\u7d42\u4e86\u30b3\u30fc\u30c9\u3060\u3051\u3067\u8aac\u660e\u3057\u3088\u3046\u300d\u3068\u3059\u308b\u65b9\u5411\u304c\u672c\u8cea\u304b\u3089\u5916\u308c\u308b\u3053\u3068\u3092\u793a\u5506\u3059\u308b\u3002\u8aac\u660e\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u884c\u3044\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u306f\u5206\u5c90\u306e\u305f\u3081\u306e\u6700\u5c0f\u9650\u306b\u7559\u3081\u308b\u3001\u3068\u3044\u3046\u8a2d\u8a08\u306f UNIX \u7684\u306b\u81ea\u7136\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<h2>\u4e16\u306e\u4e2d\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u898f\u7d04\u304c\u3042\u308b\u306e\u304b<\/h2>\n<p>\u3053\u3053\u3067\u306f\u300c\u4ed5\u69d8\u3068\u3057\u3066\u306e\u898f\u7d04\u300d\u3068\u300c\u4e8b\u5b9f\u4e0a\u306e\u898f\u7d04\uff08\u6163\u7fd2\uff09\u300d\u3092\u5206\u3051\u3066\u6574\u7406\u3059\u308b\u3002<\/p>\n<h3>1) POSIX \/ \u30b7\u30a7\u30eb\u4ed5\u69d8\uff08\u67a0\u7d44\u307f\uff09<\/h3>\n<p>POSIX \u306e\u30b7\u30a7\u30eb\u4ed5\u69d8\u306f\u3001\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u306e\u67a0\u7d44\u307f\uff08\u6210\u529f\/\u5931\u6557\u3001\u5b9f\u88c5\u304c\u8a31\u5bb9\u3059\u308b\u7bc4\u56f2\u306a\u3069\uff09\u3092\u5b9a\u3081\u308b\u3002\u30b7\u30a7\u30eb\u5b9f\u88c5\u304c\u30b7\u30b0\u30ca\u30eb\u7b49\u3067\u7d42\u4e86\u3057\u305f\u5834\u5408\u306b 255 \u3092\u8d85\u3048\u308b\u5024\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u3092\u8a31\u5bb9\u3059\u308b\u3001\u3068\u3044\u3046\u6ce8\u610f\u3082\u542b\u307e\u308c\u308b<a href=\"#ref2\">[2]<\/a>\u3002<\/p>\n<h3>2) Bash \u306e\u4ed5\u69d8\uff08126 \/ 127\uff09<\/h3>\n<p>Bash \u306f\u300c\u898b\u3064\u304b\u3089\u306a\u3044 = 127\u300d\u300c\u5b9f\u884c\u4e0d\u53ef = 126\u300d\u3092\u660e\u78ba\u306b\u898f\u5b9a\u3059\u308b\u3002\u3053\u308c\u306f\u904b\u7528\u4e0a\u306e\u885d\u7a81\u3092\u907f\u3051\u308b\u305f\u3081\u3001\u30a2\u30d7\u30ea\u5074\u3067\u518d\u5b9a\u7fa9\u3057\u306a\u3044\u306e\u304c\u5b89\u5168\u3001\u3068\u3044\u3046\u5f37\u3044\u6839\u62e0\u306b\u306a\u308b<a href=\"#ref4\">[4]<\/a>\u3002<\/p>\n<h3>3) \u30b7\u30b0\u30ca\u30eb\u7d42\u4e86\uff08128 + n\uff09\u3068\u3044\u3046\u6163\u7fd2<\/h3>\n<p>POSIX \u30ec\u30d9\u30eb\u3067\u306f\u300c\u30b7\u30b0\u30ca\u30eb\u3067\u7d42\u308f\u3063\u305f\u304b\u3069\u3046\u304b\u300d\u3092 wait \u7cfb\u306e\u4ed5\u7d44\u307f\u3067\u5224\u5225\u3059\u308b\u304c\u3001\u30b7\u30a7\u30eb\u306e\u4e16\u754c\u3067\u306f \u201c\u4eba\u9593\u304c\u898b\u3084\u3059\u3044\u6570\u5024\u201d \u3068\u3057\u3066 128 + n \u304c\u5e83\u304f\u6271\u308f\u308c\u308b\u3002\u4e00\u822c\u5411\u3051\u306e\u89e3\u8aac\u3084\u5b9f\u52d9\u6587\u8108\u3067\u3082\u3001\u3053\u306e\u898f\u5247\u306f\u5171\u901a\u8a9e\u5f59\u306b\u306a\u3063\u3066\u3044\u308b<a href=\"#ref5\">[5]<\/a>\u3002<\/p>\n<h3>4) sysexits\uff0864\u201378\uff09\u3068\u3044\u3046\u4f53\u7cfb<\/h3>\n<p>sysexits \u306f\u3001\u3082\u3068\u3082\u3068 BSD \u7cfb\u3067\u4f7f\u308f\u308c\u3066\u304d\u305f\u300c\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u7d42\u4e86\u30b3\u30fc\u30c9\u306b\u610f\u5473\u3092\u6301\u305f\u305b\u308b\u305f\u3081\u306e\u5206\u985e\u300d\u3092\u63d0\u4f9b\u3059\u308b\u3002\u305f\u3068\u3048\u3070 EX_USAGE(64) \u306f\u4f7f\u3044\u65b9\u306e\u8aa4\u308a\u3001EX_SOFTWARE(70) \u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5185\u90e8\u30a8\u30e9\u30fc\u306a\u3069\u3001\u610f\u5473\u304c\u6574\u7406\u3055\u308c\u3066\u3044\u308b\u3002Linux \u306e man-pages \u3067\u3082 sysexits.h \u3068\u3057\u3066\u53c2\u7167\u3067\u304d\u308b<a href=\"#ref7\">[7]<\/a>\u3002 OpenBSD \u306e man \u30da\u30fc\u30b8\u306b\u3082\u540c\u69d8\u306e\u8aac\u660e\u304c\u3042\u308b<a href=\"#ref8\">[8]<\/a>\u3002 \u65e5\u672c\u8a9e\u306e\u89e3\u8aac\u3082\u5b58\u5728\u3057\u3001EX_CONFIG(78) \u306a\u3069 \u201c\u8a2d\u5b9a\u4e0d\u5099\u201d \u3092\u8868\u3059\u30b3\u30fc\u30c9\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b<a href=\"#ref9\">[9]<\/a>\u3002<\/p>\n<h3>5) \u300c\u4e88\u7d04\u30b3\u30fc\u30c9\u3092\u907f\u3051\u3088\u300d\u3068\u3044\u3046\u5553\u8499\uff08\u89e3\u8aac\u30fb\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\uff09<\/h3>\n<p>TLDP \u306e Advanced Bash-Scripting Guide \u306f\u3001\u7279\u5b9a\u306e\u7bc4\u56f2\u306b\u7279\u5225\u306a\u610f\u5473\u304c\u3042\u308b\u3068\u3057\u3066\u6ce8\u610f\u3092\u4fc3\u3057\u3066\u3044\u308b<a href=\"#ref10\">[10]<\/a>\u3002 \u307e\u305f\u3001Unix \u7cfb\u306e Q&amp;A \u3067\u3082 \u201creserved codes\u201d \u3092\u30a2\u30d7\u30ea\u56fa\u6709\u306b\u4f7f\u3046\u3053\u3068\u306e\u6df7\u4e71\u304c\u8b70\u8ad6\u3055\u308c\u3066\u3044\u308b<a href=\"#ref11\">[11]<\/a>\u3002<\/p>\n<p>\u3053\u306e\u7a2e\u306e\u5553\u8499\u306f\u300c\u898f\u683c\u300d\u3067\u306f\u306a\u3044\u304c\u3001\u904b\u7528\u4e0a\u306e\u4e8b\u6545\u3092\u6e1b\u3089\u3059\u5b9f\u8df5\u77e5\u3068\u3057\u3066\u4fa1\u5024\u304c\u3042\u308b\u3002<\/p>\n<p><strong>\u5c0f\u9805\u76ee\u307e\u3068\u3081<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u67a0\u7d44\u307f<\/th>\n<th>\u6027\u8cea<\/th>\n<th>\u8aad\u307f\u66ff\u3048\u30dd\u30a4\u30f3\u30c8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>POSIX<\/td>\n<td>\u4ed5\u69d8\uff08\u67a0\u7d44\u307f\uff09<\/td>\n<td>\u6210\u529f\/\u5931\u6557\u306e\u57fa\u672c\u3068\u89e3\u91c8\u306e\u524d\u63d0\u3092\u4e0e\u3048\u308b<\/td>\n<\/tr>\n<tr>\n<td>Bash 126\/127<\/td>\n<td>\u5b9f\u88c5\u4ed5\u69d8\uff08\u4e8b\u5b9f\u4e0a\u306e\u6a19\u6e96\uff09<\/td>\n<td>\u885d\u7a81\u3092\u907f\u3051\u308b\u305f\u3081\u4e88\u7d04\u3068\u3057\u3066\u6e29\u5b58\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>128 + n<\/td>\n<td>\u6163\u7fd2<\/td>\n<td>\u30b7\u30b0\u30ca\u30eb\u7d42\u4e86\u3068\u8aa4\u8a8d\u3055\u308c\u308b\u305f\u3081\u72ec\u81ea\u5229\u7528\u3057\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>sysexits 