swoole_server::$master_pid

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<?php
//$serv = new swoole_server("0.0.0.0", 9502, SWOOLE_BASE, SWOOLE_SOCK_UDP);
$serv = new swoole_server("0.0.0.0", 9502, SWOOLE_PROCESS, SWOOLE_SOCK_UDP);
$serv->set(array(
    'dispatch_mode' => 1,
    'worker_num' => 1,    //worker process num
    //'log_file' => '/tmp/swoole.log',
    //'daemonize' => true,
));
function my_onStart($serv)
{
    echo "MasterPid={$serv->master_pid}|Manager_pid={$serv->manager_pid}\n";
    echo "Server: start.Swoole version is [".SWOOLE_VERSION."]\n";
}
function my_onReceive(swoole_server $serv, $fd, $from_id, $data)
{
    //var_dump($serv->connection_info($fd));
    $serv->send($fd, 'Swoole: ' . $data, $from_id);
}
$serv->on('Start', 'my_onStart');
$serv->on('Receive', 'my_onReceive');
$serv->start();
                       

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