{"id":20260,"date":"2026-08-02T15:03:09","date_gmt":"2026-08-02T13:03:09","guid":{"rendered":"https:\/\/webhosting.de\/system-calls-verstehen-kommunikation-zwischen-kernel-und-anwendungen-kontrollierter-zugriff\/"},"modified":"2026-08-02T15:03:09","modified_gmt":"2026-08-02T13:03:09","slug":"%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e3%82%b3%e3%83%bc%e3%83%ab%e3%81%ae%e7%90%86%e8%a7%a3%e3%80%80%e3%82%ab%e3%83%bc%e3%83%8d%e3%83%ab%e3%81%a8%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/system-calls-verstehen-kommunikation-zwischen-kernel-und-anwendungen-kontrollierter-zugriff\/","title":{"rendered":"\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u7406\u89e3\uff1a\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u30ab\u30fc\u30cd\u30eb\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u67b6\u3051\u6a4b"},"content":{"rendered":"<p><strong>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30ab\u30fc\u30cd\u30eb\u3068\u306e\u9593\u306e\u5f37\u56fa\u306a\u67b6\u3051\u6a4b\u3068\u306a\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30d5\u30a1\u30a4\u30eb\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30e1\u30e2\u30ea\u306b\u5b89\u5168\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u3053\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3001\u307e\u305f\u30e6\u30fc\u30b6\u30fc\u30b9\u30da\u30fc\u30b9\u3068 <strong>\u30ab\u30fc\u30cd\u30eb<\/strong> \u3069\u308c\u307b\u3069\u53b3\u683c\u306b\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u305d\u3057\u3066\u305d\u3053\u304b\u3089\u3069\u306e\u3088\u3046\u306b\u5177\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u5b89\u5168\u6027\u306e\u5411\u4e0a\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u304b\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n<p>\u4ee5\u4e0b\u306e\u8981\u70b9\u306f\u3001\u3053\u306e\u8a18\u4e8b\u306e\u67a0\u7d44\u307f\u3092\u793a\u3059\u3082\u306e\u3067\u3059\u3002.<\/p>\n<ul>\n  <li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>: \u30e6\u30fc\u30b6\u30fc\u30b9\u30da\u30fc\u30b9\u3068\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9\u9593\u306e\u5b9a\u7fa9\u6e08\u307f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3002.<\/li>\n  <li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>: \u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3054\u3068\u306b\u6a29\u9650\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3046\u3002.<\/li>\n  <li><strong>\u643a\u5e2f\u6027<\/strong>: \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u7570\u306a\u3063\u3066\u3082\u7d71\u4e00\u3055\u308c\u305fAPI\u3002.<\/li>\n  <li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong>: \u30e2\u30fc\u30c9\u306e\u5207\u308a\u66ff\u3048\u3068\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u5207\u308a\u66ff\u3048\u304c\u30b3\u30b9\u30c8\u8981\u56e0\u3068\u306a\u308b\u3002.<\/li>\n  <li><strong>\u900f\u660e\u6027<\/strong>: \u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306b\u3088\u308a\u3001\u50be\u5411\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3001\u30ea\u30b9\u30af\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n<h2>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\uff1a\u30e6\u30fc\u30b6\u7a7a\u9593\u3068\u30ab\u30fc\u30cd\u30eb\u3092\u3064\u306a\u3050\u67b6\u3051\u6a4b<\/h2>\n<p>\u79c1\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u3001\u7279\u6a29\u306e\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u30b9\u30da\u30fc\u30b9\u304b\u3089\u7279\u6a29\u306e\u3042\u308b\u30ab\u30fc\u30cd\u30eb\u30b9\u30da\u30fc\u30b9\u3078\u306e\u5236\u5fa1\u3055\u308c\u305f\u79fb\u884c\u3068\u6349\u3048\u3066\u304a\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3053\u306e\u79fb\u884c\u3092\u901a\u3058\u3066\u5b89\u5168\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u8981\u6c42\u3057\u307e\u3059\u3002\u3053\u306e\u660e\u78ba\u306a\u968e\u5c64\u304c\u306a\u3051\u308c\u3070\u3001\u30d7\u30ed\u30bb\u30b9\u306f <strong>\u30ea\u30bd\u30fc\u30b9<\/strong> \u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3057\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u5371\u967a\u306b\u3055\u3089\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30fc\u30cd\u30eb\u306f\u5b9a\u7fa9\u3055\u308c\u305f\u547c\u3073\u51fa\u3057\u306e\u307f\u3092\u53d7\u3051\u5165\u308c\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u6a29\u9650\u3092\u78ba\u8a8d\u3057\u305f\u4e0a\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u306b\u623b\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u5b9f\u969b\u306e\u30c9\u30e9\u30a4\u30d0\u306b\u76f4\u63a5\u89e6\u308c\u308b\u3053\u3068\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30eb\u3001\u30bd\u30b1\u30c3\u30c8\u3001\u30e1\u30e2\u30ea\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5206\u96e2\u306b\u3088\u3063\u3066\u3001 <strong>\u5b89\u5b9a\u6027<\/strong> \u3092\u9ad8\u304f\u4fdd\u3061\u3001\u4e0d\u5177\u5408\u306e\u3042\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u60aa\u610f\u306e\u3042\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u5236\u5fa1\u3092\u4e57\u3063\u53d6\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/betriebssystem_bruecke_kernel_5623.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u79fb\u690d\u6027\u3092\u78ba\u4fdd\u3059\u308b\u7406\u7531<\/h2>\n<p>\u547c\u3073\u51fa\u3057\u304c\u884c\u308f\u308c\u308b\u305f\u3073\u306b\u3001\u30ab\u30fc\u30cd\u30eb\u306f\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3059\u308b\u524d\u306b\u3001\u6a29\u9650\u3001\u30e1\u30e2\u30ea\u5883\u754c\u3001\u304a\u3088\u3073\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30cf\u30f3\u30c9\u30eb\u3092\u691c\u8a3c\u3059\u308b\u3088\u3046\u5f37\u5236\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30ec\u30a4\u30e4\u30fc\u304c\u3001\u4e0d\u6b63\u306a\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30d0\u30a4\u30b9\u306e\u64cd\u4f5c\u3068\u3044\u3063\u305f\u653b\u6483\u3092\u76f4\u63a5\u9632\u3044\u3067\u304f\u308c\u308b\u305f\u3081\u3001\u79c1\u306f\u305d\u306e\u6069\u6075\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002 \u540c\u6642\u306b\u3001\u56fa\u5b9a\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u5b89\u5b9a\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u3064\u3064\u3001\u305d\u306e\u80cc\u5f8c\u306b\u3042\u308b\u30c9\u30e9\u30a4\u30d0\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306f\u5909\u66f4\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30b3\u30fc\u30c9\u306e\u79fb\u690d\u6027\u304c\u4fdd\u305f\u308c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fee\u6b63\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u4ea4\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ab\u30fc\u30cd\u30eb\u306f\u3053\u308c\u306b\u3088\u308a <strong>\u30c9\u30e9\u30a4\u30d0\u30fc<\/strong> \u305d\u3057\u3066\u3001\u5b89\u5168\u691c\u67fb\u3092\u5fb9\u5e95\u3057\u3066\u5b9f\u65bd\u3057\u3001 <strong>\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9<\/strong>.