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fjallstrom/filelocking poc

Last active December 25, 2015 09:39
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filelocking poc
<?php
$lockfile = '/tmp/cron_mylongrunningstuff.lock';
if(file_exists($lockfile)){
echo 'Hey, another process is already running, lockfile: '.$lockfile."\n";
exit(0);
}else{
if(touch($lockfile)){
# run script that takes sooper long time to complete
unlink($lockfile);
}
}
?>
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