In the previous section, you configured a shared work path and set up an MI queue manager, so you can move on to third step.
在上一节中，您配置了一个共享工作路径并设置了一个 MI 队列管理器，因此您可以继续第三步。
Similar to the case for a Shared memory object, a message queue that is opened only for reading will have the open_only attribute passed in the constructor.
与共享内存对象相似，对于以只读方式打开消息队列，应该把open_only属性传递给构造函数。
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