<\/p>\n\n<h2>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u51e6\u7406\u306e\u6d41\u308c\u306f\u6b21\u306e\u901a\u308a\u3067\u3059<\/h2>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u307e\u305a\u3001read() \u306e\u3088\u3046\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001ABI \u306b\u5f93\u3063\u3066\u5185\u90e8\u756a\u53f7\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e96\u5099\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001syscall \u3084\u30c8\u30e9\u30c3\u30d7\u3068\u3044\u3063\u305f\u7279\u5225\u306a\u547d\u4ee4\u306b\u3088\u3063\u3066\u3001\u30ab\u30fc\u30cd\u30eb\u30e2\u30fc\u30c9\u3078\u306e\u79fb\u884c\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u307e\u3059\u3002 \u30ab\u30fc\u30cd\u30eb\u306f\u305d\u306e\u756a\u53f7\u3092\u8aad\u307f\u53d6\u308a\u3001\u81ea\u8eab\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u9069\u5207\u306a\u30cf\u30f3\u30c9\u30e9\u3092\u691c\u7d22\u3057\u3001\u6e21\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u7528\u3044\u3066\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u623b\u308a\u5024\u3084\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u623b\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u30e2\u30fc\u30c9\u306b\u623b\u308a\u307e\u3059\u3002 \u79c1\u306b\u3068\u3063\u3066\u306f\u3001\u3053\u308c\u306f\u901a\u5e38\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u3088\u3046\u306b\u611f\u3058\u3089\u308c\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u5b8c\u5168\u306a <strong>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u5909\u66f4<\/strong> \u4fdd\u8b77\u6a5f\u80fd\u3092\u542b\u3081\u3001\u304a\u3088\u3073 <strong>\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3<\/strong> \u305d\u306e\u80cc\u5f8c\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/systemcalls_konferenz_8432.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>Linux syscall \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u8df5<\/h2>\n<p>Linux\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u30c6\u30fc\u30d6\u30eb\u3092\u4ecb\u3057\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u3067\u306f\u3001\u5404\u64cd\u4f5c\u306b\u56fa\u6709\u306e\u756a\u53f7\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u304a\u308a\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u95a2\u6570\u3092\u898b\u3064\u3051\u51fa\u3057\u307e\u3059\u3002\u79c1\u306f\u901a\u5e38\u3001glibc\u306e\u4fbf\u5229\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u5074\u306b\u30ec\u30b8\u30b9\u30bf\u3001\u756a\u53f7\u3001\u304a\u3088\u3073\u8ee2\u9001\u306e\u51e6\u7406\u3092\u4efb\u305b\u307e\u3059\u3002 \u4ee3\u8868\u7684\u306a\u4f8b\u3068\u3057\u3066\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u7528\u306e open\u3001read\u3001write\u3001close\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7528\u306e socket \u3084 send\u3001\u3042\u308b\u3044\u306f\u30d7\u30ed\u30bb\u30b9\u7528\u306e fork \u3084 execve \u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u6570\u5024\u3084\u547c\u3073\u51fa\u3057\u898f\u7d04\u306b\u81ea\u3089\u982d\u3092\u60a9\u307e\u305b\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30b9\u30ea\u30e0\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u821e\u53f0\u88cf\u3067\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u552f\u4e00\u306e <strong>\u5165\u308a\u53e3<\/strong>, \u3001\u7279\u6a29\u7684\u306a <strong>\u30b5\u30fc\u30d3\u30b9\u5185\u5bb9<\/strong> \u3092\u63d0\u4f9b\u3059\u308b\u3002<\/p>\n<table>\n  <thead>\n    <tr>\n      <th>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb<\/th>\n      <th>\u30ab\u30c6\u30b4\u30ea\u30fc<\/th>\n      <th>\u7c21\u5358\u306a\u8aac\u660e<\/th>\n      <th>\u90aa\u9b54\u306b\u306a\u308b\uff1f<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>open()<\/td>\n      <td>\u30d5\u30a1\u30a4\u30eb<\/td>\n      <td>\u30d5\u30a1\u30a4\u30eb\u307e\u305f\u306f\u30c7\u30d0\u30a4\u30b9\u3092\u958b\u304d\u3001\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/td>\n      <td>\u3044\u3044\u3048\uff08\u305f\u3060\u3057\u3001\u305d\u306e\u5f8c\u306e\u30a2\u30af\u30bb\u30b9\u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff09<\/td>\n    <\/tr>\n    <tr>\n      <td>read()<\/td>\n      <td>\u30d5\u30a1\u30a4\u30eb\uff0f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/td>\n      <td>\u30d0\u30c3\u30d5\u30a1\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080<\/td>\n      <td>\u306f\u3044\uff08\u30c7\u30fc\u30bf\u304c\u306a\u3044\u5834\u5408\uff09<\/td>\n    <\/tr>\n    <tr>\n      <td>write()<\/td>\n      <td>\u30d5\u30a1\u30a4\u30eb\uff0f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/td>\n      <td>\u30d0\u30c3\u30d5\u30a1\u304b\u3089\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\uff0f\u66f8\u304d\u8fbc\u307f<\/td>\n      <td>\u306f\u3044\uff08\u30d0\u30c3\u30d5\u30a1\u304c\u6e80\u676f\u306e\u5834\u5408\uff09<\/td>\n    <\/tr>\n    <tr>\n      <td>socket()<\/td>\n      <td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/td>\n      <td>\u901a\u4fe1\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u4f5c\u6210\u3059\u308b<\/td>\n      <td>\u3044\u3044\u3048<\/td>\n    <\/tr>\n    <tr>\n      <td>mmap()<\/td>\n      <td>\u30e1\u30e2\u30ea<\/td>\n      <td>\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306b\u30d5\u30a1\u30a4\u30eb\uff0f\u8a18\u61b6\u9818\u57df\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b<\/td>\n      <td>\u3044\u3044\u3048<\/td>\n    <\/tr>\n    <tr>\n      <td>fork()<\/td>\n      <td>\u30d7\u30ed\u30bb\u30b9<\/td>\n      <td>\u65b0\u3057\u3044\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3059\u308b<\/td>\n      <td>\u3044\u3044\u3048<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<h2>\u4ee3\u8868\u7684\u306a\u9069\u7528\u30b7\u30ca\u30ea\u30aa\uff1a\u30d5\u30a1\u30a4\u30eb\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30d7\u30ed\u30bb\u30b9\u3001\u30e1\u30e2\u30ea<\/h2>\n<p>\u3042\u3089\u3086\u308b\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3001\u30ed\u30b0\u884c\u306f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3067\u5b8c\u7d50\u3057\u307e\u3059\u304c\u3001\u307e\u3055\u306b\u305d\u306e\u70b9\u306b\u304a\u3044\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u878d\u5408\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306e\u30aa\u30fc\u30d7\u30f3\u3084\u8aad\u307f\u53d6\u308a\u306e\u969b\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u3069\u306e\u6a29\u9650\u3092\u6709\u52b9\u306b\u3059\u308b\u304b\u3001\u307e\u305f\u30d0\u30c3\u30d5\u30a1\u3092\u3069\u306e\u3088\u3046\u306b\u7ba1\u7406\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3067\u306f\u3001socket\u3001connect\u3001send\u304c\u30d0\u30a4\u30c8\u306e\u3084\u308a\u53d6\u308a\u3092\u5236\u5fa1\u3057\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u304c\u30d7\u30ed\u30bb\u30b9\u3092\u516c\u5e73\u306b\u51e6\u7406\u3057\u307e\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u3057\u3066\u306f\u3001fork\u3084execve\u3092\u4f7f\u3063\u3066\u65b0\u3057\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8d77\u52d5\u3057\u3001wait\u3067\u305d\u306e\u7d42\u4e86\u3092\u5f85\u3061\u307e\u3059\u3002 \u30e1\u30e2\u30ea\u7ba1\u7406\u306b\u304a\u3044\u3066\u306f\u3001brk\u3084mmap\u304c\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306e\u62e1\u5f35\u3084\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5 <strong>\u30e1\u30e2\u30ea<\/strong> \u306b\u3068\u3063\u3066 <strong>\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b<\/strong>.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/system-calls-bridge-os-4837.