Visual Studio allows instructs to clear the processors interrupt flag via _disable or _enable (see link). When, it is recommended to use such tools. Especally, in view of performance. https://msdn.microsoft.com/en-us/library/tzkfha43.aspx
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1I'm not a kernel mode driver developer. What is kernel mode? – user1235183 Oct 06 '15 at 08:32
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5Missing a minimal understanding of the problem – sehe Oct 06 '15 at 08:36
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_disable()
and _enable()
are used, respectively, to disable and enable interrupts.
Read more about interrupts here.
If you're a C++ beginner, you probably don't need this, except if your goal is to write an operating system kernel.

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