refactor: stop passing file descriptors around and use net.Listen

Changelog: changed

1 files changed, 0 insertions, 27 deletions

diff --git a/helpers.go b/helpers.go
index aaa6f3e6..00d6d55b 100644
--- a/helpers.go
+++ b/helpers.go
@@ -1,36 +1,9 @@
 package main
 
 import (
-	"net"
-	"os"
-
 	"gitlab.com/gitlab-org/labkit/errortracking"
 )
 
-// Be careful: if you let either of the return values get garbage
-// collected by Go they will be closed automatically.
-func createSocket(addr string) (net.Listener, *os.File) {
-	l, err := net.Listen("tcp", addr)
-	if err != nil {
-		fatal(err, "could not create socket")
-	}
-
-	return l, fileForListener(l)
-}
-
-func fileForListener(l net.Listener) *os.File {
-	type filer interface {
-		File() (*os.File, error)
-	}
-
-	f, err := l.(filer).File()
-	if err != nil {
-		fatal(err, "could not find file for listener")
-	}
-
-	return f
-}
-
 func capturingFatal(err error, fields ...errortracking.CaptureOption) {
 	fields = append(fields, errortracking.WithStackTrace())
 	errortracking.Capture(err, fields...)