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\uff1a\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b\u3088\u3046\u306b\u611f\u3058\u3089\u308c\u308b\u7406\u7531<\/h2>\n<p>\u95a2\u6570\u547c\u3073\u51fa\u3057\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u8b77\u5883\u754c\u3092\u8d8a\u3048\u3001\u30ec\u30b8\u30b9\u30bf\u3092\u30bb\u30fc\u30d6\u3057\u3001\u5f15\u6570\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u6700\u5f8c\u306b\u4ee5\u524d\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u5fa9\u5143\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u51e6\u7406\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308b\u305f\u3081\u3001\u591a\u6570\u306e\u5c0f\u3055\u306a\u547c\u3073\u51fa\u3057\u304c\u3042\u308b\u3068\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u5897\u52a0\u3057\u307e\u3059\u3002 \u79c1\u306f\u3001\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3092\u62e1\u5927\u3057\u3001\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0I\/O\u3092\u4f7f\u7528\u3057\u3001\u51e6\u7406\u3092\u307e\u3068\u3081\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3066\u3044\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306e\u5834\u5408\u3001\u3055\u3089\u306bCPU\u30c8\u30dd\u30ed\u30b8\u30fc\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u914d\u7f6e\u5834\u6240\u3001\u304a\u3088\u3073\u30d7\u30ed\u30bb\u30b9\u306e\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u6709\u52b9\u3067\u3059\u3002\u5fae\u8abf\u6574\u3092\u884c\u3046\u969b\u306b\u306f\u3001 <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%83%97%e3%83%ad%e3%82%bb%e3%82%b9-%e3%82%a2%e3%83%95%e3%82%a3%e3%83%8b%e3%83%86%e3%82%a3-numa-%e3%82%a2%e3%82%a6%e3%82%a7%e3%82%a2%e3%83%8d%e3%82%b9-%e3%83%9b\/\">NUMA\u30a2\u30a6\u30a7\u30a2\u30cd\u30b9\u3068\u30a2\u30d5\u30a3\u30cb\u30c6\u30a3<\/a> \u30c7\u30fc\u30bf\u4f1d\u9001\u7d4c\u8def\u3092\u77ed\u7e2e\u3057\u3001 <strong>\u30ab\u30fc\u30f3<\/strong> \u3088\u308a\u52b9\u7387\u7684\u306b <strong>\u4f7f\u3046<\/strong>.<\/p>\n\n<h2>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u6700\u9069\u5316\u306e\u624b\u6bb5<\/h2>\n<p>\u8aad\u307f\u53d6\u308a\u30fb\u66f8\u304d\u8fbc\u307f\u64cd\u4f5c\u306e\u56de\u6570\u3092\u6e1b\u3089\u3057\u3001\u305d\u306e\u4ee3\u308f\u308a\u306b\u56de\u6570\u306f\u5c11\u306a\u304f\u3066\u3082\u898f\u6a21\u306e\u5927\u304d\u306a\u64cd\u4f5c\u3092\u8a08\u753b\u3059\u308b\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u6570\u3092\u524a\u6e1b\u3057\u3066\u3044\u307e\u3059\u3002epoll\u3001kqueue\u3001\u307e\u305f\u306fio_uring \u3092\u7528\u3044\u305f\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u306e\u30eb\u30fc\u30d7\u306b\u3088\u308a\u3001\u30b9\u30ec\u30c3\u30c9\u306e\u4f7f\u7528\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u5fdc\u7b54\u6642\u9593\u3092\u4f4e\u304f\u4fdd\u3063\u3066\u3044\u307e\u3059\u3002 \u9069\u5207\u306a\u5834\u9762\u3067\u306f\u3001\u7121\u6570\u306eread\/write\u547c\u3073\u51fa\u3057\u3092\u9001\u4fe1\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001mmap\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u30de\u30c3\u30d7\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u30b9\u30da\u30fc\u30b9\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u5197\u9577\u306a\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u56de\u907f\u3057\u3001\u30db\u30c3\u30c8\u30d1\u30b9\u3092\u6e29\u5b58\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u624b\u6cd5\u306f\u3044\u305a\u308c\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e2\u30c7\u30eb\u306b\u306f\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u305b\u3093\u304c\u3001 <strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/strong> \u305d\u3057\u3066\u3001\u5927\u5207\u306b\u6271\u3046 <strong>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u5909\u66f4<\/strong>.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/system_calls_tech_office_7421.