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What is a blocking function?

Asked 2011-09-13T19:12:32.467
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What is a blocking function or a blocking call?

This is a term I see again and again when referring to Node.js or realtime processing languages.

node.js asynchronous real-time terminology blocking
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A blocking call is one that doesn't allow processing to continue until it returns to the calling thread - this is also referred to as a synchronous call. Asynchronous on the other hand means that threads (and code) can execute at the same time (concurrently).

answered 2011-09-13T19:20:05.467

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