64\u201378<\/td>\n<td>\u4f53\u7cfb\uff08\u610f\u5473\u4ed8\u304d\u5206\u985e\uff09<\/td>\n<td>\u5fc5\u8981\u6642\u306e\u307f\u63a1\u7528\u3057\u3001\u30d8\u30c3\u30c0\u30fc\u3067\u660e\u793a\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u5553\u8499\u8a18\u4e8b\u30fbQ&amp;A<\/td>\n<td>\u5b9f\u8df5\u77e5<\/td>\n<td>\u4e8b\u6545\u30d1\u30bf\u30fc\u30f3\u3092\u5171\u6709\u3057\u3066\u304a\u308a\u904b\u7528\u8a2d\u8a08\u306b\u5f79\u7acb\u3064<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2>\u305d\u308c\u3089\u3092\u3069\u3046\u53d6\u308a\u6271\u3046\u3079\u304d\u306a\u306e\u304b<\/h2>\n<p>\u3053\u3053\u307e\u3067\u306e\u6574\u7406\u3092\u8e0f\u307e\u3048\u308b\u3068\u3001\u73fe\u5b9f\u7684\u306a\u53d6\u308a\u6271\u3044\u306f\u6b21\u306e\u4e8c\u6bb5\u69cb\u3048\u306b\u306a\u308b\u3002<\/p>\n<h3>\u7b2c 1 \u6bb5\uff1a\u6700\u5c0f\u96c6\u5408\u3092\u5b88\u308b\uff08\u885d\u7a81\u56de\u907f\uff09<\/h3>\n<ul>\n<li>0 \u306f\u6210\u529f\u3002<\/li>\n<li>1 \u306f\u4e00\u822c\u7684\u5931\u6557\uff08General failure\uff09\u3068\u3057\u3066\u4f7f\u3046\u3002<\/li>\n<li>126 \/ 127 \u306f\u30b7\u30a7\u30eb\u4e88\u7d04\u3068\u3057\u3066\u6e29\u5b58\u3059\u308b\uff08\u30a2\u30d7\u30ea\u72ec\u81ea\u3067\u518d\u5b9a\u7fa9\u3057\u306a\u3044\uff09<a href=\"#ref4\">[4]<\/a>\u3002<\/li>\n<li>128 \u4ee5\u4e0a\u306f\u30b7\u30b0\u30ca\u30eb\u6163\u7fd2\u3068\u885d\u7a81\u3057\u3084\u3059\u3044\u306e\u3067\u3001\u30a2\u30d7\u30ea\u72ec\u81ea\u7528\u9014\u3067\u306f\u907f\u3051\u308b<a href=\"#ref5\">[5]<\/a>\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u6bb5\u968e\u3060\u3051\u3067\u3082\u3001\u4ed6\u30c4\u30fc\u30eb\u3068\u306e\u885d\u7a81\u304c\u6e1b\u308a\u3001\u904b\u7528\u6642\u306e\u8aa4\u89e3\u91c8\u304c\u5927\u5e45\u306b\u6e1b\u308b\u3002<\/p>\n<h3>\u7b2c 2 \u6bb5\uff1a\u672c\u5f53\u306b\u5fc5\u8981\u306a\u5834\u5408\u3060\u3051\u5206\u985e\u3092\u5c0e\u5165\u3059\u308b<\/h3>\n<p>\u7d42\u4e86\u30b3\u30fc\u30c9\u306e\u7d30\u5206\u5316\u306f\u300c\u4fbf\u5229\u305d\u3046\u306b\u898b\u3048\u308b\u300d\u304c\u3001\u904b\u7528\u3068\u30ec\u30d3\u30e5\u30fc\u3092\u8907\u96d1\u5316\u3055\u305b\u3084\u3059\u3044\u3002\u305d\u3053\u3067\u3001\u5206\u985e\u304c\u5fc5\u8981\u306a\u5834\u5408\u3060\u3051 sysexits(64\u201378) \u3092\u63a1\u7528\u3059\u308b\u3002\u63a1\u7528\u3059\u308b\u306a\u3089\u3001\u305d\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30d8\u30c3\u30c0\u30fc\u3067\u660e\u793a\u3057\u3001\u30ed\u30b0\u3067\u3082\u8aac\u660e\u3059\u308b\u3002sysexits \u306f\u610f\u5473\u4f53\u7cfb\u304c\u65e2\u306b\u5171\u6709\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u72ec\u81ea\u4f53\u7cfb\u3092\u81ea\u4f5c\u3059\u308b\u3088\u308a\u885d\u7a81\u3068\u8aa4\u89e3\u304c\u5c11\u306a\u3044<a