经修改的操作系统通过泛虚拟的hypervisor所支持的“超级调用（hypercalls）”直接与硬件打交道。

Modified operating systems use the "hypercalls" supported by the paravirtualized hypervisor to interface directly with the hardware.

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调用进程的有效用户ID必须是超级用户，或者可以与该信号量集的创建者或所有者匹配的用户。

The effective user ID of the calling process must be that of the super-user or match the creator or owner of the semaphore set.

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在我们希望允许类继承类型参数时立即出现的紧迫问题是要决定我们能调用什么样的超级构造函数？

An immediate and pressing problem that arises as soon as we want to allow for classes that extend a type parameter is to decide what super-constructors are we able to call?

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