Use CE polling system for non-blocking I/O on Native#3087
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Co-authored-by: Lee Tibbert <lee.tibbert@gmail.com>
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Tests are passing locally on both Linux and macOS (will need to add this to CI going forward). Published |
This was referenced Dec 23, 2022
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TODO need to port this fix. |
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This PR adopts the new polling system APIs from typelevel/cats-effect#3314 to implement non-blocking TCP/unix sockets and stdin/stdout/stderr for Scala Native. This means that epollcat is no longer required: everything now works out of the box with
IOAppand the defaultIORuntime.Much of the code was cribbed from epollcat and fs2-io_uring (with thanks to @LeeTibbert). Some of it can be upstreamed to ip4s or even completely removed when we upgrade to Scala Native 0.5.
This PR is tangled up with the new uncancelable semantics in CE 3.5 so it will need #3063 to merge first. It also needs a Scala Native release with scala-native/scala-native#3015 which will also unblock
DatagramSocket.