href=\"#ref7\">[7]<\/a>\u3002<\/p>\n<p>\u3064\u307e\u308a\u300c\u57fa\u672c\u306f\u6700\u5c0f\u96c6\u5408\u300d\u300c\u5fc5\u8981\u6642\u3060\u3051 sysexits\u300d\u3068\u3044\u3046\u5206\u96e2\u304c\u3001\u4e00\u822c\u6027\u3068\u4e00\u8cab\u6027\u306e\u4e21\u7acb\u306b\u5411\u304f\u3002<\/p>\n<p><strong>\u5c0f\u9805\u76ee\u307e\u3068\u3081<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u6bb5\u968e<\/th>\n<th>\u65b9\u91dd<\/th>\n<th>\u72d9\u3044<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7b2c 1 \u6bb5<\/td>\n<td>0 \/ 1 \u3092\u57fa\u672c\u306b\u3001126 \/ 127 \/ 128+ \u3092\u907f\u3051\u308b<\/td>\n<td>\u5916\u90e8\u306e\u6163\u7fd2\u30fb\u4ed5\u69d8\u3068\u885d\u7a81\u3057\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c 2 \u6bb5<\/td>\n<td>\u5fc5\u8981\u306a\u3068\u304d\u3060\u3051 sysexits(64\u201378) \u3092\u63a1\u7528\u3059\u308b<\/td>\n<td>\u610f\u5473\u306e\u3042\u308b\u5206\u985e\u3092\u6700\u5c0f\u306e\u8ffd\u52a0\u30b3\u30b9\u30c8\u3067\u5b9f\u73fe\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2>\u6700\u7d42\u7684\u306b\u30dd\u30ea\u30b7\u30fc\u3092\u5b9a\u3081\u308b\u306b\u3042\u305f\u308a\u3001\u4f55\u3092\u6c17\u306b\u3057\u305f\u306e\u304b<\/h2>\n<p>\u30dd\u30ea\u30b7\u30fc\u7b56\u5b9a\u3067\u91cd\u8996\u3057\u305f\u89b3\u70b9\u306f\u6b21\u306e\u901a\u308a\u3067\u3042\u308b\u3002<\/p>\n<ol>\n<li><strong>\u4e00\u822c\u6027<\/strong>\uff1aGNU\/Linux \u306e\u5e83\u3044\u6163\u7fd2\u3068\u885d\u7a81\u3057\u306a\u3044\u3053\u3068\uff08126\/127\/128+ \u306e\u4e88\u7d04\u9818\u57df\uff09\u3002<\/li>\n<li><strong>\u4e00\u8cab\u6027<\/strong>\uff1aShell\/Python\/Ruby \u3067\u610f\u5473\u304c\u30ba\u30ec\u306a\u3044\u3053\u3068\u3002\u8a00\u8a9e\u3054\u3068\u306b exit code \u5b9a\u7fa9\u3092\u91cd\u8907\u3055\u305b\u308b\u3068\u3001\u66f4\u65b0\u6f0f\u308c\u3084\u77db\u76fe\u304c\u767a\u751f\u3057\u3084\u3059\u3044\u3002<\/li>\n<li><strong>\u904b\u7528\u6027<\/strong>\uff1a\u7d42\u4e86\u30b3\u30fc\u30c9\u306b\u60c5\u5831\u3092\u8a70\u3081\u8fbc\u307f\u3059\u304e\u305a\u3001\u30ed\u30b0\u8a2d\u8a08\u3092\u4e3b\u5f79\u306b\u636e\u3048\u308b\u3053\u3068\u3002\u7d42\u4e86\u30b3\u30fc\u30c9\u306e \u201c\u4f53\u7cfb\u201d \u304c\u30dd\u30ea\u30b7\u30fc\u5168\u4f53\u3092\u652f\u914d\u3059\u308b\u3068\u3001\u5b9f\u88c5\u898f\u5f8b\uff08\u660e\u793a\u7684\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3001\u30ed\u30b0\u3001I\/O \u5b89\u5168\u6027\u3001\u30c6\u30b9\u30c8\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff09\u304c\u304a\u308d\u305d\u304b\u306b\u306a\u308b\u3002<\/li>\n<li><strong>\u4fdd\u5b88\u6027<\/strong>\uff1a\u30dd\u30ea\u30b7\u30fc\u5909\u66f4\u3092\u6700\u5c0f\u7b87\u6240\u3067\u53cd\u6620\u3067\u304d\u308b\u69cb\u9020\u306b\u3059\u308b\u3053\u3068\uff08exit code \u3092 Shell \u30bb\u30af\u30b7\u30e7\u30f3\u306b\u96c6\u7d04\u3057\u3001\u4ed6\u8a00\u8a9e\u306f\u53c2\u7167\uff09\u3002<\/li>\n<li><strong>\u8aad\u89e3\u53ef\u80fd\u6027<\/strong>\uff1a\u4e00\u822c\u306e\u4eba\u304c\u8aad\u3093\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u3001\u62bd\u8c61\u8a9e\u3060\u3051\u3067\u306a\u304f\u300c\u4f55\u3092\u907f\u3051\u308b\u304b\u300d\u300c\u306a\u305c\u907f\u3051\u308b\u304b\u300d\u3092\u66f8\u304f\u3053\u3068\u3002<\/li>\n<\/ol>\n<hr>\n<h2>\u3069\u306e\u3088\u3046\u306a\u30dd\u30ea\u30b7\u30fc\u3092\u5b9a\u3081\u305f\u306e\u304b<\/h2>\n<p>\u6700\u7d42\u7684\u306b\u3001<a href=\"https:\/\/blog.id774.net\/entry\/2025\/11\/05\/3028\/\">\u4ee5\u524d\u306e\u30dd\u30ea\u30b7\u30fc<\/a>\u3092\u898b\u76f4\u3057\u3001<a href=\"https:\/\/github.com\/id774\/scripts\">\u30ea\u30dd\u30b8\u30c8\u30ea<\/a>\u306e <a href=\"https:\/\/github.com\/id774\/scripts\/blob\/master\/doc\/POLICY\">doc\/POLICY<\/a> \u306f\u300cImplementation Policies\u300d\u3068\u3057\u3066\u3001Shell\/Python\/Ruby \u3092\u540c\u4e00\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u7d71\u5408\u3057\u305f\u3002\u8a2d\u8a08\u601d\u60f3\u30fb\u30ed\u30b0\u5f62\u5f0f\u30fb\u7d42\u4e86\u30b3\u30fc\u30c9\u306e\u610f\u5473\u3065\u3051\u3092\u8a00\u8a9e\u6a2a\u65ad\u3067\u63c3\u3048\u3001\u5b9f\u88c5\u898f\u5f8b\uff08POSIX \u6e96\u62e0\u3001\u660e\u793a\u7684\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u66f4\u65b0\u3001\u30c6\u30b9\u30c8\u69cb\u9020\uff09\u3092\u898f\u5b9a\u3059\u308b\u3002<\/p>\n<p>\u3053\u3053\u3067\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u306b\u3064\u3044\u3066\u306f\u6b21\u306e\u3088\u3046\u306b\u5b9a\u3081\u305f\u3002<\/p>\n<ul>\n<li><strong>0: Success<\/strong><\/li>\n<li><strong>1: General failure<\/strong>\uff08\u57fa\u672c\u306f\u3053\u3053\u306b\u5bc4\u305b\u308b\uff09<\/li>\n<li><strong>126: exists but not executable<\/strong>\uff08\u4e88\u7d04\u3001\u518d\u5b9a\u7fa9\u3057\u306a\u3044\uff09<a href=\"#ref4\">[4]<\/a><\/li>\n<li><strong>127: not found<\/strong>\uff08\u4e88\u7d04\u3001\u518d\u5b9a\u7fa9\u3057\u306a\u3044\uff09<a href=\"#ref4\">[4]<\/a><\/li>\n<li><strong>128+<\/strong> \u306f\u30b7\u30b0\u30ca\u30eb\u6163\u7fd2\u304c\u3042\u308b\u305f\u3081\u3001\u30a2\u30d7\u30ea\u72ec\u81ea\u7528\u9014\u306b\u4f7f\u308f\u306a\u3044<a href=\"#ref5\">[5]<\/a>\u3002<\/li>\n<li>\u7d30\u5206\u985e\u304c\u5fc5\u8981\u306a\u5834\u5408\u306e\u307f sysexits(64\u201378) \u3092\u63a1\u7528\u3057\u3001\u30d8\u30c3\u30c0\u30fc\u3067\u660e\u793a\u3059\u308b<a href=\"#ref7\">[7]<\/a>\u3002<\/li>\n<\/ul>\n<hr>\n<h2>\u7d50\u8ad6\u3068\u3057\u3066\u3069\u306e\u3088\u3046\u306a\u30dd\u30ea\u30b7\u30fc\u304c\u3067\u304d\u3042\u304c\u3063\u305f\u306e\u304b<\/h2>\n<p>\u7d50\u8ad6\u306f\u300c\u7d42\u4e86\u30b3\u30fc\u30c9\u306f\u6700\u5c0f\u96c6\u5408\u3067\u885d\u7a81\u56de\u907f\u3092\u512a\u5148\u3057\u3001\u8aac\u660e\u306f\u30ed\u30b0\u3067\u884c\u3046\u3002\u5fc5\u8981\u6642\u306e\u307f sysexits \u3092\u9650\u5b9a\u63a1\u7528\u3059\u308b\u300d\u3068\u3044\u3046\u5f62\u306b\u843d\u3061\u7740\u3044\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u8a2d\u8a08\u304c\u904e\u5270\u306b\u80a5\u5927\u5316\u305b\u305a\u3001\u4e00\u822c\u7684\u6163\u7fd2\u3068\u6574\u5408\u3057\u3064\u3064\u3001\u30ea\u30dd\u30b8\u30c8\u30ea\u5185\u3067\u77db\u76fe\u304c\u751f\u307e\u308c\u306b\u304f\u3044\u3002<\/p>\n<hr>\n<h2>\u30dd\u30ea\u30b7\u30fc\u306b\u306f\u7d42\u4e86\u30b3\u30fc\u30c9\u4ee5\u5916\u3082\u542b\u3081\u3001\u4f55\u304c\u66f8\u304b\u308c\u3066\u3044\u308b\u306e\u304b<\/h2>\n<p>\u7d42\u4e86\u30b3\u30fc\u30c9\u306f\u30dd\u30ea\u30b7\u30fc\u5168\u4f53\u306e\u4e00\u90e8\u306b\u904e\u304e\u306a\u3044\u3002\u5b9f\u969b\u306e <a href=\"https:\/\/github.com\/id774\/scripts\/blob\/master\/doc\/POLICY\">doc\/POLICY<\/a> \u3067\u306f\u3001\u3088\u308a\u91cd\u8981\u306a\u5b9f\u88c5\u898f\u5f8b\u304c\u4e2d\u5fc3\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u8981\u70b9\u306f\u6b21\u306e\u901a\u308a\u3067\u3042\u308b\u3002<\/p>\n<h3>Shell Script\uff08\u5b9f\u88c5\u306e\u57fa\u6e96\u70b9\uff09<\/h3>\n<ul>\n<li><strong>POSIX \u6e96\u62e0<\/strong>\uff08#!\/bin\/sh\u3001bash \u4f9d\u5b58\u3092\u907f\u3051\u308b\u3001local \u4e0d\u4f7f\u7528\uff09\u3002<\/li>\n<li><strong>\u95a2\u6570\u5316\u3068\u8cac\u52d9\u5206\u96e2<\/strong>\uff08\u77ed\u304f\u5358\u4e00\u76ee\u7684\uff09\u3002<\/li>\n<li><strong>\u30d8\u30c3\u30c0\u30fc\u30fb\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u5fc5\u9808\u69cb\u9020<\/strong>\uff08Description \/ Requirements \/ Usage \/ Options \/ Test Cases \/ Version History \u306e\u9806\u5e8f\uff09\u3002<\/li>\n<li><strong>\u30ed\u30b0\u5f62\u5f0f\u7d71\u4e00<\/strong>\uff08[INFO] \/ [WARN] \/ [ERROR]\u3001\u30a8\u30e9\u30fc\u306f stderr\uff09\u3002<\/li>\n<li><strong>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/strong>\uff08set -e \u3092\u4f7f\u308f\u305a\u660e\u793a\u7684\u30c1\u30a7\u30c3\u30af\u3001\u65e9\u671f\u691c\u8a3c\u3001exit \u306f\u7570\u5e38\u7cfb\u306e\u307f\u3001\u901a\u5e38\u306f return \u3067\u4f1d\u64ad\uff09\u3002<\/li>\n<li><strong>I\/O \u5b89\u5168\u6027<\/strong>\uff08\u7834\u58ca\u7684\u64cd\u4f5c\u306e\u56de\u907f\u3001\u30d1\u30b9\u691c\u8a3c\u3001\u65e2\u5b58\u306e\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u898f\u7d04\u5c0a\u91cd\uff09\u3002<\/li>\n<li><strong>CLI \u898f\u5f8b<\/strong>\uff08-h \u306f\u5e38\u306b 0 \u3067\u7d42\u4e86\u3001\u5f15\u6570\u4e0d\u6b63\u306f usage\uff0b\u5931\u6557\uff09\u3002<\/li>\n<li><strong>\u30c6\u30b9\u30c8\u3068\u904b\u7528<\/strong>\uff08cron \u524d\u63d0\u3001PATH \u7b49\u306e\u660e\u793a\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u69cb\u9020\u306e\u623b\u308a\u5024\u4f1d\u64ad\uff09\u3002<\/li>\n<\/ul>\n<h3>Python \/ Ruby\uff08Shell \u3068\u540c\u578b\u306e\u601d\u60f3\u3067\u5b9f\u88c5\u3059\u308b\uff09<\/h3>\n<ul>\n<li><strong>\u8a2d\u8a08\u601d\u60f3\u30fb\u30ed\u30b0\u30fb\u7d42\u4e86\u30b3\u30fc\u30c9\u306f