{"author_name":"sternheller","author_url":"https://blog.hatena.ne.jp/sternheller/","type":"rich","blog_url":"https://sternheller.hatenadiary.org/","image_url":null,"provider_name":"Hatena Blog","title":"\u30d1\u30a4\u30d7\u304c\u3046\u307e\u304f\u52d5\u304b\u306a\u3044\u7406\u7531","height":"190","provider_url":"https://hatena.blog","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsternheller.hatenadiary.org%2Fentry%2F20081210%2F1228878751\" title=\"\u30d1\u30a4\u30d7\u304c\u3046\u307e\u304f\u52d5\u304b\u306a\u3044\u7406\u7531 - sternheller\u306e\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>","description":"\u524d\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u306b\u66f8\u3044\u305f\u3001\u30d1\u30a4\u30d7\u304c\u3046\u307e\u304f\u52d5\u304b\u306a\u3044\u7406\u7531\u304c\u5206\u304b\u3063\u305f\u3002pipe()\u3092\u5b9f\u884c\u3057\u305f\u5f8c\u306b\u3001\u4e0d\u5fc5\u8981\u306a\u30d1\u30a4\u30d7\u3092\u3061\u3083\u3093\u3068\u9589\u3058\u3066\u306a\u3044\u304b\u3089\u3001\u901a\u4fe1\u8def\u304c\u3046\u307e\u304f\u8a2d\u5b9a\u3067\u304d\u3066\u306a\u304b\u3063\u305f\u307f\u305f\u3044\u3067\u3059\u3002\u4eca\u306f\u81ea\u4f5c\u30b7\u30a7\u30eb\u306b\u591a\u6bb5\u30d1\u30a4\u30d7\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u3093\u3067\u3059\u304c\u3001\u3053\u306e\u5834\u5408 \u30b7\u30a7\u30eb\u30d7\u30ed\u30bb\u30b9\uff08\u89aa\u30d7\u30ed\u30bb\u30b9\uff09 pipe(int pfd[2])\u3092\u5b9f\u884c fork() pfd[1]\uff08\u30d1\u30a4\u30d7\u5165\u529b\uff09\u3092close\u3057\u3066\u3001\u5b50\u30d7\u30ed\u30bb\u30b9\u3092wait\u3059\u308b \u5b50\u30d7\u30ed\u30bb\u30b9 dup2(pfd[1], 1)\u3057\u3066\u3001\u30d1\u30a4\u30d7\u3078\u51fa\u529b\u3059\u308b\u3088\u3046\u306b\u3064\u306a\u304e\u304b\u3048\u308b pfd[0]\u3001pfd[1]\u3092close \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c \u30b7\u30a7\u30eb\u30d7\u30ed\u30bb\u30b9\uff08\u89aa\u30d7\u30ed\u30bb\u30b9\uff09 pfd[0]\uff08\u30d1\u30a4\u30d7\u51fa\u529b\uff09\u304b\u3089\u51e6\u7406\u7d50\u679c\u3092\u8aad\u2026","categories":["Study","Unix"],"blog_title":"sternheller\u306e\u65e5\u8a18","published":"2008-12-10 12:12:31","width":"100%","url":"https://sternheller.hatenadiary.org/entry/20081210/1228878751"}