method MessagePort.prototype.unref
Jump to headingMessagePort.prototype.unref(): void
Calling unref()
on a port allows the thread to exit if this is the only
active handle in the event system. If the port is already unref()
ed calling unref()
again has no effect.
If listeners are attached or removed using .on('message')
, the port is ref()
ed and unref()
ed automatically depending on whether
listeners for the event exist.
Return Type Jump to heading
void