1 files changed, 0 insertions, 48 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/net/netutil/listen.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/net/netutil/listen.go
deleted file mode 100644
index 56f43bf65..000000000
--- a/vendor/github.com/miekg/dns/vendor/golang.org/x/net/netutil/listen.go
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package netutil provides network utility functions, complementing the more
-// common ones in the net package.
-package netutil // import "golang.org/x/net/netutil"
-
-import (
-	"net"
-	"sync"
-)
-
-// LimitListener returns a Listener that accepts at most n simultaneous
-// connections from the provided Listener.
-func LimitListener(l net.Listener, n int) net.Listener {
-	return &limitListener{l, make(chan struct{}, n)}
-}
-
-type limitListener struct {
-	net.Listener
-	sem chan struct{}
-}
-
-func (l *limitListener) acquire() { l.sem <- struct{}{} }
-func (l *limitListener) release() { <-l.sem }
-
-func (l *limitListener) Accept() (net.Conn, error) {
-	l.acquire()
-	c, err := l.Listener.Accept()
-	if err != nil {
-		l.release()
-		return nil, err
-	}
-	return &limitListenerConn{Conn: c, release: l.release}, nil
-}
-
-type limitListenerConn struct {
-	net.Conn
-	releaseOnce sync.Once
-	release     func()
-}
-
-func (l *limitListenerConn) Close() error {
-	err := l.Conn.Close()
-	l.releaseOnce.Do(l.release)
-	return err
-}