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      Node.js domain 隐式的绑定

      Node.js domain 隐式的绑定

      If domains are in use, then all new EventEmitter objects (including Stream objects, requests, responses, etc.) will be implicitly bound to the active domain at the time of their creation.

      Additionally, callbacks passed to lowlevel event loop requests (such as to fs.open(), or other callback-taking methods) will automatically be bound to the active domain. If they throw, then the domain will catch the error.

      In order to prevent excessive memory usage, Domain objects themselves are not implicitly added as children of the active domain. If they were, then it would be too easy to prevent request and response objects from being properly garbage collected.

      To nest Domain objects as children of a parent Domain they must be explicitly added.

      Implicit binding routes thrown errors and ‘error’ events to the Domain’s ‘error’ event, but does not register the EventEmitter on the Domain. Implicit binding only takes care of thrown errors and ‘error’ events.


      更多内容请参考:Node.js domain,或者通过 点击对应菜单 进行查看;


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