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Editorial Team
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Asked: 2026-05-16T20:07:08+00:00

Right now i’m writing an iPhone app that will interact with a network, and

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Right now i’m writing an iPhone app that will interact with a network, and i plan to use a non-blocking berkley sockets so i can a full control about connect(), accept() and recv() timings. The one queston i’m not sure yet is how to correctly shut down lenghly connect() and recv() opertions (that can be minutes long). In UNIX, this is done by creating a pipe and using it, alongside with sockets, in select() request. Writing something in a pipe will immediately abort select() so i can check for shutdown etc. But is it possible to use pipes on iPhone and is it possible to use them with select()? Any insight or comment is welcomed.

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  1. Editorial Team

    Yes this is totally possible. The iPhone basically runs the same OS as OS X and has most if not all the standard facilities like sockets and pipes.

    If you are familiar with those, then use them.

    An alternative would be the CFNetwork API, specifically CFSocket. These integrate a little better in an iOS app and also provide nice asynchronous socket operations. You can use CFTimer next to your sockets to keep an eye on timeouts and then cancel socket operations that take too long.

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