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.
设计以若干（种）使用RTOS特殊消息队列、消息发送及计时器中断的实时操作系统为基准。
The design or a subset of it was implemented under several different Real Time Operating systems using RTOS specific message queues, semaphores and a timer interrupt.
其内部主要由DMA控制器(82c37)、中断控制器(82c59)、可编程间隔计时器(82c54)，DRAM刷新控制器，等待状态产生器，系统重置电路组成。
It is mainly composed of DMA controller (82c37), interrupt controller (82c59), programmable interval timers (82c54), DRAM refresh control, wait state generator and system reset logic.
无计时器嘀嗒信号中断。
如果其中一个无活动计时器引发，就会中断连线。
If either of these inactivity timers goes off, then the connection is dropped.
在图中，限制计时器设定为180秒，因此对一个原本中断而现在恢复的路由更新可能停留在限制状态内直到经过180秒。
In Figure, the holddown timer is set to 180 seconds. Therefore, an update to a route that was down and is now up could stay in the holddown state until the full 180 seconds have passed.
在图中，限制计时器设定为180秒，因此对一个原本中断而现在恢复的路由更新可能停留在限制状态内直到经过180秒。
In Figure, the holddown timer is set to 180 seconds. Therefore, an update to a route that was down and is now up could stay in the holddown state until the full 180 seconds have passed.
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