另一种常见的方法是使用信号属性。

Another common way is using signal attribute.

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这个方法允许您设置互斥信号量对象的相关属性。

This method allows you to set mutex object attributes.

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虽然这道强烈的信号从来没有被验明正身，但天文学家发现它在许多属性上更像是我们的世界中的，最终来源地可能是地球。

Although this strong signal was never positively identified, astronomers have identified in it many attributes characteristic of a more mundane and ultimately terrestrial origin.

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