各位大大，ProcessBuilder 这个类可否增加支持创建多个子进程

[liida]

各位大大，ProcessBuilder 这个类可否增加支持创建多个子进程
因为我看swoft框架里面是这样的
@Process(name="getGoodProcess", coroutine=false,num=10)，
但是目前组件不支持
以下是我修改后的

if($num > 1){
                $childProcesses = [];
                $pid = $process->getProcess()->pid;
                while($num > 0){
                    $child = new SwooleProcess(function (SwooleProcess $child) use ($process,$pid,$processObject,$num,$name) {
                        $child = new Process($child);
                        $child->name($name." child process");
                        PhpHelper::call([$processObject, 'run'], [$child]);
                    });
                    $child->name($name." manager process");
                    $child->start();
                    App::trigger(ProcessEvent::BEFORE_PROCESS, null, $name.":child:".$child->pid);
                    $num --;
                    $childProcesses[$pid][$child->pid] = 1;
                }
                Process::signal(SIGCHLD, function($sig) use ($childProcesses,$pid,$process,$name) {
                    //必须为false，非阻塞模式
                    while(1){
                        $ret =  Process::wait(false);
                        if($ret){
                            App::trigger(ProcessEvent::AFTER_PROCESS, null, $name.":child:".$ret['pid']);
                            unset($childProcesses[$pid][$ret['pid']]);
                            if(!$childProcesses[$pid]){
                                break;
                            }
                        }
                    }
                    if($childProcesses[$pid]){
                        foreach ($childProcesses[$pid] as $cid=>$v){
                            App::trigger(ProcessEvent::AFTER_PROCESS, null, $name.":child:".$cid);
                        }
                        unset($childProcesses[$pid]);
                    }
                    $process->exit();
                });
            }else{
                PhpHelper::call([$processObject, 'run'], [$process]);
            }

Originally posted by @liida in #153 (comment)