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x/sys/unix: SO_REUSEPORT undefined on linux/386 and linux/amd64 #16075

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tummychow opened this issue Jun 15, 2016 · 2 comments
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x/sys/unix: SO_REUSEPORT undefined on linux/386 and linux/amd64 #16075

tummychow opened this issue Jun 15, 2016 · 2 comments
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@tummychow
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Please answer these questions before submitting your issue. Thanks!

  1. What version of Go are you using (go version)?
$ go version
go version go1.6.1 linux/amd64
  1. What operating system and processor architecture are you using (go env)?
$ go env
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/sjung/go"
GORACE=""
GOROOT="/usr/local/go"
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GO15VENDOREXPERIMENT="1"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0"
CXX="g++"
CGO_ENABLED="1"
  1. What did you do?
    If possible, provide a recipe for reproducing the error.
    A complete runnable program is good.
    A link on play.golang.org is best.
$ cat soreuseport.go
package main

import (
    "fmt"

    "golang.org/x/sys/unix"
)

func main() {
    fmt.Println(unix.SO_REUSEPORT)
}
$ go run soreuseport.go
  1. What did you expect to see?

A number, on this architecture it would be 15 (0xf). For example, on darwin/amd64:

$ go run soreuseport.go
512
  1. What did you see instead?
$ go run soreuseport.go
# command-line-arguments
./soreuseport.go:10: undefined: unix.SO_REUSEPORT

See also: https://github.com/golang/sys/search?q=SO_REUSEPORT+path%3Aunix
@quentinmit quentinmit added this to the Unreleased milestone Jun 17, 2016
@tklauser
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Should be fixed by golang/sys@ea9bcade75cb9

@ianlancetaylor
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Works for me. I think you just need to update your golang.org/x/sys repo.

@golang golang locked and limited conversation to collaborators Jun 23, 2018
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@quentinmit @tklauser @ianlancetaylor @tummychow @gopherbot