Copyright 2009 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.
+build darwin dragonfly freebsd netbsd openbsd

package net

import (
	
	
)

func () int {
	var (
		   uint32
		 error
	)
	switch runtime.GOOS {
	case "darwin", "ios":
		,  = syscall.SysctlUint32("kern.ipc.somaxconn")
	case "freebsd":
		,  = syscall.SysctlUint32("kern.ipc.soacceptqueue")
NOTE: NetBSD has no somaxconn-like kernel state so far
	case "openbsd":
		,  = syscall.SysctlUint32("kern.somaxconn")
	}
	if  == 0 ||  != nil {
		return syscall.SOMAXCONN
FreeBSD stores the backlog in a uint16, as does Linux. Assume the other BSDs do too. Truncate number to avoid wrapping. See issue 5030.
	if  > 1<<16-1 {
		 = 1<<16 - 1
	}
	return int()