(PHP 4 >= 4.3.9, PHP 5 <= 5.0.5, PECL mcve:1.0.0-5.2.2)
m_monitor — Perform communication with MCVE (send/receive data) Non-blocking
本函数暂无文档，仅有参数列表。
An MCVE_CONN resource returned by m_initengine().