Shell \u3068\u540c\u4e00<\/strong>\uff08exit code \u306e\u518d\u5b9a\u7fa9\u306f\u3057\u306a\u3044\uff09\u3002<\/li>\n<li>\u305d\u308c\u305e\u308c\u306e\u8a00\u8a9e\u3067\u3001\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\uff08main\uff09\u30fb\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u7e1b\u308a\u30fb\u30c6\u30b9\u30c8\u914d\u7f6e\u30fb\u4e92\u63db\u6027\u5236\u7d04\u3092\u660e\u78ba\u5316\u3057\u3001Shell \u3068\u540c\u3058\u898f\u5f8b\uff08\u660e\u793a\u7684\u30a8\u30e9\u30fc\u51e6\u7406\u3001\u65e9\u671f\u691c\u8a3c\u3001\u30ed\u30b0\u6574\u5f62\uff09\u306b\u5f93\u308f\u305b\u308b\u3002<\/li>\n<\/ul>\n<hr>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ol>\n<li id=\"ref1\">Linux man-pages: wait(2)\uff08\u7d42\u4e86\u72b6\u614b\u306e\u5224\u5b9a\u30de\u30af\u30ed WIFSIGNALED \/ WIFEXITED \u306a\u3069\uff09 <a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/wait.2.html\">https:\/\/man7.org\/linux\/man-pages\/man2\/wait.2.html<\/a><\/li>\n<li id=\"ref2\">The Open Group Base Specifications Issue 8: Shell Command Language\uff08\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u306b\u95a2\u3059\u308b\u4ed5\u69d8\u3092\u542b\u3080\uff09 <a href=\"https:\/\/pubs.opengroup.org\/onlinepubs\/9799919799\/utilities\/V3_chap02.html\">https:\/\/pubs.opengroup.org\/onlinepubs\/9799919799\/utilities\/V3_chap02.html<\/a><\/li>\n<li id=\"ref3\">Python \u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 sys.exit\uff08\u6587\u5b57\u5217\u3092\u6e21\u3059\u3068 stderr \u51fa\u529b\uff0b\u7d42\u4e86\u30b3\u30fc\u30c9 1\u3001Unix \u306e\u6163\u7fd2\u306b\u3082\u8a00\u53ca\uff09 <a href=\"https:\/\/docs.python.org\/3\/library\/sys.html\">https:\/\/docs.python.org\/3\/library\/sys.html<\/a><\/li>\n<li id=\"ref4\">Bash Reference Manual: Exit Status\uff08126\/127 \u306e\u610f\u5473\uff09 <a href=\"https:\/\/www.gnu.org\/s\/bash\/manual\/html_node\/Exit-Status.html\">https:\/\/www.gnu.org\/s\/bash\/manual\/html_node\/Exit-Status.html<\/a><\/li>\n<li id=\"ref5\">Qiita: Bash \u306e\u4e88\u7d04\u3055\u308c\u305f exit code \u3068 128+n\uff08\u30b7\u30b0\u30ca\u30eb\u7531\u6765\u306e\u6271\u3044\uff09 <a href=\"https:\/\/qiita.com\/Linda_pp\/items\/1104d2d9a263b60e104b\">https:\/\/qiita.com\/Linda_pp\/items\/1104d2d9a263b60e104b<\/a><\/li>\n<li id=\"ref6\">IBM Docs: LSF job exit codes\uff08130=SIGINT \u306a\u3069\u306e\u8aac\u660e\uff09 <a href=\"https:\/\/www.ibm.com\/docs\/ja\/spectrum-lsf\/10.1.0?topic=logging-lsf-job-exit-codes\">https:\/\/www.ibm.com\/docs\/ja\/spectrum-lsf\/10.1.0?topic=logging-lsf-job-exit-codes<\/a><\/li>\n<li id=\"ref7\">Linux man-pages: sysexits.h(3head)\uff0864\u201378 \u306e\u4f53\u7cfb\uff09 <a href=\"https:\/\/man7.org\/linux\/man-pages\/man3\/sysexits.h.3head.html\">https:\/\/man7.org\/linux\/man-pages\/man3\/sysexits.h.3head.html<\/a><\/li>\n<li