<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body><refs xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><ul xmlns="http://www.w3.org/1999/xhtml"><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[1]</anchor-end> <cite>Time::HiRes - search.cpan.org</cite>
(<time>2016-06-20 16:35:50 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://search.cpan.org/dist/Time-HiRes/HiRes.pm">http://search.cpan.org/dist/Time-HiRes/HiRes.pm</anchor-external></li></ul></refs><section><h1>API</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="2" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[2]</anchor-end> <figure class="short list"><ul><li><code>time</code></li><li><code>clock_gettime</code></li></ul></figure></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[3]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Mac OS X</anchor> は <code>clock_gettime</code> を実装していないため、
2016年3月よりも前の <code>Time::HiRes</code> では実行時エラーとなります。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[4]</anchor-end> <cite xml:lang="en">Bug #78656 for Time-HiRes: Patch: OSX clock_getres() and clock_gettime() support</cite>
(<time>2016-07-25 18:39:48 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://rt.cpan.org/Public/Bug/Display.html?id=78656">https://rt.cpan.org/Public/Bug/Display.html?id=78656</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[5]</anchor-end> <cite xml:lang="en">Bug #128972 for perl5: Build failure on OS X 10.12 Sierra</cite>
(<time>2017-01-21 10:58:19 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://rt.perl.org/Public/Bug/Display.html?id=128972">https://rt.perl.org/Public/Bug/Display.html?id=128972</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[6]</anchor-end> <cite>#52012 (perl5.24: build error on Sierra (use of undeclared identifier 'darwin_time_mutex')) – MacPorts</cite>
(<time>2017-01-21 10:58:30 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://trac.macports.org/ticket/52012">https://trac.macports.org/ticket/52012</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="7" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[7]</anchor-end> <cite xml:lang="en">Time::HiRes: fix Darwins with clock_gettime</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">mistydemeo</anchor>著, <time>2016-06-18 04:49:44 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/Perl/perl5/commit/2d41a263c0e09e6dfabecd28212d7e80b42dc3e6">https://github.com/Perl/perl5/commit/2d41a263c0e09e6dfabecd28212d7e80b42dc3e6</anchor-external></p><figure class="quote"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[8]</anchor-end> <cite>perl5252delta - search.cpan.org</cite>
(<time>2017-01-21 11:37:30 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://search.cpan.org/~abigail/perl/pod/perl5252delta.pod">http://search.cpan.org/~abigail/perl/pod/perl5252delta.pod</anchor-external></figcaption><blockquote><p>Time::HiRes has been upgraded from version 1.9733 to 1.9734.</p></blockquote></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="9" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[9]</anchor-end> <code>time</code> を上書きすると普通の <code>time</code> が高精度になって便利なんですが、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">コード</anchor>を<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">コピペ</anchor>していると高精度のつもりが標準の低精度のになってたりして、
思わぬ<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">不具合</anchor>の原因で危険でもあるんですよねぇ。</p></section></body></html>