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x/sys/unix: Select returns (int, error) on linux, but just error elsewhere #11703

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mdempsky opened this issue Jul 14, 2015 · 1 comment
Open

x/sys/unix: Select returns (int, error) on linux, but just error elsewhere #11703

mdempsky opened this issue Jul 14, 2015 · 1 comment
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compiler/runtime Issues related to the Go compiler and/or runtime.
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Unreleased

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@mdempsky
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Is this inconsistency intentional? Select is a POSIX function and has the same 'int' return value on all supported platforms where it's available, so it seems odd to only expose it on Linux.

(Motivation: I was trying to use github.com/jaracil/poll on OpenBSD, but ironically its Select-based fallback for non-Linux OSes is written assuming the Linux Select API.)
@mdempsky mdempsky mentioned this issue Jul 14, 2015
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@ianlancetaylor
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This does seem like a bug. We can't change the existing function in the syscall package. I don't know how we feel about changing it in x/sys/unix.

Maybe we need to add a new function to x/sys/unix. Perhaps SelectN. Then we can provide a consistent interface across all Unix OS's. But since syscall is frozen, I don't think we want to change it for this.

@ianlancetaylor ianlancetaylor changed the title syscall, x/sys/unix: Select returns (int, error) on linux, but just error elsewhere x/sys/unix: Select returns (int, error) on linux, but just error elsewhere Jul 14, 2015
@ianlancetaylor ianlancetaylor added this to the Unreleased milestone Jul 14, 2015
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Jul 7, 2022
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Labels
compiler/runtime Issues related to the Go compiler and/or runtime.
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Go Compiler / Runtime
Status: Triage Backlog
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Unreleased
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@mdempsky @ianlancetaylor @gopherbot