hphp/test/slow/program_functions/repo_contention.php

   1 <?php
   2
   3 function foobar($i) {
   4   usleep(500*1000);
   5 }
   6
   7 function main($num) {
   8   $cmd = file_get_contents("/proc/self/cmdline");
   9   $cmd = str_replace("\000", " ", $cmd);
  10   $start = microtime(true);
  11
  12   echo "Starting $num procs\n";
  13   for ($i = 0;
  14  $i < $num;
  15  $i++) {
  16     $handles[] = proc_open($cmd." $i", array(), $pipes);
  17   }
  18   while ($handles) {
  19     foreach ($handles as $i => $handle) {
  20       $status = proc_get_status($handle);
  21       if (!$status['running']) {
  22         proc_close($handle);
  23         unset($handles[$i]);
  24       }
  25     }
  26   }
  27   echo "Done $num procs\n";
  28   return microtime(true) - $start;
  29 }
  30 if (count($argv) > 1) {
  31   foobar($argv[1]);
  32 }
  33  else {
  34   $x10 = main(10);
  35   $x200 = main(200);
  36   echo $x10 * 20 < $x200 ? "Failed" : "Passed", "\n";
  37 }