Linux Sockets - Doubt

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Why use these functions with socket implementations and what they serve?

select()
FD_SET()
FD_CLR()
FD_ZERO()
c
  • 1

    Your question was for in the analysis queue of "low quality posts" and flagged for closure... Can give a little more context?

  • Hello, follow the tip of brasofilo and tell us where these functions are from. Apparently they’re not from a standard library, or at least not very well known. Enjoy and take a [tour] and check out the guide [Ask] to get the most out of the community.

  • On the website: Handle Multiple socket Connections with fd_set and select on Linux, has an example using select to handle multiple connections on Linux. And this link A Scalable client/server using select() socket Function has an example of using Windows. For Windows, the documentation of MSDN also worth it. (links in English).

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