golang sock_plan9 代码
文件路径：/src/net/sock_plan9.go
// 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 net
func maxListenerBacklog() int {
// /sys/include/ape/sys/socket.h:/SOMAXCONN
return 5
}