67 lines
1.4 KiB
PHP
67 lines
1.4 KiB
PHP
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<?php
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/**
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* Created by PhpStorm.
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* User: Jenner
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* Date: 2015/11/2
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* Time: 17:45
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*/
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namespace Jenner\SimpleFork;
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/**
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* fixed pool
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*
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* @package Jenner\SimpleFork
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*/
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class FixedPool extends AbstractPool
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{
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/**
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* @var int max process count
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*/
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protected $max;
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/**
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* @param int $max
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*/
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public function __construct($max = 4)
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{
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$this->max = $max;
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}
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public function execute(Process $process)
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{
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Utils::checkOverwriteRunMethod(get_class($process));
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if ($this->aliveCount() < $this->max && !$process->isStarted()) {
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$process->start();
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}
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array_push($this->processes, $process);
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}
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/**
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* wait for all process done
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*
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* @param bool $block block the master process
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* to keep the sub process count all the time
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* @param int $interval check time interval
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*/
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public function wait($block = false, $interval = 100)
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{
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do {
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if ($this->isFinished()) {
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return;
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}
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parent::wait(false);
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if ($this->aliveCount() < $this->max) {
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foreach ($this->processes as $process) {
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if ($process->isStarted()) continue;
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$process->start();
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if ($this->aliveCount() >= $this->max) break;
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}
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}
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$block ? usleep($interval) : null;
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} while ($block);
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}
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}
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