1--TEST--
2proc_nice() basic behaviour
3--CREDITS--
4Italian PHP TestFest 2009 Cesena 19-20-21 june
5Fabio Fabbrucci (fabbrucci@grupporetina.com)
6Michele Orselli (mo@ideato.it)
7Simone Gentili (sensorario@gmail.com)
8--SKIPIF--
9<?php
10if(!function_exists('proc_nice')) die("skip. proc_nice not available ");
11if(substr(strtoupper(PHP_OS), 0, 3) == 'WIN') die('skip. not for Windows');
12exec('ps -p 1 -o "pid,nice"', $output, $exit_code);
13if ($exit_code !== 0) {
14    die("skip ps -p is not available");
15}
16?>
17--FILE--
18<?php
19	function getNice($id)
20	{
21		$res = shell_exec('ps -p ' . $id .' -o "pid,nice"');
22		preg_match('/^\s*\w+\s+\w+\s*(\d+)\s+(\d+)/m', $res, $matches);
23		if (count($matches) > 2)
24			return $matches[2];
25		else
26			return -1;
27	}
28	$delta = 10;
29	$pid = getmypid();
30	$niceBefore = getNice($pid);
31	proc_nice($delta);
32	$niceAfter = getNice($pid);
33	var_dump($niceBefore == ($niceAfter - $delta));
34?>
35--EXPECT--
36bool(true)
37