# 进程线程通信

* **[系统定义的公共事件](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/commoneventmanager-definitions)**   
* **[@ohos.commonEventManager (公共事件模块)](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/js-apis-commoneventmanager)**   
* **[@ohos.events.emitter (Emitter)](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/js-apis-emitter)**   
* **[commonEvent](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/commonevent)**