If the interrupt simulation status flag is set, return EBUSY.
如果设置了中断模拟状态标志，它就会返回EBUSY。
This scenario arises when interrupt simulation is already in progress.
当中断模拟早已运行时，就会出现这种情况。
Iteration_count is the count to control the number of iteration of interrupt simulation.
iteration_count是控制中断模拟循环次数的计数器。
Set the interrupt simulation status flag to indicate that interrupt simulation is in progress.
设置中断模拟状态标志，通知中断模拟正在运行。
Once the interrupts are generated, reset the interrupt simulation status flag and return success.
中断生成之后，就重新设置中断模拟状态标志，并返回成功。
The three main strategies I would use for interrupt and hardware simulation are.
我们对中断和硬件模拟使用了三种主要的策略。
The three main strategies I would use for interrupt and hardware simulation are.
我们对中断和硬件模拟使用了三种主要的策略。
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