swoole_process->read

�ӹܵ��ж�ȡ���ݡ�

int swoole_process->read(int $buffer_size=8192);

• $buffer_size�ǻ������Ĵ�С��Ĭ��Ϊ8192����󲻳���64K
• Ĭ��read����Ϊ��ʽ�ģ�write/read�Ĵ�С����һ��
• ������ͬ��������ȡ�ģ�����ʹ��swoole_event_add���ܵ����뵽�¼�ѭ���У���Ϊ�첽ģʽ

ʾ����

function callback_function_async(swoole_process $worker)
{
    $GLOBALS['worker'] = $worker;
    swoole_event_add($worker->pipe, function($pipe) {
        $worker = $GLOBALS['worker'];
        $recv = $worker->read();
        echo "From Master: $recv\n";
        //send data to master
        $worker->write("hello master\n");
        sleep(2);
        $worker->exit(0);
    });
}