This can be achieved by setting a global flag in the handler code and checking for the flag after completion of the critical part.

这可以通过在信号处理程序代码中设置一个全局标志并在完成关键部分的代码之后检查这个标志来实现。

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However, in other cases the presence of a rule violation in ones code can be a red flag that something can go seriously awry at runtime, even if the compiler lets it slip by.

然而，在其他情况下，代码中违反规则的表现可以是一个红色的标记，即使编译器让其通过，在运行时也会严重地出错。

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The code says the American flag is not to be used as decorative clothing.

美国国旗按规定是不能用来设计服装的？

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