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u76e3\u8996\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h2>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u771f\u5263\u306b\u8003\u3048\u308b\u306a\u3089\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u89b3\u5bdf\u3057\u3001\u7570\u5e38\u3092\u65e9\u671f\u306b\u691c\u77e5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u79c1\u306f\u30c8\u30ec\u30fc\u30b7\u30f3\u30b0\u30c4\u30fc\u30eb\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u76e3\u67fb\u30ed\u30b0\u3092\u6d3b\u7528\u3057\u3066\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3084\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u30d1\u30b9\u3092\u53ef\u8996\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u30db\u30b9\u30c8\u4e0a\u306e\u539f\u56e0\u3092\u8fc5\u901f\u306b\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u79c1\u306f\u3088\u304f <a href=\"https:\/\/webhosting.de\/ja\/bpftrace-%e3%81%ab%e3%82%88%e3%82%8b%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%81%ae%e5%95%8f%e9%a1%8c%e3%81%ae%e6%97%a9%e6%9c%9f%e7%99%ba%e8%a6%8b\/\">bpftrace \u306e\u52d5\u4f5c<\/a> 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\u3053\u306e\u3088\u3046\u306a\u74b0\u5883\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u30ab\u30fc\u30cd\u30eb\u3078\u306e\u552f\u4e00\u306e\u9069\u5207\u306a\u5165\u308a\u53e3\u3068\u306a\u308b\u305f\u3081\u3001\u79c1\u306f\u53b3\u683c\u306a\u5236\u5fa1\u3092\u91cd\u8996\u3057\u3066\u3044\u307e\u3059\u3002\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3092\u5b89\u5168\u306b\u904b\u7528\u3059\u308b\u8005\u306f\u3001\u3053\u308c\u3089\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u7406\u89e3\u3057\u3001\u52b9\u679c\u306e\u3042\u308b\u7b87\u6240\u3067\u30eb\u30fc\u30eb\u3092\u5f37\u5316\u3057\u307e\u3059\u3002\u78ba\u304b\u306a\u57fa\u790e\u77e5\u8b58\u3092\u63d0\u4f9b\u3057\u307e\u3059 <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc-%e3%82%b3%e3%83%b3%e3%83%86%e3%82%ad%e3%82%b9%e3%83%88-%e5%88%86%e9%9b%a2-%e5%90%8d%e5%89%8d%e7%a9%ba%e9%96%93-c%e3%82%b0%e3%83%ab%e3%83%bc%e3%83%97-%e3%83%9b\/\">\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u3068cgroups<\/a>, \u3001\u5225\u308c\u3001\u305d\u3057\u3066 <strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong> \u5b64\u7acb\u3057\u305f <strong>\u6587\u8108<\/strong> \u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/dev_desk_system_calls_7316.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30ab\u30fc\u30cd\u30eb\u306e\u5185\u90e8\u69cb\u9020\uff1a\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u30e3\u3001\u30c6\u30fc\u30d6\u30eb\u3001\u30c8\u30e9\u30c3\u30d7<\/h2>\n<p>\u30ab\u30fc\u30cd\u30eb\u306b\u306f\u3001\u756a\u53f7\u3092\u95a2\u6570\u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3001\u3053\u308c\u306b\u3088\u308a\u8fc5\u901f\u306a\u5b9f\u884c\u958b\u59cb\u3092\u53ef\u80fd\u306b\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u30c6\u30fc\u30d6\u30eb\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30c8\u30e9\u30c3\u30d7\u547d\u4ee4\u307e\u305f\u306f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u547d\u4ee4\u304c\u30b8\u30e3\u30f3\u30d7\u51e6\u7406\u3092\u884c\u3044\u3001\u305d\u306e\u9593\u3001CPU\u306f\u7279\u6a29\u30e2\u30fc\u30c9\u306b\u79fb\u884c\u3057\u307e\u3059\u3002 \u305d\u306e\u5f8c\u3001\u30cf\u30f3\u30c9\u30e9\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u6a29\u9650\u3001\u304a\u3088\u3073\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u53c2\u7167\u3092\u691c\u8a3c\u3057\u3066\u304b\u3089\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30bf\u30c3\u30af\u306a\u3069\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u30a8\u30e9\u30fc\u306f\u8ca0\u306e\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3088\u3063\u3066errno\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002\u79c1\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u306e\u306f\u3001\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u30e3\u304c\u4f9d\u7136\u3068\u3057\u3066\u4e2d\u5fc3\u7684\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002 <strong>\u30b9\u30a4\u30c3\u30c1<\/strong>, 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\u6e96\u4eee\u60f3\u5316\u30c9\u30e9\u30a4\u30d0\u3084\u6700\u65b0\u306e\u4eee\u60f3\u5316\u30b9\u30bf\u30c3\u30af\u306b\u3088\u3063\u3066\u3053\u306e\u5f71\u97ff\u306f\u7de9\u548c\u3055\u308c\u307e\u3059\u304c\u3001\u6700\u5584\u306e\u6700\u9069\u5316\u7b56\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001I\/O\u30c1\u30e3\u30f3\u30af\u306e\u30b5\u30a4\u30ba\u3092\u5927\u304d\u304f\u3059\u308b\u3053\u3068\u3001\u975e\u540c\u671f\u8a2d\u8a08\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3001\u305d\u3057\u3066\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u306e\u6570\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u9069\u5207\u306b\u675f\u306d\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n<h2>\u30d5\u30a1\u30a4\u30eb\u304a\u3088\u3073\u30bd\u30b1\u30c3\u30c8\u306e\u30d5\u30e9\u30b0\uff1a\u885b\u751f\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h2>\n<p>exec \u5b9f\u884c\u6642\u306b\u8a18\u8ff0\u5b50\u304c\u5b50\u30d7\u30ed\u30bb\u30b9\u306b\u300c\u6d41\u51fa\u300d\u3057\u306a\u3044\u3088\u3046\u3001CLOEXEC \u30d5\u30e9\u30b0\uff08O_CLOEXEC\u3001SOCK_CLOEXEC\uff09\u3092\u4e00\u8cab\u3057\u3066\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002O_NONBLOCK \u306f\u610f\u56f3\u3057\u306a\u3044\u30d6\u30ed\u30c3\u30af\u3092\u9632\u6b62\u3057\u3001epoll \u30d9\u30fc\u30b9\u306e\u30eb\u30fc\u30d7\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002 openat\u3068\u9069\u5207\u306b\u9078\u629e\u3055\u308c\u305fdirfd\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30b9\u89e3\u6c7a\u6642\u306eTOCTOU\u30ec\u30fc\u30b9\u3092\u4f4e\u6e1b\u3057\u3001\u5236\u9650\u7684\u306a\u30d5\u30e9\u30b0\uff08\u4f8b\uff1aNOFOLLOW\u3001DIRECTORY\u3001TMPFILE\uff09\u306b\u3088\u3063\u3066\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u7e2e\u5c0f\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u554f\u984c\u3068\u306a\u308b\u4ee5\u524d\u306b\u3001\u5805\u7262\u306a\u57fa\u76e4\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u30aa\u30d6\u30b6\u30fc\u30d0\u30d3\u30ea\u30c6\u30a3\u6226\u7565\u3068\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/h2>\n<p>\u79c1\u306f\u8ab2\u984c\u306b\u5fdc\u3058\u3066\u30c4\u30fc\u30eb\u3092\u9078\u3093\u3067\u3044\u307e\u3059\u3002\u7d20\u65e9\u3044\u4eee\u8aac\u3092\u7acb\u3066\u308b\u306b\u306fstrace\u3001\u30b3\u30fc\u30c9\u5185\u306e\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3092\u7279\u5b9a\u3059\u308b\u306b\u306fperf\u306b\u3088\u308b\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3001\u305d\u3057\u3066\u9069\u5ea6\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3067\u591a\u6570\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306feBPF\u30d9\u30fc\u30b9\u306e\u30c8\u30ec\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 \u305d\u306e\u969b\u3001\u6e2c\u5b9a\u3068\u5f71\u97ff\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u4fdd\u3064\u305f\u3081\u306b\u3001\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3001\u30c9\u30ed\u30c3\u30d7\u30ab\u30a6\u30f3\u30bf\u30fc\u3001\u30d5\u30a3\u30eb\u30bf\u306b\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u547c\u3073\u51fa\u3057\u3092\u78ba\u8a8d\u3057\u3088\u3046\u3068\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u81ea\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3088\u308a\u3082\u3001\u9069\u5207\u306a\u5c11