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40 lines
1.2 KiB
PHP
40 lines
1.2 KiB
PHP
--TEST--
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proc_nice() basic behaviour
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--CREDITS--
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Italian PHP TestFest 2009 Cesena 19-20-21 june
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Fabio Fabbrucci (fabbrucci@grupporetina.com)
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Michele Orselli (mo@ideato.it)
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Simone Gentili (sensorario@gmail.com)
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--SKIPIF--
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<?php
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if(!function_exists('proc_nice')) die("skip. proc_nice not available ");
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if(substr(strtoupper(PHP_OS), 0, 3) == 'WIN') die('skip. not for Windows');
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if(PHP_OS_FAMILY === 'Solaris') die('skip Solaris has different nice levels');
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exec('ps -p 1 -o "pid,nice"', $output, $exit_code);
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if ($exit_code !== 0) {
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die("skip ps -p is not available");
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}
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?>
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--FILE--
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<?php
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function getNice($id)
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{
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$res = shell_exec('ps -p ' . $id .' -o "pid,nice"');
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preg_match('/^\s*\w+\s+\w+\s*(\d+)\s+(-?\d+)/m', $res, $matches);
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if (count($matches) > 2)
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return $matches[2];
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else
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return -1;
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}
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$delta = 5;
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$pid = getmypid();
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$niceBefore = getNice($pid);
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proc_nice($delta);
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$niceAfter = getNice($pid);
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// The maximum niceness level is 19, if the process is already running at a high niceness, it cannot be increased.
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// Decreasing is only possible for superusers.
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var_dump(min($niceBefore + $delta, 19) == $niceAfter);
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?>
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--EXPECT--
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bool(true)
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