note 110916 added to function.time-nanosleep

From: Date: Sat, 22 Dec 2012 11:52:17 +0000
Subject: note 110916 added to function.time-nanosleep
Groups: php.notes 
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I have a good delay instruction on windows. Other use a busy loop, I do not. Busy loops can be exploited by hackers. [code] function nano_sleep($sec, $usec){ { $start = gettimeofday(); for($i = 0;$timePassed / 100 < $usec;$i++){ $stop = gettimeofday(); $timePassed = 1000000 * ($stop['sec'] - $start['sec']) + $stop['usec'] - $start['usec']; } } [/code] This avoids the busy loop behaviour by using a for loop. ---- Server IP: 83.137.20.135 Probable Submitter: 87.210.94.47 ---- Manual Page -- http://php.net/manual/en/function.time-nanosleep.php Edit -- https://master.php.net/note/edit/110916 Del: integrated -- https://master.php.net/note/delete/110916/integrated Del: useless -- https://master.php.net/note/delete/110916/useless Del: bad code -- https://master.php.net/note/delete/110916/bad+code Del: spam -- https://master.php.net/note/delete/110916/spam Del: non-english -- https://master.php.net/note/delete/110916/non-english Del: in docs -- https://master.php.net/note/delete/110916/in+docs Del: other reasons-- https://master.php.net/note/delete/110916 Reject -- https://master.php.net/note/reject/110916 Search -- https://master.php.net/manage/user-notes.php

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