public function handle()
{
if (Globals::RUNTIME_MODE_CLI !== App::environment(Globals::ENV_RUNTIME_MODE)) {
throw new ConsoleException("Only run in command line mode");
}
//加载Worker并为每个Worker创建一个子进程，然后进入休眠，当接收到信号量时，则执行相应的进程调度操作。
if (!function_exists("pcntl_signal")) {
throw new ConsoleException("PHP does not appear to be compiled with the PCNTL extension.This is neccesary for daemonization");
}
if (function_exists("gc_enable")) {
gc_enable();
}
$daemon = Daemon::make($_SERVER['argc'], $_SERVER['argv']);
try {
/**
* @var $daemon Daemon
*/
if (isset($daemon)) {
$daemon->start();
sleep(1);
Console::line("Daemon [" . $daemon->getPID() . "] started.");
}
} catch (\Exception $ex) {
throw new DaemonException($daemon->getName(), $ex->getMessage(), $ex);
}
}
