(PECL ev >= 0.2.0)
EvLoop::invokePending — Invoke all pending watchers while resetting their pending state
Invoke all pending watchers while resetting their pending state.
锟剿猴拷锟斤拷没锟叫诧拷锟斤拷锟斤拷
没锟叫凤拷锟斤拷值锟斤拷