{"provider_name":"Hatena Blog","image_url":null,"url":"https://ryuichi1208.hateblo.jp/entry/2021/10/04/000706","published":"2021-10-04 00:07:06","title":"\u3010Perl\u3011\u30a2\u30e9\u30fc\u30e0\u3067\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8","height":"190","version":"1.0","description":"\u30a4\u30c7\u30a3\u30aa\u30e0\u7684\u306b\u66f8\u3044\u3066\u304a\u304f\u3002 #!/usr/bin/perl use strict; use warnings; local $@; eval { local $SIG{ALRM} = sub { die \"timeout!!\\n\"; }; alarm 2; sleep 3; # \u6642\u9593\u306e\u304b\u304b\u308b\u51e6\u7406 alarm 0; }; if ( $@ ) { print \"exception: $@\"; } alarm ${\u6570\u5b57}\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067alarm(2)\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3002man\u3088\u308a\u629c\u7c8b alarm() \u306f SIGALRM \u30b7\u30b0\u30ca\u30eb\u3092 seconds \u79d2\u5f8c\u306b\u547c\u3073\u51fa\u3057\u305f\u30d7\u30ed\u30bb\u30b9\u306b\u914d\u9001\u3059\u308b\u3088\u3046\u306b\u624b\u914d\u3059\u308b\u3002 s\u2026","blog_url":"https://ryuichi1208.hateblo.jp/","width":"100%","author_url":"https://blog.hatena.ne.jp/ryuichi1208/","author_name":"ryuichi1208","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryuichi1208.hateblo.jp%2Fentry%2F2021%2F10%2F04%2F000706\" title=\"\u3010Perl\u3011\u30a2\u30e9\u30fc\u30e0\u3067\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8 - \u5730\u65b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u7fd2\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>","categories":[],"blog_title":"\u5730\u65b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u7fd2\u65e5\u8a18","provider_url":"https://hatena.blog","type":"rich"}