50 lines
1 KiB
PHP
50 lines
1 KiB
PHP
<?php
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namespace PHPCensor\ProcessControl;
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/**
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* Control processes using the "ps" and "kill" commands.
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*
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* @author Adirelle <adirelle@gmail.com>
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*/
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class UnixProcessControl implements ProcessControlInterface
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{
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/**
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* Check process using the "ps" command.
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*
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* @param int $pid
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* @return boolean
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*/
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public function isRunning($pid)
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{
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$output = $exitCode = null;
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exec(sprintf("ps %d", $pid), $output, $exitCode);
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return $exitCode === 0;
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}
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/**
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* {@inheritdoc}
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*/
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public function kill($pid, $forcefully = false)
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{
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$output = [];
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$result = 1;
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exec(sprintf("kill -%d %d", $forcefully ? 9 : 15, $pid), $output, $result);
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return !$result;
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}
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/**
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* Check whether the commands "ps" and "kill" are available.
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*
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* @return bool
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*
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* @internal
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*/
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public static function isAvailable()
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{
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return DIRECTORY_SEPARATOR === '/' && exec("which ps") && exec("which kill");
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}
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}
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