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What does the __thread keyword do.

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I am looking at some inherited code with variable definitions that use the __thread keyword.  I cannot find any documentation reference.  (It does't help that many search engines want to drop the leading underscores.)  LabWindows/CVI color codes it as a keyword.

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Accepted by topic author ZeaflaL

maybe this helps

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I am going to guess you are correct.  Thanks.

 

The application is single threaded but uses multiple dlls.  I am going to guess the original implementers didn't know the difference.

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