\u6570\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u5b89\u5b9a\u3057\u3066\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u306e\u65b9\u304c\u91cd\u8981\u3060\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u30ea\u30bd\u30fc\u30b9\u5236\u9650\u3001\u30af\u30a9\u30fc\u30bf\u3001\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc<\/h2>\n<p>\u591a\u304f\u306e\u300c\u8b0e\u3081\u3044\u305f\u300d\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306f\u3001\u5358\u306b\u30ea\u30bd\u30fc\u30b9\u304c\u67af\u6e07\u3057\u305f\u3060\u3051\u306e\u5834\u5408\u304c\u591a\u3044\u3002\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3067\u306fEMFILE\/ENFILE\u3001\u30af\u30a9\u30fc\u30bf\u3067\u306fENOSPC\/EDQUOT\u3001\u30d0\u30c3\u30d5\u30a1\u4e0d\u8db3\u3067\u306fENOMEM\u3068\u3044\u3063\u305f\u5177\u5408\u3060\u3002 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\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u5236\u5fa1\u53ef\u80fd\u306a\u72b6\u614b\u306b\u4fdd\u3061\u3001\u5927\u91cf\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u5931\u6557\u3059\u308b\u3053\u3068\u306b\u3088\u308b\u9023\u9396\u7684\u306a\u30a8\u30e9\u30fc\u3092\u56de\u907f\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30c1\u30fc\u30e0\u306e\u305f\u3081\u306e\u5b9f\u8df5\u7684\u306a\u30d2\u30f3\u30c8<\/h2>\n<p>\u5b9f\u969b\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3067\u6e2c\u5b9a\u3092\u958b\u59cb\u3057\u3001\u3069\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u6700\u3082\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u304b\u3001\u307e\u305f\u305d\u306e\u6240\u8981\u6642\u9593\u304c\u3069\u308c\u304f\u3089\u3044\u304b\u3092\u89b3\u5bdf\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30d0\u30c3\u30d5\u30a1\u3092\u5897\u3084\u3057\u3001\u9069\u5207\u306a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8a2d\u5b9a\u3057\u3001\u30b9\u30ec\u30c3\u30c9\u304c\u4e0d\u5fc5\u8981\u306b\u5f85\u6a5f\u3057\u306a\u3044\u3088\u3046\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30e2\u30fc\u30c9\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002 \u30c7\u30fc\u30bf\u30d1\u30b9\u306b\u95a2\u3057\u3066\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u81ea\u4f53\u3092\u8abf\u6574\u3059\u308b\u524d\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u95a2\u6570\u3001I\/O\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3001\u30de\u30a6\u30f3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5074\u3067\u306f\u3001\u63a5\u7d9a\u306e\u518d\u5229\u7528\u3068Accept\u6226\u7565\u306b\u6ce8\u610f\u3092\u6255\u3044\u307e\u3059\u3002\u3053\u306e\u624b\u9806\u306b\u3088\u308a\u3001\u6642\u9593\u3092\u7bc0\u7d04\u3057\u3001\u8aa4\u89e3\u3092\u9632\u304e\u3001\u771f\u306b\u91cd\u8981\u306a\u90e8\u5206\u306b\u96c6\u4e2d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <strong>\u30dc\u30c8\u30eb\u30cd\u30c3\u30af<\/strong> \u306b\u65bc\u3044\u3066 <strong>\u5165\u51fa\u529b<\/strong>.<\/p>\n\n<h2>\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u306e\u75c7\u72b6\u3068\u30c7\u30d0\u30c3\u30b0<\/h2>\n<p>\u547c\u3073\u51fa\u3057\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u3001errno \u306f\u660e\u78ba\u306a\u624b\u304c\u304b\u308a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002EPERM \u306f\u6a29\u9650\u4e0d\u8db3\u3001EFAULT \u306f\u7121\u52b9\u306a\u30dd\u30a4\u30f3\u30bf\u3001ENOENT \u306f\u30d1\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u8a73\u7d30\u306a\u8abf\u67fb\u306b\u5165\u308b\u524d\u306b\u3001\u307e\u305a\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3001\u30aa\u30d5\u30bb\u30c3\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 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