侦听器端口线程使用的会话将在完成消息处理(执行或回滚)后释放。
Sessions used by the listener port thread will be released after they have processed a message (it commits or rolls back).
使用它通知对象管理器会话范围已经结束(或即将结束)，应该释放对应的对象。
Use it to notify object managers that a session scope has ended (or is about to end) and to release the corresponding objects.
在vi的编辑会话期间，更改了该inode中的某些属性，当您完成操作并键入：wq时，将关闭并释放该inode。
Some attributes are changed during the edit session of vi, and when you have finished and typed: wq, the inode is closed and released.
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