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<?php namespace Comodojo\Extender\Components; |
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use \Exception; |
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/** |
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* Basic signaling for extender components |
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* |
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* @package Comodojo Framework |
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* @author Marco Giovinazzi <[email protected]> |
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* @license GPL-3.0+ |
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* |
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* LICENSE: |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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class ProcessUtils { |
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/** |
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* Kill a child process |
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* |
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* @return bool |
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*/ |
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View Code Duplication |
public static function kill($pid, $lagger_timeout = 0) { |
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$kill_time = time() + self::$lagger_timeout; |
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$term = posix_kill($pid, SIGTERM); |
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while ( time() < $kill_time ) { |
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if ( !self::isRunning($pid) ) return $term; |
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} |
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return posix_kill($pid, SIGKILL); |
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} |
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/** |
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* Return true if process is still running, false otherwise |
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* |
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* @return bool |
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*/ |
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public static function isRunning($pid) { |
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return (pcntl_waitpid($pid, $status, WNOHANG) === 0); |
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} |
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public static function getNiceness($pid = null) { |
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return pcntl_getpriority($pid); |
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} |
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public function setNiceness($niceness = null, $pid = null) { |
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$niceness = self::filterNiceness($niceness); |
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if ( is_null($pid) ) { |
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return proc_nice($niceness); |
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} |
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return pcntl_setpriority($pid, $$niceness); |
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} |
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View Code Duplication |
public static function filterNiceness($niceness=null) { |
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return filter_var($niceness, FILTER_VALIDATE_INT, array( |
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'options' => array( |
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'default' => 0, |
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'min_range' => -10, |
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'max_range' => 10 |
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) |
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)); |
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} |
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} |
comodojo /
extender.framework
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.