核心编程第5版本  8.3节

代码：

volatile BOOL g_fFinishedCalculation = FALSE
主线程
{
创建子线程
while(!g_fFinishedCalculation);

}

子线程代码：
{
g_fFinishedCalculation = TRUE;
}

作者在 代码这里有一段文字：

Another problem with the polling method used in the previous code fragment is that the BOOL variable g_fFinishedCalculation might never be set to TRUE. This can happen if the primary thread has a higher priority than the thread executing the RecalcFunc function. In this case, the system never assigns any time slices to the RecalcFunc thread, which never executes the statement that sets g_fFinishedCalculation to TRUE. If the thread executing the _tWinMain function is put to sleep instead of polling, it is not scheduled time and the system can schedule time to lower-priority threads, such as the RecalcFunc thread, allowing them to execute.

问题： 为什么优先级会导致 子线程 没有执行机会 ?

xp单核 系统上 做个实验， 发现 子线程是有机会执行的。

难道作者错了不成？

还有windows核心编程 上，提到过 动态提升线程优先级。

很明显，子线程会被动态提升到15.  自然会打破优先级逆转的问题。
所以子线程是有机会执行。

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