note 87198 added to function.flock

Last example is wrong. Regarding to * in code : if flock is not obtained but was acquired in exclusive mode, this flock will hang waiting for the lock to be released. Using LOCK_NB would enter that if block. Correct me if i'm wrong. <?php// waiting until file will be locked for writing (1000 milliseconds as timeout) if ($fp = fopen($fileName, 'a')) { $startTime = microtime(); do { $canWrite = flock($fp, LOCK_EX); // If lock not obtained sleep for 0 - 100 milliseconds, to avoid collision and CPU load * if(!$canWrite) usleep(round(rand(0, 100)*1000)); } while ((!$canWrite)and((microtime()-$startTime) < 1000)); //file was locked so now we can store information if ($canWrite) { fwrite($fp, $dataToSave); } fclose($fp); }?> ---- Server IP: 213.92.11.19 Probable Submitter: 194.184.159.6 ---- Manual Page -- http://www.php.net/manual/en/function.flock.php Edit -- https://master.php.net/note/edit/87198 Del: integrated -- https://master.php.net/note/delete/87198/integrated Del: useless -- https://master.php.net/note/delete/87198/useless Del: bad code -- https://master.php.net/note/delete/87198/bad+code Del: spam -- https://master.php.net/note/delete/87198/spam Del: non-english -- https://master.php.net/note/delete/87198/non-english Del: in docs -- https://master.php.net/note/delete/87198/in+docs Del: other reasons-- https://master.php.net/note/delete/87198 Reject -- https://master.php.net/note/reject/87198 Search -- https://master.php.net/manage/user-notes.php