id=\"ref8\">OpenBSD man pages: sysexits(3)\uff08sysexits \u306e\u4f53\u7cfb\uff09 <a href=\"https:\/\/man.openbsd.org\/sysexits.3\">https:\/\/man.openbsd.org\/sysexits.3<\/a><\/li>\n<li id=\"ref9\">manpages \u65e5\u672c\u8a9e\u30df\u30e9\u30fc: sysexits(3) \u89e3\u8aac\uff08EX_CONFIG \u7b49\u306e\u8aac\u660e\uff09 <a href=\"https:\/\/nxmnpg.lemoda.net\/ja\/3\/sysexits\">https:\/\/nxmnpg.lemoda.net\/ja\/3\/sysexits<\/a><\/li>\n<li id=\"ref10\">TLDP Advanced Bash-Scripting Guide: Exit Codes With Special Meanings\uff08\u4e88\u7d04\u9818\u57df\u3078\u306e\u6ce8\u610f\u559a\u8d77\uff09 <a href=\"https:\/\/tldp.org\/LDP\/abs\/html\/exitcodes.html\">https:\/\/tldp.org\/LDP\/abs\/html\/exitcodes.html<\/a><\/li>\n<li id=\"ref11\">Unix &amp; Linux Stack Exchange: reserved codes \u8b70\u8ad6\uff08\u4e88\u7d04\u9818\u57df\u3092\u72ec\u81ea\u7528\u9014\u3067\u4f7f\u3046\u3053\u3068\u306e\u6df7\u4e71\uff09 <a href=\"https:\/\/unix.stackexchange.com\/questions\/242111\/using-reserved-codes-for-exit-status-of-shell-scripts\">https:\/\/unix.stackexchange.com\/questions\/242111\/using-reserved-codes-for-exit-status-of-shell-scripts<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u80cc\u666f\u30fb\u76ee\u7684 GNU\/Linux \u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u3001\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3084\u5404\u7a2e\u30b3\u30de\u30f3\u30c9\u3001Python \u306a\u3069\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u300c\u7d42\u4e86\u30b3\u30fc\u30c9\uff08exit status\uff09\u300d\u3092\u8fd4\u3057\u3066\u3044\u308b\u5834\u9762\u306b\u983b\u7e41\u306b\u51fa\u4f1a\u3046\u3002\u7d42\u4e86\u30b3\u30fc\u30c9\u306f\u4e00\u898b\u3059\u308b\u3068\u5358\u7d14\u3067\u3001\u6210\u529f\u306a &#8230; <a title=\"\u7d42\u4e86\u30b3\u30fc\u30c9\u3092\u3042\u3089\u305f\u3081\u3066\u8003\u5bdf\u3059\u308b\" class=\"read-more\" href=\"https:\/\/blog.id774.net\/entry\/2026\/01\/24\/3358\/\" aria-label=\"\u7d42\u4e86\u30b3\u30fc\u30c9\u3092\u3042\u3089\u305f\u3081\u3066\u8003\u5bdf\u3059\u308b \u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8aad\u3080\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-3358","post","type-post","status-publish","format-standard","hentry","category-tech"],"_links":{"self":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts\/3358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/comments?post=3358"}],"version-history":[{"count":3,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts\/3358\/revisions"}],"predecessor-version":[{"id":4163,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts\/3358\/revisions\/4163"}],"wp:attachment":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/media?parent=3358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/categories?post=3358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/tags?post=3358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}