内核部分采用单线程设计，没有采用基于优先级的设计。
这些更改提供了完全抢占式内核、线程中断处理程序、高分辨率计时器、优先级继承和健壮的互斥锁（mutex）。
These changes provide a fully preemptible kernel, threaded interrupt handlers, high-resolution timers, priority inheritance, and robust mutexes.
本文对检查点技术开展了广泛深入的理论与技术研究，改进了基于线程的内核级检查点机制，加快了设置检查点的速度。
In this dissertation, we have conducted a sophisticated theoretical and technical study on checkpoint technology, and improved the thread-based kernel level checkpoint to speed up checkpointing.
本文对检查点技术开展了广泛深入的理论与技术研究，改进了基于线程的内核级检查点机制，加快了设置检查点的速度。
In this dissertation, we have conducted a sophisticated theoretical and technical study on checkpoint technology, and improved the thread-based kernel level checkpoint to speed up checkpointing.
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