事件:'disconnect'
¥Event: 'disconnect'
如果 Node.js 进程是使用 IPC 通道生成的(请参阅 子进程 和 集群 文档),则当 IPC 通道关闭时将触发 'disconnect'
事件。
¥If the Node.js process is spawned with an IPC channel (see the Child Process
and Cluster documentation), the 'disconnect'
event will be emitted when
the IPC channel is closed.