{"provider_name":"Hatena Blog","published":"2019-12-21 21:00:00","blog_url":"https://bg1.hatenablog.com/","type":"rich","url":"https://bg1.hatenablog.com/entry/2019/12/21/210000","version":"1.0","height":"190","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/BG1/","author_name":"BG1","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbg1.hatenablog.com%2Fentry%2F2019%2F12%2F21%2F210000\" title=\"alarm - \u8eca\u8f2a\u306ex\u767a\u660e ~B.G&#39;s Blog~\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"title":"alarm","blog_title":"\u8eca\u8f2a\u306ex\u767a\u660e ~B.G's Blog~","categories":["UNIX\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb"],"description":"alarm\u306b\u79d2\u6570\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u6307\u5b9a\u3057\u305f\u79d2\u5f8c\u306b\u30b7\u30b0\u30ca\u30ebSIGALRM\u3092\u767a\u751f\u3055\u305b\u308b\u3002Man page of ALARM\u3053\u308c\u3092\u4f7f\u3063\u3066\u3001\u30a2\u30e9\u30fc\u30e0(\u30bf\u30a4\u30de\u30fc)\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u30023\u79d2\u5f8c\u306bSIGALRM\u3092\u767a\u751f\u3055\u305b\u3001handler\u3067\u62fe\u3046\u3002 $ vi alarm.c $ gcc alarm.c -o alarm $ ./alarm process running...(signal(SIGALRM, handler)) process running...(signal(SIGALRM, handler)) process running...(signal(SIGALRM, handler)) si\u2026"}